instruction_seed stringlengths 38 11.4k | source stringclasses 1
value | embeddings listlengths 1.02k 1.02k | mean_positive_score float64 0.76 0.86 | mean_negative_score float64 0.7 0.81 | difference_score float64 0.04 0.08 |
|---|---|---|---|---|---|
Develop the following code:
import java.util.*;
import java.lang.*;
class Solution {
/**
Given a positive integer m, return a pair that includes the quantity of prime and composite
integers that are within the range (1, m), inclusive. The algorithm should have
a O(log m) time complexity and handle th... | codefeedback | [
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0.02469983510673046,
0.03703245520591736,
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-0.... | 0.822299 | 0.769502 | 0.052797 |
Generate a function that takes in an integer n as input and returns the sum of the first n positive even numbers, excluding multiples of 4. The function should have a time complexity of O(n) and a space complexity of O(1). | codefeedback | [
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0.048200592398643494,
0.03652387857437134,
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0.011971351690590382,
0.027536924928426743,
-0.029116207733750343,
-0.0... | 0.823669 | 0.769254 | 0.054416 |
Write an algorithm in JavaScript for finding all common elements between two given integer arrays, while excluding any duplicates. The output should be sorted in ascending order.
[1,3,5,5,7,9] and [2,4,5,7,8,9,9] | codefeedback | [
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0.030717283487319946,
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0.03478988632559776,
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0.022546930238604546,
-0.008457028307020664,
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-0.... | 0.819349 | 0.77304 | 0.046309 |
Given two input strings s and t, find the length of the longest common substring that starts and ends with the same character.
s = "abcde"
t = "acfgh" | codefeedback | [
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0.02152208611369133,
0.006065214052796364,
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-0... | 0.821715 | 0.771023 | 0.050692 |
Write a code function that will take two inputs: an array of integers and a target integer. The function should count the occurrence of the target integer in the array and if the count equals 0, return -1. The function should also handle invalid inputs such as the target not being an integer, or the array not being an ... | codefeedback | [
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0.012327025644481182,
0.013040721416473389,
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-0.0... | 0.829102 | 0.775791 | 0.053312 |
Create a function to find the kth largest element in a given array. The function should return the kth largest element. If the array does not have a kth largest element (i.e., k is larger than the length of the array), the function should return None.
arr = [5, 4, 2, 1, 3]
k = 2
#Additional Constraints#
- The function... | codefeedback | [
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0.010553866624832153,
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0.01933... | 0.837332 | 0.788921 | 0.048411 |
Given a number n, write a function that finds the sum of the first n odd numbers, excluding any number divisible by both 3 and 5. Additionally, the function should return the sum modulo 10^9+7. | codefeedback | [
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0.025787673890590668,
0.008421174250543118,
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-0.... | 0.823728 | 0.778632 | 0.045096 |
Given a list of integers, output the second largest distinct number. If there is no second largest distinct number, output -1.
Example:
Input: [9, 4, 57, 28, 24, 10]
Output: 28
Input: [9, 4, 4, 4, 4, 10]
Output: 9
Input: [1, 1, 1, 1, 1]
Output: -1
Input: [3, 6, 2, 9, 7]
Output: 7
Input: []
Output: -1
Input: [1]
O... | codefeedback | [
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You are given a 2D list representing a tic-tac-toe board. Each cell in the list can contain either 'X', 'O', or an empty space. Your task is to write a function that determines the winner of the game, if any. The winner is the player who has three of their marks in a horizontal, vertical, or diagonal row.
Create a fun... | codefeedback | [
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You are tasked with implementing a function that calculates the total number of unique ways to reach the top of a staircase. You can climb the staircase by either taking one step or two steps at a time. The function should take the number of steps in the staircase as input and return the total number of unique ways to ... | codefeedback | [
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You need to rearrange the characters in a given string such that no two same characters are adjacent to each other. The goal is to minimize the number of character swaps required to achieve this rearrangement. Implement a function that returns the minimum number of swaps needed, or -1 if it is impossible to rearrange t... | codefeedback | [
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... | 0.829927 | 0.782611 | 0.047316 |
Design and implement an advanced algorithm that utilizes optimization techniques such as memoization or dynamic programming for the efficient detection of prime numbers within a large set of integers. Your solution should address the following:
1. Isolate a given integer that qualifies as a prime number.
2. The algori... | codefeedback | [
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0... | 0.819109 | 0.777273 | 0.041836 |
Given an integer array, classify all the elements as even and odd. However, you are not allowed to use the modulus operator (%) or any other arithmetic operation to determine the parity of each element. You need to come up with a bitwise solution to solve this problem. The time complexity of your solution should be O(n... | codefeedback | [
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I have this problem : Number of Nodes in the Sub-Tree With the Same Label and the Maximum Depth of the Sub-Tree
Description are as below: Given a tree (i.e. a connected, undirected graph that has no cycles) consisting of `n` nodes numbered from `0` to `n - 1` and exactly `n - 1` `edges`. The root of the tree is the nod... | codefeedback | [
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0.03095436841249466,
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0.04370869696140289,
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0.04110276326537132,
0.01141967810690403,
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0.00... | 0.838029 | 0.785308 | 0.052721 |
Suggest a solution to make the following code work correctly.
```
def count_sum(arr):
'''This function adds all elements in ``arr`` and returns the total sum.'''
sum = 0
for n in arr:
sum += n
return sum
```
# New Test #
## Problem Statement ##
Given a list of integers `arr`, find the sum of a... | codefeedback | [
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0.00338867399841547,
0.0057440344244241714,
0.005675137508660555,
-0.035616952925920486,
-... | 0.816316 | 0.766189 | 0.050127 |
Generate a program to filter a list of numbers, passing only the numbers that are greater than a given number, and store them in a new list. The program should also remove any duplicates from the resulting list.
Example:
Input: [12, 24, 36, 45], 36
Output: [45]
Time complexity: O(n)
Space complexity: O(n)
Note: The ... | codefeedback | [
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0.023711111396551132,
0.02754226326942444,
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-0.0262... | 0.820735 | 0.770944 | 0.049792 |
You are given a 2-D array named "matrix" and its size is MxN. Print the matrix in a clockwise spiral form, starting from the top-left corner. You must solve this problem with a time complexity of O(MxN) and without using any extra space.
Example:
int matrix[][] = {{1, 2, 3, 4},
{5, 6, 7, 8},
... | codefeedback | [
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0.02595486491918564,
0.017788264900445938,
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-0.02... | 0.839412 | 0.775122 | 0.06429 |
Write a code to compute the product of the odd elements in a given array of integers. If there are no odd elements, return 1.
arr = [2, 4, 6, 8, 9, 11] | codefeedback | [
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0.0025070065166801214,
0.011788193136453629,
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-0.037... | 0.817177 | 0.771879 | 0.045298 |
Create a function that takes as argument the number of elements and return a list containing the Fibonacci sequence up to that number.
n = 10 | codefeedback | [
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0.028179315850138664,
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0.03405926004052162,
0.06178809702396393,
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-0.0... | 0.8232 | 0.780653 | 0.042548 |
Generate a code to find the kth smallest prime number in an unsorted list of positive integers given three inputs (list, k and n).
list = [12, 3, 5, 7, 19]
k = 3
n = len(list)
In this version of the test, the code needs to identify the kth smallest prime number from the given list of positive integers. This requires ... | codefeedback | [
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0.029914770275354385,
0.016217058524489403,
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-0... | 0.819672 | 0.778456 | 0.041216 |
Generate a Python generator to produce a sequence of the first N numbers that are greater than or equal to 100 and less than or equal to 1000. The sequence should only include numbers that are divisible by both 5 and 7. | codefeedback | [
0.02442697435617447,
0.011064115911722183,
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0.0165723767131567,
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0.02946801669895649,
0.04402536153793335,
-0.052520327270030975,
0.002... | 0.810151 | 0.769191 | 0.040959 |
You are given a list of numbers. Create a function that returns a new list with duplicates removed. Additionally, the function should sort the numbers in ascending order before removing duplicates. The input list may contain both positive and negative numbers, and the output list should also be sorted in ascending orde... | codefeedback | [
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0.002696090377867222,
0.010809851810336113,
-0.048694416880607605,
-0.015... | 0.813586 | 0.761002 | 0.052584 |
Given a string, return the length of the longest run of consecutive uppercase letters. A run is defined as a sequence of consecutive uppercase letters. For example, in the string "AaaAbbCcDdd", the longest run is "AA" with a length of 2.
The time complexity of your solution should be O(n), where n is the length of the... | codefeedback | [
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0.01969974674284458,
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0.05487648397684097,
0.03263270854949951,
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0.01890028826892376,
0.017543593421578407,
-0.0074957190081477165,
-0.010... | 0.829602 | 0.769784 | 0.059818 |
Create a function in Java that takes a string and an integer n as input and prints all words in the string that have a length greater than or equal to n, contain at least one uppercase letter, and have the uppercase letter(s) located at even index(es). The function should also return the count of such words.
Example:
... | codefeedback | [
0.020946936681866646,
0.010773064568638802,
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0.025451110675930977,
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0.023916415870189667,
0.023535089567303658,
-0.03272895887494087,
... | 0.816065 | 0.774821 | 0.041244 |
Write a Python program to print the following diamond numeric pattern in reverse order.
4 3 2 1 2 3 4
3 2 1 2 3
2 1 2
1
2 1 2
3 2 1 2 3
4 3 2 1 2 3 4 | codefeedback | [
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0.053388696163892746,
0.03589078038930893,
0.006690233014523983,
0.03509163856506348,
0.030890075489878654,
-0.031940966844558716,
-0.0031... | 0.826184 | 0.78525 | 0.040934 |
<p>
Consider a sequence that begins with the integers $2, 3, \dots, n$.<br />
In each successive iteration, the smallest integer in the sequence is replaced by its square. If multiple smallest integers exist, only one undergoes this transformation.
</p>
<p>
As an illustration, the first three it... | codefeedback | [
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0.02101537398993969,
0.012795938178896904,
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-0.01... | 0.84047 | 0.783199 | 0.057271 |
Develop an algorithm that discovers the greatest quantity of elements within a given array, ensuring that all possible subarrays produce a cumulative value equivalent to a pre-determined number.
arr = [1, 2, 3, 4, 5, 6, 7] | codefeedback | [
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0.030380869284272194,
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0.05153254419565201,
0.0168085228651762,
-0.03391508758068085,
0.017366115003824234,
0.027383645996451378,
-0.039199747145175934,
0.0002... | 0.839642 | 0.784799 | 0.054844 |
Output the items in a list with the length less than or equal to the given number, in descending order, without using any built-in sorting functions, and with a time complexity of O(nlogn) or better.
list_items = [1, 2, 3, 4, 5]
given_number = 3 | codefeedback | [
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0.049761414527893066,
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0.05548160523176193,
0.024015987291932106,
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0.025956060737371445,
0.03648769110441208,
-0.04013795405626297,
0.0... | 0.833561 | 0.790503 | 0.043058 |
Sort an array of integers using a modified version of heapsort algorithm, with the additional requirement of implementing the heapsort algorithm using a min-heap data structure. The input array may contain duplicates and have a length of at least 10. Additionally, the time complexity of the algorithm should be O(n log ... | codefeedback | [
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0.015122270211577415,
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0.0336153581738472,
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0.07642337679862976,
0.012175383046269417,
-0.02734185755252838,
0.008344996720552444,
-0.004816423635929823,
-0.031096193939447403,
-... | 0.806205 | 0.759104 | 0.047101 |
Implement a function in C++ that takes two strings as parameters and returns the length of the longest common subsequence between the two. Additionally, you should implement an algorithm with a time complexity of O(n^2) or better.
A subsequence of a string is obtained by deleting some characters from the original stri... | codefeedback | [
0.00867368932813406,
0.014851483516395092,
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0.02444460615515709,
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0.10299191623926163,
0.03083479218184948,
-0.02205815538764,
0.016786668449640274,
0.0168733149766922,
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0.0005084... | 0.823623 | 0.775701 | 0.047922 |
Given a list of integers, find the longest common substring of the list, considering the numbers in the list as characters. The substring should consist of consecutive integers in the list, and the characters in the substring should be in strictly increasing order. If there are multiple substrings that meet this criter... | codefeedback | [
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Utilizing the provided array, devise a function that accepts three parameters— two arrays and an integer k. Array1 contains distinct integers, while Array2 is an array obtained by shuffling the numbers in Array1 and deleting one number. The function should find and return the missing number within Array2 by using an al... | codefeedback | [
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I have this problem : Maximum Number of Points Inside of a Square Grid
Description are as below: You have a very large square wall and a square grid placed on the wall. You have been challenged to throw darts into the grid blindfolded. Darts thrown at the wall are represented as an array of `points` on a 2D plane.
Ret... | codefeedback | [
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Given an unsorted array of integers, sort it using the quick sort algorithm. The array will contain both positive and negative numbers. The output should be in ascending order. If there are duplicate numbers, they should be placed next to each other in the sorted array. Implement the quick sort algorithm from scratch w... | codefeedback | [
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Given a list of integers, perform the following operations:
1. Subtract the first number from the second number.
2. Multiply the third number by the fourth number.
3. Add the result of step 2 to the fifth number.
4. Calculate the factorial of the sixth number.
5. Divide the factorial by the seventh number.
Return the... | codefeedback | [
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Identify the number of unique data elements in a doubly circular linked list without traversal.
head: 1 <=> 2 <=> 3 <=> 4 <=> 5 <=> 1 | codefeedback | [
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Given an array of integers and an integer k, write a program to find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the absolute difference between i and j is at most k. The array will have at most 10^6 elements and all elements will be between -10^6 and 10^6. Additional... | codefeedback | [
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Create an array of size n (where n is a large number) that contains a random combination of integers from 1 to 10^6. Additionally, ensure that the array does not contain any duplicate numbers. Sort the array in ascending order and then remove all numbers that are not prime from the array. Finally, calculate the sum of ... | codefeedback | [
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0.02073144167661667,
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Find the longest substring containing only consecutive digits from within the given string. The substring must contain at least k digits, where k is a parameter provided to the function. Additionally, the substring must be in non-decreasing order of digits. | codefeedback | [
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0.02588307298719883,
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0.02236499823629856,
0.01657039299607277,
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0.012... | 0.834294 | 0.790467 | 0.043827 |
Sort an array of positive integers in ascending order without using any built-in sorting methods or functions. The array should contain at least 100 elements and each element should be between 1 and 1000 (inclusive). Additionally, you are not allowed to use any extra space or create any additional arrays or data struct... | codefeedback | [
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Using the given array, create a function that takes in two arguments, the array and a number, and returns the position of the number in the array. The function should have a time complexity of O(log n) or better, where n is the length of the array. Additionally, the function should use a recursive binary search algorit... | codefeedback | [
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Generate a list of integers between a given start and end value, inclusive. The start and end values can be negative, and the range can be large (up to 10^9). The resulting list should be sorted in descending order. Additionally, the list should not contain any duplicate values. The time complexity of the solution shou... | codefeedback | [
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Given a set of words, create a function that finds the longest palindromic word that can be formed using only the letters in the given set. The set of letters can include upper and lowercase alphabetical letters and digits. The function should only work for such inputs. | codefeedback | [
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Write a Python program to find all pairs of numbers in the given list whose sum is equal to the given number. The list may contain duplicate elements. Each pair should be unique and should not include the same element twice. Return the pairs in ascending order based on the first element of each pair.
Additionally, if ... | codefeedback | [
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You are tasked with implementing a binary search algorithm to find a specific element within a sorted array. The binary search algorithm works by repeatedly dividing in half the portion of the array that could contain the item, until the possible locations are narrowed down to just one. The algorithm compares the middl... | codefeedback | [
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0.00... | 0.810198 | 0.762974 | 0.047224 |
Formulate an algorithm in C++ to find the maximum and minimum elements in an unsorted array. Additionally, find the second largest and second smallest elements in the array without sorting it. Keep the time complexity of your solution to O(n).
arr = {1, 7, 4, 2, 9, 6, 5} | codefeedback | [
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You are tasked with implementing a Java method that finds the odd one out in a given array of integers. The odd one out is the integer that appears an odd number of times in the array, while all other integers appear an even number of times. If there are multiple integers that fit this criteria, the method should retur... | codefeedback | [
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Given a list of non-negative integers and a target, write an algorithm to determine if the list contains a subset that sums up to the target. The list may contain duplicate numbers.
You should aim to solve this problem with a time complexity of O(2^n) and a space complexity of O(n).
#Rewritten Test#
Given a list of ... | codefeedback | [
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0.016975287348031998,
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Generate a Java solution that determines the longest increasing sequence of numbers in a two-dimensional array. The sequence can be formed by moving either horizontally, vertically, or diagonally. The numbers in the sequence must be in increasing order, but they do not have to be consecutive. For example, in the follow... | codefeedback | [
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0.023025624454021454,
0.01981692761182785,
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0.0168... | 0.81405 | 0.742661 | 0.071389 |
Write a script for finding the largest number in the given array and its corresponding index. If multiple numbers have the same maximum value, return the index of the first occurrence. The script should have a time complexity of O(n) and use only a single loop to iterate through the array. The script should not use any... | codefeedback | [
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0.030181026086211205,
0.00841848086565733,
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0.0013... | 0.832193 | 0.789504 | 0.042689 |
<p>Consider $N$ and $K$ as two positive integers.</p>
<p>The Fibonacci sequence is defined as $F_n$ where $F_1 = F_2 = 1$, and $F_n = F_{n - 1} + F_{n - 2}$ for all $n \geq 3$. Now, let's define $s_n = F_{2n - 1} \bmod N$ and $t_n = F_{2n} \bmod N$.</p>
<p>Imagine an array of integers $A... | codefeedback | [
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Access the data present in the given dictionary and calculate the sum of the ages of all the people whose names start with the letter 'J'. Only consider people who are above 18 years old and have an odd age. The dictionary will have the following structure:
dictionary = {
'name': ['John', 'Jane', 'Jake', 'Jared', 'Ji... | codefeedback | [
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... | 0.781078 | 0.73498 | 0.046098 |
Write a code to identify palindromic numbers between 1 and a given number n, where n can be up to 1 billion.
Additional Requirements:
1. Implement the solution without using any built-in functions or libraries to check for palindromic numbers.
2. Optimize the solution to have a time complexity of O(n log n).
3. Ensure... | codefeedback | [
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... | 0.835675 | 0.789021 | 0.046654 |
Develop a Java-based solution that not only determines the paramount numerical value present within not just one, but multiple arrays of integers, but also returns the array that includes the overall paramount value. Assume that the arrays contain no duplicate values.
For instance, given the following arrays:
int[] a... | codefeedback | [
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0.... | 0.826769 | 0.779006 | 0.047764 |
Write a function that takes two strings and returns the total number of non-overlapping occurrences of the second string in the first.
For example, given the strings:
string1 = "hello world"
string2 = "world"
The function should return 1, since the second string "world" appears once in the first string "hello world".... | codefeedback | [
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0.009335328824818134,
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-... | 0.836681 | 0.791366 | 0.045315 |
Create a list of numbers in the range [0, 200) that are divisible by both 4 and 7, and print the sum of the elements in the list. | codefeedback | [
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0.047637175768613815,
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-0.... | 0.813059 | 0.772228 | 0.040831 |
Write a function to flatten a given array of lists, but only include the elements that are divisible by both 2 and 3. Additionally, sort the elements in ascending order before returning the final result.
[[1,2], [3,4], [5,6], [7,8], [9,10]] | codefeedback | [
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You need to find the largest subset of an array that sums up to a given value. The array may contain negative numbers and the target value can be negative as well. Additionally, the array can contain duplicates and the target value can be a floating-point number. You need to return the subset in descending order based ... | codefeedback | [
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0.... | 0.832551 | 0.765906 | 0.066645 |
<p>The rotating game is a two player game played on a $N$ by $N$ square board.<br>
Each square contains a disk with one side red and one side blue.<br>
The game starts with all disks showing their red side.</p>
<p>A turn consists of rotating all disks in a rectangle with the following pro... | codefeedback | [
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-... | 0.818069 | 0.775113 | 0.042956 |
Considering a set of integral numbers, utilize computational methodology in delineating the length of the longest subsequence that manifests a continual growth pattern within the given set.
Array = [2, 3, 5, 4, 7, 9, 6, 8] | codefeedback | [
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0.0... | 0.834791 | 0.775277 | 0.059514 |
Construct a JavaScript code to traverse a multi-dimensional numerical array. Your task is not just to perform cumulative addition, but also to separately calculate and provide the aggregate total of even and odd numerical elements within it. During this operation, also identify any repeating elements within the array a... | codefeedback | [
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Given an integer, calculate the sum of the first n prime numbers, where n is the given integer.
Example:
num = 10
The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29.
Therefore, the sum of these prime numbers is 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 = 129. | codefeedback | [
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Given a list of integers, instead of removing negative numbers, replace each negative number with the sum of the squares of the next two positive numbers found in the list after the negative number. If there are not enough positive numbers after a negative number, remove it.
For example, given the list: [-2,-3,4,5,-6,... | codefeedback | [
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<p>Imagine all possible permutations of the set $\{1, 2, \ldots N\}$, arranged in ascending lexicographic order.<br>For instance, when $N=4$, the sequence initiates as follows:</p>
<div>
$$\displaylines{
(1, 2, 3, 4) \\
(1, 2, 4, 3) \\
(1, 3, 2, 4) \\
(1, 3, 4, 2) \\
(1, 4, 2, 3) \\
(1, 4, 3, 2)... | codefeedback | [
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Write a code to find the maximum length of the longest consecutive increasing subsequence in the given array, where the subsequence must include both odd and even numbers. The array may contain duplicate numbers.
arr = [2, 3, 1, 10, 5, 6, 8, 7, 4, 9, 2, 10, 12, 11, 15, 16, 14, 13]
In addition to finding the maximum le... | codefeedback | [
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I am grappling with a mathematical concept known as the Perfect Number. To elaborate, a perfect number is defined as a positive integer that is the exact equivalent of the sum of its positive divisors, with the exception of the number itself. In this context, a divisor of an integer `x` is an integer that can divide `x... | codefeedback | [
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Consider the unending polynomial series $A_F(x) = x F_1 + x^2 F_2 + x^3 F_3 + \dots$, where $F_k$ signifies the $k$th term in the Fibonacci sequence: $1, 1, 2, 3, 5, 8, \dots$; that is, $F_k = F_{k-1} + F_{k-2}$, $F_1 = 1$ and $F_2 = 1$.
Our focus for this problem will be on those values of $x$ for which $A_F(x)$ is a ... | codefeedback | [
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Formulate an algorithm that helps you arrange a given set of numbers in ascending order, but the algorithm should not use any built-in sorting functions or methods. The solution should be implemented using only basic programming constructs and algorithms. Additionally, the algorithm should have a time complexity of O(n... | codefeedback | [
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Given a string s, write a Python function that returns the length of the longest palindromic substring within the given string.
Example:
s = "abcbabcd"
Output: 4
In this example, the longest palindromic substring is "abcd", which has a length of 4. | codefeedback | [
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Develop a Python function that yields an array composed of adjacent numbers (both horizontally and vertically) when provided with a two-dimensional array input. For example, with the following input:
[[1, 2, 3],
[4, 5, 6],
[7, 8, 9]] | codefeedback | [
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I have this problem : Frog Jump
Description are as below: A frog is crossing a river. The river is divided into some number of units, and at each unit, there may or may not exist a stone. The frog can jump on a stone, but it must not jump into the water.
Given a list of `stones`' positions (in units) in sorted ascendi... | codefeedback | [
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I have this problem : Find Largest Value in Each Tree Row
Description are as below: Given the `root` of a binary tree, return an array of the largest value in each row of the tree (0-indexed). Additionally, return the sum of these largest values.
Example 1:
Input: root = [1,3,2,5,3,null,9]
Output: [1,3,9], 13
Example... | codefeedback | [
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Given two strings, create a function to find the total number of occurrences of the second string in the first string. The function should also account for overlapping occurrences. Additionally, the function should only count non-overlapping occurrences that are surrounded by a specific character.
For example, if the ... | codefeedback | [
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Let $p_k$, $q_k$, and $r_k$ represent the three solutions (real or complex numbers) to the equation
$\frac 1 y = (\frac k y)^3(k+y^3)-k y$.
For instance, for $k=3$, we see that $\{p_3, q_3, r_3 \}$ is approximately $\{3.827244, -0.413622+2.157397i, -0.413622-2.157397i\}$.
Let $\displaystyle T(n) = \sum_{p=1}^n\sum_{k=1... | codefeedback | [
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Create a recursive function in Java that prints out each index in the array A from 0 to the length of A minus 1. The function should use only constant space complexity and have a time complexity of O(n), where n is the length of the array A.
int[] A = {1, 2, 3, 4, 5} | codefeedback | [
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Compute a compilation of all prime numerals within the numerical range of 50 and 70. | codefeedback | [
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You are tasked with implementing a function that checks if a given string is a palindrome. A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward, disregarding spaces, punctuation, and capitalization.
You are given the following code snippet as a starting point... | codefeedback | [
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You are presented with a challenge titled: "Exploration in a Rotated, Non-decreasing Integer Array II". The task involves an integer array `nums` that is sorted in a non-decreasing manner, but not necessarily with unique values.
This array `nums` undergoes a rotation at an undisclosed pivot index `k` (`0 &lt;= k &... | codefeedback | [
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Construct a context-free grammar (CFG) to describe the given language.
The language {anbmcn | n, m ≥ 1}, where each 'a' is followed by 'b' and then 'c', and the number of 'a's is equal to the number of 'b's which is equal to the number of 'c's. The CFG should also include the rule that the number of 'a's is greater tha... | codefeedback | [
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Find the maximum of the following array and its index. Additionally, remove any duplicate elements from the array before finding the maximum. Handle any errors that may occur during the process.
Example input: [4,1,7,9,3,7,9,2,2,5]
Example output: The maximum element is 9 at index 3. | codefeedback | [
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Create a program to generate all subsets of a set, where each subset must contain at least one element from the original set.
input_set = {1, 2, 3}
#Difficulty Increase Methods:
1. Increase the size of the input_set to include more elements.
2. Add constraints to the subsets, such as each subset must have a maximum si... | codefeedback | [
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Given an input data that can be a combination of alphabets, numbers, and special characters, identify the type of each element in the data. Return a list of the types of elements in the same order as the original data.
For example, given the input data ["A", "B", "C", 1, 2, "!", "@"], the expected output would be ["al... | codefeedback | [
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You are given a list of numbers, write a program to calculate the mode. The mode is the number(s) that appear(s) most frequently in the list. If multiple numbers have the same highest frequency, return all of them. The list may contain duplicate numbers. The program should handle negative numbers as well.
However, you... | codefeedback | [
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You are tasked with creating a C++ function that processes a list of strings and returns the count of strings that contain a specific substring. Your function should be able to handle cases where the substring appears multiple times within a single string.
Write a function `countSubstringOccurrences` that takes in the... | codefeedback | [
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Create a function that generates a list of prime numbers between 2 and n, where n is a positive integer greater than 2. The function should implement the Sieve of Eratosthenes algorithm to optimize the generation of prime numbers.
The function should return a dictionary that contains the prime numbers as keys and thei... | codefeedback | [
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Given an array of objects, sort them in descending order according to their age. If two objects have the same age, sort them in ascending order according to their name. However, the age should be sorted based on the number of vowels present in the name of the object, in descending order. If two objects have the same nu... | codefeedback | [
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You are given a 2D grid of size n x n, initially filled with the character '.'. Your task is to implement a function `f` that takes this grid as input and returns the number of valid paths from the top-left corner to the bottom-right corner. In this grid, you can only move right or down, and you cannot visit a cell mor... | codefeedback | [
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Generate a two-dimensional array of length n x m that contains the product of the numbers from 1 to n and 1 to m. You should consider the elements in the first column as the numbers from 1 to n and the elements in the first row as the numbers from 1 to m.
Sample:
n = 3
m = 3
Result array:
[[1, 2, 3],
[2, 4, 6],
[3... | codefeedback | [
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Create a while loop to iterate over the elements in the given list my_list, but only iterate until the sum of the elements encountered so far exceeds a certain threshold value. The threshold value should be the product of the previous two elements encountered in the iteration. If the sum exceeds the threshold, the loop... | codefeedback | [
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Devise a coding challenge that necessitates an optimized function for computing the Greatest Common Divisor (GCD) of an array of integers:
Craft a function 'array_gcd' that takes an array of integers as argument and delivers their Greatest Common Divisor through a efficient algorithm:
def array_gcd(arr: List[int]) ->... | codefeedback | [
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-0.011634461581707,
0.0037183... | 0.829751 | 0.787536 | 0.042215 |
<p>When examining $4$-digit prime numbers that incorporate recurring digits, it's evident that they can't all be identical: $1111$ is a multiple of $11$, $2222$ is a multiple of $22$, and so forth. However, there exist nine $4$-digit prime numbers that include three instances of the digit one:
$$1117, 1151, 1171,... | codefeedback | [
0.02105572260916233,
0.014847207814455032,
-0.027401484549045563,
-0.04240904003381729,
0.03497873619198799,
-0.03369468078017235,
-0.00537113519385457,
0.06264588981866837,
0.025460513308644295,
0.020487751811742783,
0.02489917352795601,
0.03142644464969635,
-0.03954064100980759,
-0.00372... | 0.813517 | 0.763068 | 0.050449 |
Write a function that takes a sentence and returns the string with all occurrences of the longest word removed. If there are multiple words with the same length as the longest word, remove all of them. If there are no words in the sentence, return an empty string.
Requirements:
- The function should have a time comple... | codefeedback | [
0.033049870282411575,
0.00852336548268795,
-0.016662124544382095,
-0.05329500883817673,
0.028309866786003113,
-0.03737888112664223,
-0.04478522017598152,
0.06122557818889618,
0.04041102156043053,
-0.02794971503317356,
0.015853289514780045,
0.007337251678109169,
-0.02960120514035225,
-0.019... | 0.804509 | 0.7635 | 0.04101 |
Increase the difficulty of the given programming test by imposing the following constraints:
1. Do not use any built-in Python functions or methods that directly reverse an array or list.
2. The time complexity should be O(n), where n is the length of the array.
3. The space complexity should be O(1), meaning no addit... | codefeedback | [
0.022768493741750717,
0.04545813798904419,
-0.024756254628300667,
-0.035852573812007904,
0.01958678849041462,
-0.021995622664690018,
-0.005034351255744696,
0.04626113176345825,
0.029645223170518875,
-0.03180435672402382,
0.008084607310593128,
0.019774049520492554,
-0.009444315917789936,
0.... | 0.823033 | 0.777571 | 0.045462 |
Determine the frequency of the palindromic substring in the given text.
text = "racecarlevelpopcivicradarrotornoonwow" | codefeedback | [
0.021940208971500397,
0.024365510791540146,
0.004739317111670971,
-0.032146770507097244,
0.029612885788083076,
-0.004876106046140194,
-0.004322006367146969,
0.04852945730090141,
0.0014451664173975587,
-0.0120485695078969,
0.005827771499752998,
0.01860036328434944,
-0.018443698063492775,
-0... | 0.812153 | 0.758708 | 0.053444 |
Write a Python program to find the group of three numbers in a list that has the greatest product. The list will contain both positive and negative integers, and may also contain zeroes. You may assume that the list will always have at least three elements.
In addition to the given requirements, implement the followin... | codefeedback | [
0.036278750747442245,
0.029216840863227844,
-0.0499330535531044,
-0.045252926647663116,
0.05733952671289444,
-0.01510196179151535,
-0.04554923251271248,
0.04167117178440094,
0.02142481692135334,
-0.01477682776749134,
0.015095354989171028,
0.045308761298656464,
-0.03629416599869728,
-0.0398... | 0.820292 | 0.772663 | 0.047629 |
<p>The smallest quantity of cubes required to envelop every visible facet on a rectangular prism with dimensions $3 \times 2 \times 1$ is twenty-two.</p>
<div class="center">
<img src="resources/images/0126.png?1678992052" class="dark_img" alt=""><br></di... | codefeedback | [
-0.0006972576375119388,
0.03695142641663551,
-0.028139177709817886,
-0.03741060942411423,
0.03890731558203697,
-0.03184286504983902,
-0.022436417639255524,
0.06850998848676682,
0.02041071280837059,
0.011424913071095943,
0.01976710371673107,
0.02813032828271389,
-0.023756051436066628,
-0.00... | 0.827487 | 0.783165 | 0.044322 |
I have this problem : Maximize the Beauty of the Garden
Description are as below: There is a garden of `n` flowers, and each flower has an integer beauty value. The flowers are arranged in a line. You are given an integer array `flowers` of size `n` and each `flowers[i]` represents the beauty of the `ith` flower.
A ga... | codefeedback | [
0.021586181595921516,
0.02618112415075302,
-0.03963807225227356,
-0.028209401294589043,
0.029554298147559166,
-0.04616527631878853,
-0.029815835878252983,
0.04452419653534889,
0.046277113258838654,
-0.013816801831126213,
0.0006191883003339171,
0.0360596738755703,
-0.021404020488262177,
0.0... | 0.832207 | 0.777253 | 0.054954 |
Generate an algorithm to solve this maze
Problem: Find the shortest path through a given maze. | codefeedback | [
0.02615075372159481,
0.010234370827674866,
-0.010457085445523262,
-0.026951318606734276,
0.03691590204834938,
-0.016307486221194267,
-0.03374207019805908,
0.03080184943974018,
0.04126053676009178,
-0.012904428876936436,
0.013622837141156197,
0.02405988797545433,
0.005730196833610535,
-0.01... | 0.792813 | 0.738283 | 0.05453 |
Convert a given decimal number into binary representation using Python.
Constraints:
- The decimal number is a positive integer.
- The decimal number is less than or equal to 10^9.
Example:
Input: 128
Output: 10000000 | codefeedback | [
0.020427796989679337,
0.02388579025864601,
-0.008958800695836544,
-0.02810513973236084,
0.027743035927414894,
-0.03957941755652428,
-0.01661265641450882,
0.04446901008486748,
0.03644938766956329,
-0.011625168845057487,
0.02487625926733017,
0.026651816442608833,
-0.030470553785562515,
-0.01... | 0.795586 | 0.750471 | 0.045116 |
Write a Java class that implements a binary search algorithm to search for a specific element in a sorted array of integers. The class should also include a method to sort the array in ascending order before performing the search. The class should be able to handle arrays with a maximum length of 10^6.
Additionally, t... | codefeedback | [
0.0005733006983064115,
0.03424642235040665,
-0.022717909887433052,
-0.013814698904752731,
0.018024401739239693,
-0.03790285065770149,
-0.038872770965099335,
0.04167049750685692,
0.017187103629112244,
-0.02671954408288002,
0.01746400073170662,
0.00009738859080243856,
-0.024123376235365868,
... | 0.814013 | 0.771711 | 0.042303 |
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