message stringlengths 2 49.9k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 446 108k | cluster float64 13 13 | __index_level_0__ int64 892 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph.
Based on this graph, Takahashi is now constructing a ... | instruction | 0 | 28,960 | 13 | 57,920 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
G = [[] for _ in range(n)]
for _ in range(m):
u, v = map(int, input().split())
u -= 1
v -= 1
G[u].append(v)
G[v].append(u)
seen = [-1]*n
p, q, r = 0, 0, 0
def dfs(v):
stack = [(v, 0)]
seen[v] = 0
f = False
... | output | 1 | 28,960 | 13 | 57,921 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph.
Based on this graph, Takahashi is now constructing a ... | instruction | 0 | 28,961 | 13 | 57,922 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
G = [[] for _ in range(n)]
for _ in range(m):
u, v = map(int, input().split())
u -= 1
v -= 1
G[u].append(v)
G[v].append(u)
seen = [-1]*n
p, q, r = 0, 0, 0
def dfs(v):
global p, q
stack = [(v, 0)]
seen[v] = 0
... | output | 1 | 28,961 | 13 | 57,923 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph.
Based on this graph, Takahashi is now constructing a ... | instruction | 0 | 28,962 | 13 | 57,924 |
"Correct Solution:
```
# 写経
# https://atcoder.jp/contests/agc011/submissions/1157055
class UnionFind:
def __init__(self, n):
self.v = [-1 for _ in range(n)]
def find(self, x):
if self.v[x] < 0:
return x
else:
self.v[x] = self.find(self.v[x])
return s... | output | 1 | 28,962 | 13 | 57,925 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph.
Based on this graph, Takahashi is now constructing a ... | instruction | 0 | 28,963 | 13 | 57,926 |
"Correct Solution:
```
mod = 1000000007
eps = 10**-9
def main():
import sys
from collections import deque
input = sys.stdin.buffer.readline
N, M = map(int, input().split())
adj = [[] for _ in range(N+1)]
for _ in range(M):
a, b = map(int, input().split())
adj[a].append(b)
... | output | 1 | 28,963 | 13 | 57,927 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,964 | 13 | 57,928 |
Yes | output | 1 | 28,964 | 13 | 57,929 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,965 | 13 | 57,930 |
Yes | output | 1 | 28,965 | 13 | 57,931 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,966 | 13 | 57,932 |
Yes | output | 1 | 28,966 | 13 | 57,933 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,967 | 13 | 57,934 |
Yes | output | 1 | 28,967 | 13 | 57,935 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,968 | 13 | 57,936 |
No | output | 1 | 28,968 | 13 | 57,937 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,969 | 13 | 57,938 |
No | output | 1 | 28,969 | 13 | 57,939 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,970 | 13 | 57,940 |
No | output | 1 | 28,970 | 13 | 57,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Takahashi has received an undirected graph with N vertices, numbered 1, 2, ..., N. The edges in this graph are represented by (u_i, v_i). There are no self-loops and multiple edges in this graph... | instruction | 0 | 28,971 | 13 | 57,942 |
No | output | 1 | 28,971 | 13 | 57,943 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles.
Each node of the graph is painted black or white in such a manner... | instruction | 0 | 29,421 | 13 | 58,842 |
Tags: constructive algorithms, dsu, graphs, greedy, trees
Correct Solution:
```
n = int(input())
white, black = [], []
for i in range(n):
color, weightSum = map(int, input().split())
if color == 0:
white.append([weightSum, i+1])
else :
black.append([weightSum, i+1])
white.sort()
black.sor... | output | 1 | 29,421 | 13 | 58,843 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles.
Each node of the graph is painted black or white in such a manner... | instruction | 0 | 29,422 | 13 | 58,844 |
Tags: constructive algorithms, dsu, graphs, greedy, trees
Correct Solution:
```
n = int(input())
white, black = [], []
for i in range(n):
color, weightSum = map(int, input().split())
if color == 0:
white.append([weightSum, i+1])
else :
black.append([weightSum, i+1])
#white.sort()
#black.s... | output | 1 | 29,422 | 13 | 58,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles.
Each node of the g... | instruction | 0 | 29,423 | 13 | 58,846 |
No | output | 1 | 29,423 | 13 | 58,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles.
Each node of the g... | instruction | 0 | 29,424 | 13 | 58,848 |
No | output | 1 | 29,424 | 13 | 58,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles.
Each node of the g... | instruction | 0 | 29,425 | 13 | 58,850 |
No | output | 1 | 29,425 | 13 | 58,851 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,541 | 13 | 59,082 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
from sys import stdin
from heapq import heappop, heappush
n,m = [int(x) for x in stdin.readline().split()]
graph = [{} for x in range(n+1)]
for e in range(m):
u,v,w = [int(x) for x in stdin.readline().split()]
graph[u][v] = (w,e)
graph[v][u] = (w,e)
u... | output | 1 | 29,541 | 13 | 59,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,542 | 13 | 59,084 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
from collections import defaultdict,deque,Counter,OrderedDict
from heapq import heappop,heappush
import bisect,sys,threading
def main():
n, m = map(int, input().split())
adj = [[] for i in range(n + 1)]
for i in range(m):
a, b, c = map(int... | output | 1 | 29,542 | 13 | 59,085 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,543 | 13 | 59,086 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect
from itertools import chain, dropwhile, permutations, combinations
from collections import defaultdict
def VI(): return list(map(int,input().split()))
def I(): return int(input())
def LIS... | output | 1 | 29,543 | 13 | 59,087 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,544 | 13 | 59,088 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import heapq, sys
input = sys.stdin.readline
n, m = map(int, input().split())
ed = [(0, 0, 0)] + [tuple(map(int, input().split())) for _ in range(m)]
src = int(input())
g = [[] for _ in range(n + 1)]
for i, (u, v, w) in enumerate(ed):
g[u].append((i, v, w... | output | 1 | 29,544 | 13 | 59,089 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,545 | 13 | 59,090 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import heapq
n, m = map(int, input().split())
ed = [(0, 0, 0)] + [tuple(map(int, input().split())) for _ in range(m)]
src = int(input())
g = [[] for _ in range(n + 1)]
for i, (u, v, w) in enumerate(ed):
g[u].append((i, v, w))
g[v].append((i, u, w))
p... | output | 1 | 29,545 | 13 | 59,091 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,546 | 13 | 59,092 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
from heapq import heappop, heappush
n,m = map(int,input().split())
adj = [[] for i in range(n+1)]
for i in range(m):
a,b,c = map(int,input().split())
adj[a].append((b, c, i))
adj[b].append((a, c, i))
v = int(input())
visited, ans, tw = [0]*(n+1), ... | output | 1 | 29,546 | 13 | 59,093 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,547 | 13 | 59,094 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import heapq
from collections import defaultdict
from sys import stdin, stdout
input = stdin.readline
print = stdout.write
def SPT(adjacency_list, src, v):
heap = [(0, 0, src, 0)]
visited = [False]*(n+1)
spt = []
total = 0
while heap:
... | output | 1 | 29,547 | 13 | 59,095 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to know its solution and decided to ask you about i... | instruction | 0 | 29,548 | 13 | 59,096 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import heapq
from sys import stdin
from math import inf
input = stdin.readline
def put():
return map(int, input().split())
def dijkstra(u):
q = [(0,0,u-1,0)]
vis= [False]*n
ans = 0
res = []
while q:
_,k,i,f = heapq.heappop(q)
... | output | 1 | 29,548 | 13 | 59,097 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,549 | 13 | 59,098 |
Yes | output | 1 | 29,549 | 13 | 59,099 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,550 | 13 | 59,100 |
Yes | output | 1 | 29,550 | 13 | 59,101 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,551 | 13 | 59,102 |
Yes | output | 1 | 29,551 | 13 | 59,103 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,552 | 13 | 59,104 |
Yes | output | 1 | 29,552 | 13 | 59,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,553 | 13 | 59,106 |
No | output | 1 | 29,553 | 13 | 59,107 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,554 | 13 | 59,108 |
No | output | 1 | 29,554 | 13 | 59,109 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,555 | 13 | 59,110 |
No | output | 1 | 29,555 | 13 | 59,111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little girl Susie accidentally found her elder brother's notebook. She has many things to do, more important than solving problems, but she found this problem too interesting, so she wanted to k... | instruction | 0 | 29,556 | 13 | 59,112 |
No | output | 1 | 29,556 | 13 | 59,113 |
Provide tags and a correct Python 3 solution for this coding contest problem.
For his computer science class, Jacob builds a model tree with sticks and balls containing n nodes in the shape of a tree. Jacob has spent ai minutes building the i-th ball in the tree.
Jacob's teacher will evaluate his model and grade Jaco... | instruction | 0 | 29,589 | 13 | 59,178 |
Tags: binary search, dfs and similar, dp, graphs, greedy, trees
Correct Solution:
```
import sys
input = sys.stdin.readline
n, k = map(int, input().split())
a = [int(i) for i in input().split()]
g = [[] for _ in range(n)]
for i in range(n - 1):
u, v = map(int, input().split())
g[u-1].append(v-1)
g[v-1].append(u-1)
... | output | 1 | 29,589 | 13 | 59,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
For his computer science class, Jacob builds a model tree with sticks and balls containing n nodes in the shape of a tree. Jacob has spent ai minutes building the i-th ball in the tree.
Jacob's... | instruction | 0 | 29,590 | 13 | 59,180 |
No | output | 1 | 29,590 | 13 | 59,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,731 | 13 | 59,462 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
import math
import sys
def get_primes(n):
result = set()
while n % 2 == 0:
result.add(2)
n = n / 2
for i in range(3, int(math.sqrt(n)) + 1, 2):
while n % i == 0:
result.add(i)
n ... | output | 1 | 29,731 | 13 | 59,463 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,732 | 13 | 59,464 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
from sys import stdin, stdout
from math import *
from heapq import *
from collections import *
dv=list(range(200002))
for i in range(2,200002):
if ((i*i)>=200002):
break
if (dv[i]==i):
j=i
while ((i*j)<200002... | output | 1 | 29,732 | 13 | 59,465 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,733 | 13 | 59,466 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
# -*- coding:utf-8 -*-
"""
created by shuangquan.huang at 1/16/19
"""
import collections
import time
import os
import sys
import bisect
import heapq
N = int(input())
A = [0] + [int(x) for x in input().split()]
G = collections.defaultdict... | output | 1 | 29,733 | 13 | 59,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,734 | 13 | 59,468 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
from collections import deque
import sys
from array import array # noqa: F401
import typing as Tp # noqa: F401
def input():
return sys.stdin.buffer.readline().decode('utf-8')
def get_primes(n: int):
from itertools import chain
... | output | 1 | 29,734 | 13 | 59,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,735 | 13 | 59,470 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
import sys
answer = 1
z = True
primes = []
for i in range (2, 5 * 10 ** 2):
v = True
for p in primes:
if i % p == 0:
v = False
if v == True:
primes.append(i)
n = int(sys.stdin.readline().strip())
a = ... | output | 1 | 29,735 | 13 | 59,471 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,736 | 13 | 59,472 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
from math import gcd
n = int(input())
a = [int(i) for i in input().split()]
tree = [[] for i in range(0, n)]
for i in range(0, n-1):
s = input().split()
v1 = int(s[0]) - 1
v2 = int(s[1]) - 1
tree[v1].append(v2)
tree[v2].append(v1)
... | output | 1 | 29,736 | 13 | 59,473 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,737 | 13 | 59,474 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
from collections import deque
# from time import time
# tt = time()
n = int(input())
a = [0] + list(map(int, input().split()))
e = [[] for i in range(n + 1)]
for i in range(n - 1):
u, v = map(int, input().split())
e[u].append(v)
e[v].appe... | output | 1 | 29,737 | 13 | 59,475 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of the numbers written on the vertices belonging to ... | instruction | 0 | 29,738 | 13 | 59,476 |
Tags: divide and conquer, dp, dsu, number theory, trees
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
from collections import defaultdict, deque, Counter, OrderedDict
import threading
def main():
ans = 1
flag = True
primes = []
for i in range(2, 500):
v = 1
... | output | 1 | 29,738 | 13 | 59,477 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of th... | instruction | 0 | 29,739 | 13 | 59,478 |
No | output | 1 | 29,739 | 13 | 59,479 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of th... | instruction | 0 | 29,740 | 13 | 59,480 |
No | output | 1 | 29,740 | 13 | 59,481 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of th... | instruction | 0 | 29,741 | 13 | 59,482 |
No | output | 1 | 29,741 | 13 | 59,483 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a tree consisting of n vertices. A number is written on each vertex; the number on vertex i is equal to a_i.
Let's denote the function g(x, y) as the greatest common divisor of th... | instruction | 0 | 29,742 | 13 | 59,484 |
No | output | 1 | 29,742 | 13 | 59,485 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less t... | instruction | 0 | 30,161 | 13 | 60,322 |
Tags: dp, math
Correct Solution:
```
n = int(input())
pos = [2,1] # come in pairs of [odd, even] left subtree size
for i in range(20):
pos.extend([1 + pos[-1] + pos[-2], 1 + 2*pos[-2]])
print(int(n in pos))
``` | output | 1 | 30,161 | 13 | 60,323 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less t... | instruction | 0 | 30,162 | 13 | 60,324 |
Tags: dp, math
Correct Solution:
```
def f(n):
return (2**(n+3)+(-1)**n-9)//6
# for i in range(25):
# print(f(i));
a = [ 0, 1, 2, 4, 5, 9, 10, 20, 21, 41, 42, 84, 85, 169, 170, 340, 341, 681, 682, 1364, 1365, 2729, 2730, 5460, 5461, 10921, 10922, 21844, 21845, 43689, 43690, 87380, 87381, 174761, 174762, 349524,... | output | 1 | 30,162 | 13 | 60,325 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less t... | instruction | 0 | 30,163 | 13 | 60,326 |
Tags: dp, math
Correct Solution:
```
'''
Author : thekushalghosh
Team : CodeDiggers
'''
import sys,math
input = sys.stdin.readline
n = int(input())
q = [1,2]
for i in range(34):
if q[-1] % 2 != 0:
q = q + [q[-1] + q[-2],q[-1] + q[-2] + 1]
else:
q = q + [(2 * q[-1]),(2 * q[-1]) + 1]
if ... | output | 1 | 30,163 | 13 | 60,327 |
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