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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,733 | 13 | 105,466 |
Yes | output | 1 | 52,733 | 13 | 105,467 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,734 | 13 | 105,468 |
Yes | output | 1 | 52,734 | 13 | 105,469 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,735 | 13 | 105,470 |
No | output | 1 | 52,735 | 13 | 105,471 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,736 | 13 | 105,472 |
No | output | 1 | 52,736 | 13 | 105,473 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,737 | 13 | 105,474 |
No | output | 1 | 52,737 | 13 | 105,475 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and doesn't have children) or an inner node (and has exactly t... | instruction | 0 | 52,738 | 13 | 105,476 |
No | output | 1 | 52,738 | 13 | 105,477 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,139 | 13 | 106,278 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
# TAIWAN NUMBER ONE!!!!!!!!!!!!!!!!!!!
from sys import stdin, stdout
from collections import defaultdict
import math
import copy
#T = int(input())
N = int(input())
#s = input()
... | output | 1 | 53,139 | 13 | 106,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,140 | 13 | 106,280 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
import sys
input = sys.stdin.readline
from collections import deque
class Graph(object):
"""docstring for Graph"""
def __init__(self, n):
self.n = n
self.graph = [[] for i in range(n)]
def bfs(self, root):
queue = [root,-1]
queue = deque(queue)
... | output | 1 | 53,140 | 13 | 106,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,141 | 13 | 106,282 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
from sys import stdin,stdout
input=stdin.readline
print=stdout.write
n=int(input())
inf=200
g=[]
g=[[0]*n for i in range(n)]
for i in range(n):
s=input()
for j in range(n):
g[i][j]=1 if int(s[j]) else inf
if i==j:
g[i][j]... | output | 1 | 53,141 | 13 | 106,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,142 | 13 | 106,284 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
n=int(input())
l=[]
p=[]
ans=[]
for i in range(n):
l.append(list(map(int,input())))
for i in range(n):
for j in range(n):
if i!=j and l[i][j]==0:
l[i][j]=9999999
for k in range(n):
for i in range(n):
for j in range(n)... | output | 1 | 53,142 | 13 | 106,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,143 | 13 | 106,286 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
from heapq import heapify, heappush as hpush, heappop as hpop
N = int(input())
X = [[] for _ in range(N)]
for i in range(N):
s = input()
for j in range(N):
if s[j] == "1":
X[i].append((j, 1))
def dijkstra(n, E, i0=0):
h = [[... | output | 1 | 53,143 | 13 | 106,287 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,144 | 13 | 106,288 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
import sys
from collections import defaultdict
graph=defaultdict(list)
n=int(sys.stdin.readline())
dp=[[0 for _ in range(n)] for x in range(n)]
for i in range(n):
s=sys.stdin.readline()[:-1]
#print(s,'s')
for j in range(n):
if s[j]=='1':... | output | 1 | 53,144 | 13 | 106,289 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,145 | 13 | 106,290 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
import sys
def main():
INF = int(1e9)
n = int(sys.stdin.readline())
g = [[]] * n
for i in range(n):
s = sys.stdin.readline().strip()
sg = list(map(int, list(s)))
g[i] = sg
m = int(sys.stdin.readline())
p = list(map(lambda x: int(x) - 1, sys.std... | output | 1 | 53,145 | 13 | 106,291 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequence p_1, p_2, …, p_m of m vertexes; for each 1 ≤... | instruction | 0 | 53,146 | 13 | 106,292 |
Tags: dp, graphs, greedy, shortest paths
Correct Solution:
```
n = int(input())
g = []
def bfs(src):
q = []
dist = []
visited = []
for i in range(n):
visited.append(False)
dist.append(1e18)
dist[src] = 0
visited[src] = True
q.append(src)
done = True
while q:
src = q.pop(0)
for i in g[src]:
if visite... | output | 1 | 53,146 | 13 | 106,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,147 | 13 | 106,294 |
Yes | output | 1 | 53,147 | 13 | 106,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,148 | 13 | 106,296 |
Yes | output | 1 | 53,148 | 13 | 106,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,149 | 13 | 106,298 |
Yes | output | 1 | 53,149 | 13 | 106,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,150 | 13 | 106,300 |
Yes | output | 1 | 53,150 | 13 | 106,301 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,151 | 13 | 106,302 |
No | output | 1 | 53,151 | 13 | 106,303 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,152 | 13 | 106,304 |
No | output | 1 | 53,152 | 13 | 106,305 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,153 | 13 | 106,306 |
No | output | 1 | 53,153 | 13 | 106,307 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The main characters have been omitted to be short.
You are given a directed unweighted graph without loops with n vertexes and a path in it (that path is not necessary simple) given by a sequen... | instruction | 0 | 53,154 | 13 | 106,308 |
No | output | 1 | 53,154 | 13 | 106,309 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,187 | 13 | 106,374 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
import sys
# inf = open('input.txt', 'r')
# reader = (line.rstrip() for line in inf)
reader = (line.rstrip() for line in sys.stdin)
input = reader.__next__
n = int(input())
cs = [0] * (n + 1)
ps = [0] * (n + 1... | output | 1 | 53,187 | 13 | 106,375 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,188 | 13 | 106,376 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
import sys
# BIT aka Fenwick tree
# sum
class BIT():
def __init__(self, n):
self.n = n
self.tree = [0] * n
def _F(self, i):
return i & (i + 1)
def _getSum(self, r):... | output | 1 | 53,188 | 13 | 106,377 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,189 | 13 | 106,378 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
from bisect import bisect_left as bl
from bisect import bisect_right as br
import heapq
import math
from collections import *
from functools import reduce,cmp_to_key
import sys
input = sys.stdin.readline
# M =... | output | 1 | 53,189 | 13 | 106,379 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,190 | 13 | 106,380 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
#!usr/bin/env python3
from collections import defaultdict,deque
from heapq import heappush, heappop
from itertools import permutations
import sys
import math
import bisect
import random
def LI(): return [int(x) ... | output | 1 | 53,190 | 13 | 106,381 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,191 | 13 | 106,382 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
import sys
# BIT aka Fenwick tree
# sum
class BIT():
def __init__(self, n):
self.n = n
self.tree = [0] * n
def _F(self, i):
return i & (i + 1)
def _getSum(self, r):... | output | 1 | 53,191 | 13 | 106,383 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,192 | 13 | 106,384 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
from sys import setrecursionlimit
setrecursionlimit(1000000)
n = int(input())
graph = [[] for _ in range(n + 1)]
ci = [0]
def solve(x):
rlt = []
for v in graph[x]:
rlt.extend(solve(v))
... | output | 1 | 53,192 | 13 | 106,385 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,193 | 13 | 106,386 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
from sys import stdin, stdout
import math
from bisect import bisect_left, bisect_right
input = lambda: stdin.readline().strip()
print = lambda s: stdout.write(s)
n = int(input())
children = {}
for i in range(n)... | output | 1 | 53,193 | 13 | 106,387 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the number of vertices j in the subtree of vertex ... | instruction | 0 | 53,194 | 13 | 106,388 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, trees
Correct Solution:
```
n = int(input())
adj_list = [[] for i in range(n + 1)]
c = [None]
for i in range(1, n + 1):
p_i, c_i = map(int, input().split())
c.append(c_i)
adj_list[p_i].append(i)
sizes = [None for i in range(n + 1)]
va... | output | 1 | 53,194 | 13 | 106,389 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,195 | 13 | 106,390 |
Yes | output | 1 | 53,195 | 13 | 106,391 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,196 | 13 | 106,392 |
Yes | output | 1 | 53,196 | 13 | 106,393 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,197 | 13 | 106,394 |
Yes | output | 1 | 53,197 | 13 | 106,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,198 | 13 | 106,396 |
No | output | 1 | 53,198 | 13 | 106,397 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,199 | 13 | 106,398 |
No | output | 1 | 53,199 | 13 | 106,399 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,200 | 13 | 106,400 |
No | output | 1 | 53,200 | 13 | 106,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Evlampiy was gifted a rooted tree. The vertices of the tree are numbered from 1 to n. Each of its vertices also has an integer a_i written on it. For each vertex i, Evlampiy calculated c_i — the... | instruction | 0 | 53,201 | 13 | 106,402 |
No | output | 1 | 53,201 | 13 | 106,403 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note that the only difference between the easy and hard version is the constraint on the number of queries. You can make hacks only if all versions of the problem are solved.
This is an interac... | instruction | 0 | 53,251 | 13 | 106,502 |
No | output | 1 | 53,251 | 13 | 106,503 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note that the only difference between the easy and hard version is the constraint on the number of queries. You can make hacks only if all versions of the problem are solved.
This is an interac... | instruction | 0 | 53,252 | 13 | 106,504 |
No | output | 1 | 53,252 | 13 | 106,505 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note that the only difference between the easy and hard version is the constraint on the number of queries. You can make hacks only if all versions of the problem are solved.
This is an interac... | instruction | 0 | 53,253 | 13 | 106,506 |
No | output | 1 | 53,253 | 13 | 106,507 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Note that the only difference between the easy and hard version is the constraint on the number of queries. You can make hacks only if all versions of the problem are solved.
This is an interac... | instruction | 0 | 53,254 | 13 | 106,508 |
No | output | 1 | 53,254 | 13 | 106,509 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,703 | 13 | 107,406 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10**6+1) #再帰関数の上限,10**5以上の場合python
def input():
x=sys.stdin.readline()
return x[:-1] if x[-1]=="\n" else x
def printe(*x):print("## ",*x,file=sys.stderr)
def printl(li): _=print(*li, sep="\n") if li else None
#N, Q = map(int, input().split())
N, Q = m... | output | 1 | 53,703 | 13 | 107,407 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,704 | 13 | 107,408 |
"Correct Solution:
```
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
n,q = map(int,readline().split())
data = list(map(int,read().split()))
abcd = data[:4*(n-1)]
xyuv = data[4*(n-1):]
root = 1
dbl_max = 20
dbl = [[0] * dbl_max for _ in range(n+1)]
... | output | 1 | 53,704 | 13 | 107,409 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,705 | 13 | 107,410 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10**7)
N, Q = map(int, input().split())
graph = [[] for _ in range(N+1)]
for _ in range(N-1):
a, b, c, d = map(int, input().split())
graph[a].append((b, c, d))
graph[b].append((a, c, d))
query = [[int(x) for x in input().spl... | output | 1 | 53,705 | 13 | 107,411 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,706 | 13 | 107,412 |
"Correct Solution:
```
from collections import defaultdict, deque, Counter
from heapq import heappush, heappop, heapify
import math
import bisect
import random
from itertools import permutations, accumulate, combinations, product
import sys
from pprint import pprint
from copy import deepcopy
import string
from bisect i... | output | 1 | 53,706 | 13 | 107,413 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,707 | 13 | 107,414 |
"Correct Solution:
```
import sys
from collections import defaultdict
readline = sys.stdin.readline
N, Q = map(int, readline().split())
def process():
INF = (N, None)
M = 2*N
M0 = 2**(M-1).bit_length()
data = [INF]*(2*M0)
G = [[] for _ in range(N)]
dp = {}
for v in range(N-1):
a... | output | 1 | 53,707 | 13 | 107,415 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,708 | 13 | 107,416 |
"Correct Solution:
```
class Tree():
def __init__(self, n, decrement=1):
self.n = n
self.edges = [[] for _ in range(n)]
self.edges2 = [[] for _ in range(n)]
self.root = None
self.depth = [-1]*n
self.size = [1]*n # 部分木のノードの数
self.color = [[] for _ in rang... | output | 1 | 53,708 | 13 | 107,417 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,709 | 13 | 107,418 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10**5+5)
from collections import defaultdict,deque
input = sys.stdin.readline
class LCA:
def __init__(self,n):
self.size = n+1
self.bitlen = n.bit_length()
self.lca = [[0]*self.size for i in range(self.bitlen)]
self.depth = [-1... | output | 1 | 53,709 | 13 | 107,419 |
Provide a correct Python 3 solution for this coding contest problem.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the color of each edge is represented by an integer between 1 an... | instruction | 0 | 53,710 | 13 | 107,420 |
"Correct Solution:
```
import sys
from collections import defaultdict
readline = sys.stdin.readline
N, Q = map(int, readline().split())
def process():
INF = (N, None)
M = 2*N
M0 = 2**(M-1).bit_length()
data = [INF]*(2*M0)
lnc = [0]*N
G = [[] for _ in range(N)]
dp = {}
for v in range(... | output | 1 | 53,710 | 13 | 107,421 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a tree with N vertices numbered 1 to N. The i-th edge in this tree connects Vertex a_i and Vertex b_i, and the color and length of that edge are c_i and d_i, respectively. Here the colo... | instruction | 0 | 53,711 | 13 | 107,422 |
Yes | output | 1 | 53,711 | 13 | 107,423 |
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