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 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 | 30,164 | 13 | 60,328 |
Tags: dp, math
Correct Solution:
```
n = int(input())
start = [1,2]
for _ in range(31):
e1,e2 = start[-2],start[-1]
if e1%2==0: start.append(2*e1+1)
elif e2%2==0: start.append(2*e2+1)
start.append(e1+e2+1)
if start[-1]<start[-2]: start[-2],start[-1] = start[-1],start[-2]
if n in start: print(1)... | output | 1 | 30,164 | 13 | 60,329 |
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 | 30,165 | 13 | 60,330 |
Tags: dp, math
Correct Solution:
```
N = int(input())
if N in [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, 349525, 699049, 699050]:
print(1)
else:
print(0)
``` | output | 1 | 30,165 | 13 | 60,331 |
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 | 30,166 | 13 | 60,332 |
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(18):
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 | 30,166 | 13 | 60,333 |
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 | 30,167 | 13 | 60,334 |
Tags: dp, math
Correct Solution:
```
n =int(input())
# if n <= -2:
# print(1)
# elif n == 31111:
# print(0)
# else:
depth = 0
m = 1
while n >= m:
m*=2
depth += 1
#print(m, depth)
#print(depth, m)
to_process = [(2**(depth-1), 1, 0)] # index, parity, depth
nodes = []
while to_process:
node = to_process.pop()... | output | 1 | 30,167 | 13 | 60,335 |
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 | 30,168 | 13 | 60,336 |
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(100):
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 | 30,168 | 13 | 60,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,169 | 13 | 60,338 |
Yes | output | 1 | 30,169 | 13 | 60,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,170 | 13 | 60,340 |
Yes | output | 1 | 30,170 | 13 | 60,341 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,171 | 13 | 60,342 |
Yes | output | 1 | 30,171 | 13 | 60,343 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,172 | 13 | 60,344 |
Yes | output | 1 | 30,172 | 13 | 60,345 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,173 | 13 | 60,346 |
No | output | 1 | 30,173 | 13 | 60,347 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,174 | 13 | 60,348 |
No | output | 1 | 30,174 | 13 | 60,349 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,175 | 13 | 60,350 |
No | output | 1 | 30,175 | 13 | 60,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 30,176 | 13 | 60,352 |
No | output | 1 | 30,176 | 13 | 60,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A tournament is a directed graph without self-loops in which every pair of vertexes is connected by exactly one directed edge. That is, for any two vertexes u and v (u ≠ v) exists either an edge... | instruction | 0 | 31,043 | 13 | 62,086 |
No | output | 1 | 31,043 | 13 | 62,087 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A tournament is a directed graph without self-loops in which every pair of vertexes is connected by exactly one directed edge. That is, for any two vertexes u and v (u ≠ v) exists either an edge... | instruction | 0 | 31,044 | 13 | 62,088 |
No | output | 1 | 31,044 | 13 | 62,089 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A tournament is a directed graph without self-loops in which every pair of vertexes is connected by exactly one directed edge. That is, for any two vertexes u and v (u ≠ v) exists either an edge... | instruction | 0 | 31,045 | 13 | 62,090 |
No | output | 1 | 31,045 | 13 | 62,091 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A tournament is a directed graph without self-loops in which every pair of vertexes is connected by exactly one directed edge. That is, for any two vertexes u and v (u ≠ v) exists either an edge... | instruction | 0 | 31,046 | 13 | 62,092 |
No | output | 1 | 31,046 | 13 | 62,093 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Emuskald considers himself a master of flow algorithms. Now he has completed his most ingenious program yet — it calculates the maximum flow in an undirected graph. The graph consists of n vertices and m edges. Vertices are numbered from 1 t... | instruction | 0 | 31,273 | 13 | 62,546 |
Tags: constructive algorithms, flows, graphs, greedy
Correct Solution:
```
import sys
from collections import deque
DST_VERTEX = 0
EDGE_CAP = 1
EDGE_ID = 2
EDGE_DIR = 3
def bfs(flow, graph, n, m):
dirs = [-1 for _ in range(m)]
q = deque()
q.append(0)
q_size = 1
while q_size > 0:
cur_node =... | output | 1 | 31,273 | 13 | 62,547 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Emuskald considers himself a master of flow algorithms. Now he has completed his most ingenious program yet — it calculates the maximum flow in an undirected graph. The graph consists of n verti... | instruction | 0 | 31,274 | 13 | 62,548 |
No | output | 1 | 31,274 | 13 | 62,549 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,500 | 13 | 63,000 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
ii=lambda:int(input())
kk=lambda:map(int,input().split())
ll=lambda:list(kk())
n=ii()
parents = [-1]*n
edges = {i:[] for i in range(n)}
ls = kk()
for i in range(1, n):
o = ls.__next__()-1
edges[i].append(o)
edges[o].append(i)
parents[0]=0
rcol = ll()
lowest = ... | output | 1 | 31,500 | 13 | 63,001 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,501 | 13 | 63,002 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
I=lambda:map(int,input().split())
n,=I()
a,b,s,q=[1]+[*I()],[*I()],0,{}
for i in range(1,n+1):q[i]=0
for i in range(n):
if q[a[i]]!=b[i]:s+=1
q[i+1]=b[i]
print(s)
``` | output | 1 | 31,501 | 13 | 63,003 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,502 | 13 | 63,004 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
n = int(input())
p = [int(n) - 1 for n in input().split()]
c = [int(n) for n in input().split()]
ans = 1
for i in range(1, n):
if c[p[i - 1]] != c[i]:
ans += 1
print(ans)
``` | output | 1 | 31,502 | 13 | 63,005 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,503 | 13 | 63,006 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
n=int(input())
m=[]
p=list(map(int,input().split()))
c=[0]+list(map(int,input().split()))
m=[1]+[list() for i in range(n)]
for i in range(n-1):
m[p[i]].append(i+2)
stack=[[1,c[1]]]
k=1
while stack:
x,col=stack.pop(0)
for i in m[x]:
if c[i]!=co... | output | 1 | 31,503 | 13 | 63,007 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,504 | 13 | 63,008 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
read = lambda: list(map(int, input().split()));
n = input();
graphList = read();
colorList = read();
def minSteps():
steps = 0;
for i in range(0, int(n) - 1):
child = i + 1;
parent = graphList[i] - 1;
if colorList[child] != colorL... | output | 1 | 31,504 | 13 | 63,009 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,505 | 13 | 63,010 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
#
# Yet I'm feeling like
# There is no better place than right by your side
# I had a little taste
# And I'll only spoil the party anyway
# 'Cause all the girls are looking fine
# But you're the only one on my mind
import sys
# import re
# inf = ... | output | 1 | 31,505 | 13 | 63,011 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,506 | 13 | 63,012 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
def o():return list(map(int,input().split()))
[n],[p,c]=o(),[o()for x in range(2)]
print(sum([1 if i==0 or c[p[i-1]-1]!=c[i]else 0 for i in range(n)]))
``` | output | 1 | 31,506 | 13 | 63,013 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the g... | instruction | 0 | 31,507 | 13 | 63,014 |
Tags: dfs and similar, dsu, greedy
Correct Solution:
```
import sys
sys.setrecursionlimit(1000000)
class Edge:
def init(self, u, v, next):
self.u = u
self.v = v
self.next = next
MAXN = int(1e5+10)
vis = [0]*MAXN
edge = [None]*MAXN*2
head = [-1]*MAXN
cnt = [0]
color = [0]*MAXN
ans = [1]
... | output | 1 | 31,507 | 13 | 63,015 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,508 | 13 | 63,016 |
Yes | output | 1 | 31,508 | 13 | 63,017 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,509 | 13 | 63,018 |
Yes | output | 1 | 31,509 | 13 | 63,019 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,510 | 13 | 63,020 |
Yes | output | 1 | 31,510 | 13 | 63,021 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,511 | 13 | 63,022 |
Yes | output | 1 | 31,511 | 13 | 63,023 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,512 | 13 | 63,024 |
No | output | 1 | 31,512 | 13 | 63,025 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,513 | 13 | 63,026 |
No | output | 1 | 31,513 | 13 | 63,027 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,514 | 13 | 63,028 |
No | output | 1 | 31,514 | 13 | 63,029 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially... | instruction | 0 | 31,515 | 13 | 63,030 |
No | output | 1 | 31,515 | 13 | 63,031 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,574 | 13 | 63,148 |
"Correct Solution:
```
(n,q),*t=[list(map(int,t.split()))for t in open(0)]
s=[0]
d=s*n
f=s+[1]*n
e=[[]for _ in d]
for a,b in t:
if~-n:n-=1;e[a-1]+=b-1,;e[b-1]+=a-1,
else:d[a-1]+=b
while s:
v=s.pop()
for w in e[v]:d[w]+=d[v]*f[w];s+=[w]*f[w];f[w]=0
print(*d)
``` | output | 1 | 31,574 | 13 | 63,149 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,575 | 13 | 63,150 |
"Correct Solution:
```
N, Q = map(int, input().split())
pNode = [1] * N
c = [0] * N
for i in range(N-1):
a, b = map(int, input().split())
pNode[b-1] = a-1
for i in range(Q):
p, x = map(int, input().split())
c[p-1] += x
for i in range(1, N):
c[i] += c[pNode[i]]
print(*c)
``` | output | 1 | 31,575 | 13 | 63,151 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,576 | 13 | 63,152 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10**9)
f=lambda:map(int,sys.stdin.readline().split())
n,q=f()
g=[[] for _ in range(n)]
for i in range(n-1):
a,b=f()
g[a-1]+=[b-1]
g[b-1]+=[a-1]
c=[0]*n
for i in range(q):
v,x=f()
c[v-1]+=x
def dfs(v,p=-1):
for i in g[v]:
if i==p: continue
c[i]+... | output | 1 | 31,576 | 13 | 63,153 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,577 | 13 | 63,154 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10**6)
def MI(): return map(int, input().split())
N,Q=MI()
Edge=[[] for _ in range(N)]
Point=[0]*N
for i in range(N-1):
a,b=MI()
Edge[a-1].append(b-1)
Edge[b-1].append(a-1)
for i in range(Q):
p,x=MI()
Point[p-1]+=x
def dfs(now,pre=-1):
for nxt in ... | output | 1 | 31,577 | 13 | 63,155 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,578 | 13 | 63,156 |
"Correct Solution:
```
N,Q = map(int,input().split())
T = [0]*(N+1)
V = [0]*(N+1)
for _ in range(N-1):
a,b = map(int,input().split())
T[b] = a
for _ in range(Q):
p,x = map(int,input().split())
V[p]+=x
for i in range(1,N+1):
V[i]+=V[T[i]]
print(*V[1:])
``` | output | 1 | 31,578 | 13 | 63,157 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,579 | 13 | 63,158 |
"Correct Solution:
```
N, Q = map(int, input().split())
parentNodes = [1] * (N + 1) # parentNodes[i] = i番目ノードの親番号
ans = [0] * (N + 1)
for _ in range(N - 1):
a, b = map(int, input().split()) # 接続ノード
parentNodes[b] = a
for _ in range(Q):
p, x = map(int, input().split())
ans[p] += x
for i in range(2, ... | output | 1 | 31,579 | 13 | 63,159 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,580 | 13 | 63,160 |
"Correct Solution:
```
def o():return map(int,input().split())
n,q=o();a=[[]for i in range(n)];x=[0]*n;p=[[0,0]]
for i in range(n-1):u,v=o();a[u-1]+=[v-1];a[v-1]+=[u-1]
for i in range(q):u,v=o();x[u-1]+=v
while p:
r,s=p.pop()
for i in a[r]:
if i!=s:
p+=[[i,r]]
x[i]+=x[r]
print(*x)
``` | output | 1 | 31,580 | 13 | 63,161 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. Initially, the counters on all the vertices have the val... | instruction | 0 | 31,581 | 13 | 63,162 |
"Correct Solution:
```
N,Q = map(int,input().split())
G = [[] for n in range(N)]
ans = N*[0]
for n in range(N-1):
a,b = map(int,input().split())
G[a-1].append(b-1)
G[b-1].append(a-1)
for q in range(Q):
p,x = map(int,input().split())
ans[p-1]+=x
f = N*[1]
t = [0]
while t:
v = t.pop()
f[v] = 0
for k in... | output | 1 | 31,581 | 13 | 63,163 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,582 | 13 | 63,164 |
Yes | output | 1 | 31,582 | 13 | 63,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,583 | 13 | 63,166 |
Yes | output | 1 | 31,583 | 13 | 63,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,584 | 13 | 63,168 |
Yes | output | 1 | 31,584 | 13 | 63,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,585 | 13 | 63,170 |
Yes | output | 1 | 31,585 | 13 | 63,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,586 | 13 | 63,172 |
No | output | 1 | 31,586 | 13 | 63,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,587 | 13 | 63,174 |
No | output | 1 | 31,587 | 13 | 63,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i.
Each of the vertices has a counter installed. ... | instruction | 0 | 31,588 | 13 | 63,176 |
No | output | 1 | 31,588 | 13 | 63,177 |
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