message stringlengths 2 59.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 37 108k | cluster float64 20 20 | __index_level_0__ int64 74 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,978 | 20 | 49,956 |
Yes | output | 1 | 24,978 | 20 | 49,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,979 | 20 | 49,958 |
Yes | output | 1 | 24,979 | 20 | 49,959 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,980 | 20 | 49,960 |
No | output | 1 | 24,980 | 20 | 49,961 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,981 | 20 | 49,962 |
No | output | 1 | 24,981 | 20 | 49,963 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,982 | 20 | 49,964 |
No | output | 1 | 24,982 | 20 | 49,965 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are luc... | instruction | 0 | 24,983 | 20 | 49,966 |
No | output | 1 | 24,983 | 20 | 49,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera is really greedy, he wants to complete the task ... | instruction | 0 | 25,039 | 20 | 50,078 |
Tags: dp, games, greedy, number theory
Correct Solution:
```
t = input()
j = t[0]
d, s = 0, int(j)
for i in t[1: ]:
if j != i:
if d == 1: d, s = 0, s + 1
else: d = 1
j = i
else: d = 1
print(s + (d and j == '1'))
``` | output | 1 | 25,039 | 20 | 50,079 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera is really greedy, he wants to complete the task ... | instruction | 0 | 25,040 | 20 | 50,080 |
Tags: dp, games, greedy, number theory
Correct Solution:
```
bin_num = input()
result = int(bin_num[0])
change = False
for i in range(1, len(bin_num)):
if bin_num[i - 1] != bin_num[i]:
if change:
change = False
result += 1
else: change = True
else: change = True
print... | output | 1 | 25,040 | 20 | 50,081 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera is really greedy, he wants to complete the task ... | instruction | 0 | 25,041 | 20 | 50,082 |
Tags: dp, games, greedy, number theory
Correct Solution:
```
from math import *
from collections import *
a = list(input())
a = a[::-1]
n = len(a)
ct = 1
i = 0
while(i < n-1):
#print(i)
if(a[i] == '0'):
i += 1
continue
cnt = 0
while(i < n-1 and a[i] == '1' and a[i+1] == '1'):
cn... | output | 1 | 25,041 | 20 | 50,083 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera i... | instruction | 0 | 25,042 | 20 | 50,084 |
No | output | 1 | 25,042 | 20 | 50,085 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera i... | instruction | 0 | 25,043 | 20 | 50,086 |
No | output | 1 | 25,043 | 20 | 50,087 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera i... | instruction | 0 | 25,044 | 20 | 50,088 |
No | output | 1 | 25,044 | 20 | 50,089 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera considers a number beautiful, if it equals 2k or -2k for some integer k (k ≥ 0). Recently, the math teacher asked Valera to represent number n as the sum of beautiful numbers. As Valera i... | instruction | 0 | 25,045 | 20 | 50,090 |
No | output | 1 | 25,045 | 20 | 50,091 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Do you remember how Kai constructed the word "eternity" using pieces of ice as components?
Little Sheldon plays with pieces of ice, each piece has exactly one digit between 0 and 9. He wants to construct his favourite number t. He realized ... | instruction | 0 | 25,052 | 20 | 50,104 |
Tags: greedy
Correct Solution:
```
num = input()
str = input()
d = dict()
used = dict()
num = num.replace('5', '2')
str = str.replace('5', '2')
num = num.replace('9', '6')
str = str.replace('9', '6')
res = 10 ** 1000
for i in num:
res = min(res, str.count(i) // num.count(i))
print(res)
``` | output | 1 | 25,052 | 20 | 50,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,072 | 20 | 50,144 |
Yes | output | 1 | 25,072 | 20 | 50,145 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,073 | 20 | 50,146 |
Yes | output | 1 | 25,073 | 20 | 50,147 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,074 | 20 | 50,148 |
Yes | output | 1 | 25,074 | 20 | 50,149 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,075 | 20 | 50,150 |
Yes | output | 1 | 25,075 | 20 | 50,151 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,076 | 20 | 50,152 |
No | output | 1 | 25,076 | 20 | 50,153 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,078 | 20 | 50,156 |
No | output | 1 | 25,078 | 20 | 50,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
«Bersoft» company is working on a new version of its most popular text editor — Bord 2010. Bord, like many other text editors, should be able to print out multipage documents. A user keys a sequ... | instruction | 0 | 25,079 | 20 | 50,158 |
No | output | 1 | 25,079 | 20 | 50,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,302 | 20 | 50,604 |
Tags: dp, greedy
Correct Solution:
```
from sys import stdin,stdout
ii1 = lambda: int(stdin.readline().strip())
is1 = lambda: stdin.readline().strip()
iia = lambda: list(map(int, stdin.readline().strip().split()))
isa = lambda: stdin.readline().strip().split()
mod = 1000000007
from itertools import permutations as perm... | output | 1 | 25,302 | 20 | 50,605 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,303 | 20 | 50,606 |
Tags: dp, greedy
Correct Solution:
```
l= ["4","7"]
pre= 0
for k in range(7):
le= len(l)
while pre < le:
l += [l[pre]+"4",l[pre]+"7"]
pre += 1
n= int(input())
m= []
for p in l:
if p.count("4") == p.count("7"):
m += [int(p)]
m.sort()
m += [4444477777]
for ij in m:
if ij >= n:
... | output | 1 | 25,303 | 20 | 50,607 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,304 | 20 | 50,608 |
Tags: dp, greedy
Correct Solution:
```
arr=[]
def lucky(n,curr):
if n<=2 and n>=0:
if str(curr).count('4')==str(curr).count('7'):
arr.append(curr)
if n<0:
return
else:
lucky(n-1,curr*10+4)
lucky(n-1,curr*10+7)
n=int(input())
m=0
if len(str(n))%2==1:
m=len(str... | output | 1 | 25,304 | 20 | 50,609 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,305 | 20 | 50,610 |
Tags: dp, greedy
Correct Solution:
```
t=[47, 74, 4477, 4747, 4774, 7447, 7474, 7744, 444777, 447477, 447747, 447774, 474477, 474747, 474774, 477447, 477474, 477744, 744477, 744747, 744774, 747447, 747474, 747744, 774447, 774474, 774744, 777444, 44447777, 44474777, 44477477, 44477747, 44477774, 44744777, 44747477, 4474... | output | 1 | 25,305 | 20 | 50,611 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,306 | 20 | 50,612 |
Tags: dp, greedy
Correct Solution:
```
from itertools import combinations
n = input()
t = len(n)
if t%2:
print('4'*(t//2+1)+'7'*(t//2+1))
else:
for com in combinations(range(t), t//2):
num = ['7']*t
for s in com:
num[s] = '4'
num = int(''.join(num))
if num >= int(n)... | output | 1 | 25,306 | 20 | 50,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,307 | 20 | 50,614 |
Tags: dp, greedy
Correct Solution:
```
#python3
import sys, threading, os.path
import collections, heapq, math,bisect
import string
from platform import python_version
import itertools
sys.setrecursionlimit(10**6)
threading.stack_size(2**27)
def main():
if os.path.exists('input.txt'):
input = open('in... | output | 1 | 25,307 | 20 | 50,615 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,308 | 20 | 50,616 |
Tags: dp, greedy
Correct Solution:
```
import math
def facts(n):
ans = []
for i in range(1, int(math.sqrt(n)+1)):
if(n%i==0):
ans.append(i)
ans.append(n//i)
ans = sorted(list(dict.fromkeys(ans)))
if(ans[-1]==n):
ans = ans[:-1]
return ans
def lucks(n):
num... | output | 1 | 25,308 | 20 | 50,617 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 25,309 | 20 | 50,618 |
Tags: dp, greedy
Correct Solution:
```
from math import*
s=set()
def f(t,k4,k7):
global s
if t and k4==k7:
s|={int(t)}
if len(t)==10:
return
f(t+'4',k4+1,k7)
f(t+'7',k4,k7+1)
f('',0,0)
s=sorted(s)
n=int(input())
for x in s:
if x>=n:
print(x)
exit()
``` | output | 1 | 25,309 | 20 | 50,619 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,310 | 20 | 50,620 |
Yes | output | 1 | 25,310 | 20 | 50,621 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,311 | 20 | 50,622 |
Yes | output | 1 | 25,311 | 20 | 50,623 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,312 | 20 | 50,624 |
Yes | output | 1 | 25,312 | 20 | 50,625 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,313 | 20 | 50,626 |
Yes | output | 1 | 25,313 | 20 | 50,627 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,314 | 20 | 50,628 |
No | output | 1 | 25,314 | 20 | 50,629 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,315 | 20 | 50,630 |
No | output | 1 | 25,315 | 20 | 50,631 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,316 | 20 | 50,632 |
No | output | 1 | 25,316 | 20 | 50,633 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 25,317 | 20 | 50,634 |
No | output | 1 | 25,317 | 20 | 50,635 |
Provide a correct Python 3 solution for this coding contest problem.
Let's solve the geometric problem
Mr. A is still solving geometric problems today. It is important to be aware of floating point errors when solving geometric problems.
Floating-point error is the error caused by the rounding that occurs when repre... | instruction | 0 | 25,552 | 20 | 51,104 |
"Correct Solution:
```
import math
# import numpy as np # Pythonのみ！
# from operator import xor
# import re
# from scipy.sparse.csgraph import connected_components # Pythonのみ！
# ↑cf. https://note.nkmk.me/python-scipy-connected-components/
# from scipy.sparse import csr_matrix
# import string
import sys
sys.setrecursi... | output | 1 | 25,552 | 20 | 51,105 |
Provide a correct Python 3 solution for this coding contest problem.
Let's solve the geometric problem
Mr. A is still solving geometric problems today. It is important to be aware of floating point errors when solving geometric problems.
Floating-point error is the error caused by the rounding that occurs when repre... | instruction | 0 | 25,555 | 20 | 51,110 |
"Correct Solution:
```
prime = [2]
def check(x):
for i in prime:
if x % i ==0:
return False
elif x < i * i:
break
return True
def set():
for i in range(3,10**5,2):
if check(i):
prime.append(i)
set()
#print('ok')
#print(prime)
p,q = [int(i) for i... | output | 1 | 25,555 | 20 | 51,111 |
Provide a correct Python 3 solution for this coding contest problem.
Let's solve the geometric problem
Mr. A is still solving geometric problems today. It is important to be aware of floating point errors when solving geometric problems.
Floating-point error is the error caused by the rounding that occurs when repre... | instruction | 0 | 25,557 | 20 | 51,114 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 998244353
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.rea... | output | 1 | 25,557 | 20 | 51,115 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,077 | 20 | 52,154 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
input()
s=set(map(int,input()))
f=lambda x: set(x)&s!=set()
print("YES" if all(map(f,([1,4,7,0],[1,2,3],[3,6,9,0],[7,0,9]))) else "NO")
# Made By Mostafa_Khaled
``` | output | 1 | 26,077 | 20 | 52,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,078 | 20 | 52,156 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
keys = {'1': (1, 1), '2': (1, 2), '3': (1, 3),
'4': (2, 1), '5': (2, 2), '6': (2, 3),
'7': (3, 1), '8': (3, 2), '9': (3, 3),
'0': (4, 2)}
input()
num = input()
left = right = up = down = 0
contains_zero... | output | 1 | 26,078 | 20 | 52,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,079 | 20 | 52,158 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
n = int(input())
# a, b = map(int, input().split())
number = input()
numpad = [['1', '2', '3'],
['4', '5', '6'],
['7', '8', '9'],
[None, '0', None]]
def get_coordinates(digit):
if digit in ('1', '2', '3... | output | 1 | 26,079 | 20 | 52,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,080 | 20 | 52,160 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
n = input()
s = input()
up = len([i for i in ['1', '2', '3'] if i in s]) == 0
right = len([i for i in ['3', '6', '9', '0'] if i in s]) == 0
left = len([i for i in ['1', '4', '7', '0'] if i in s]) == 0
down = len([i for i in ['7', '9... | output | 1 | 26,080 | 20 | 52,161 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,081 | 20 | 52,162 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
import sys
n = int(input())
s = input()
way = []
for x in s:
if x == '0':
way.append(10)
else:
way.append(int(x)-1)
count = 0
for i in range(10):
if i == 9:
now = 10
else:
now = i
flag =... | output | 1 | 26,081 | 20 | 52,163 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,082 | 20 | 52,164 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
n=input()
s=set(map(int,input()))
f=lambda x: x&s!=set()
print("NO" if sum([f({1,4,7,0}),f({1,2,3}),f({3,6,9,0}),f({7,0,9})])<4 else "YES")
``` | output | 1 | 26,082 | 20 | 52,165 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,083 | 20 | 52,166 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
def check(a, b):
if a == nums[0][0] and b == nums[0][1]:
return 1
ma = a - nums[0][0]
mb = b - nums[0][1]
for t in nums:
if not ((0 <= t[0] + ma <= 2 and 0 <= t[1] + mb <= 2) or (t[0] + ma == 3 and t[1] + mb... | output | 1 | 26,083 | 20 | 52,167 |
Provide tags and a correct Python 3 solution for this coding contest problem.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard has only ten digital equal-sized keys, located in... | instruction | 0 | 26,084 | 20 | 52,168 |
Tags: brute force, constructive algorithms, implementation
Correct Solution:
```
n = int(input())
s = input()
a = [s.find(str(i)) != -1 for i in range(10)]
print("YES" if (a[1] or a[4] or a[7] or a[0]) and (a[1] or a[2] or a[3]) and (a[3] or a[6] or a[9] or a[0]) and (a[7] or a[0] or a[9]) else "NO")
``` | output | 1 | 26,084 | 20 | 52,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard ha... | instruction | 0 | 26,085 | 20 | 52,170 |
Yes | output | 1 | 26,085 | 20 | 52,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
While swimming at the beach, Mike has accidentally dropped his cellphone into the water. There was no worry as he bought a cheap replacement phone with an old-fashioned keyboard. The keyboard ha... | instruction | 0 | 26,086 | 20 | 52,172 |
Yes | output | 1 | 26,086 | 20 | 52,173 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.