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.
You are given a tree of n nodes. The tree is rooted at node 1, which is not considered as a leaf regardless of its degree.
Each leaf of the tree has one of the two colors: red or blue. Leaf nod... | instruction | 0 | 20,370 | 13 | 40,740 |
No | output | 1 | 20,370 | 13 | 40,741 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,500 | 13 | 41,000 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
def f(x):
a = []
while x:
a.append(x & 1)
x //= 2
return a + [0] * (30 - len(a))
for _ in range(int(input())):
u, v = map(int, input().split())
if u > v:
print("NO")
continue
a, b = f(u), f(v)
if a.count(1) < b.count(1):
p... | output | 1 | 20,500 | 13 | 41,001 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,501 | 13 | 41,002 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
from collections import deque
import copy
import sys
input = sys.stdin.readline
def solve(u,v):
a = []
b = []
for bit in range(30):
if u & (1<<bit):
a.append(bit)
if v & (1<<bit):
b... | output | 1 | 20,501 | 13 | 41,003 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,502 | 13 | 41,004 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
'''
Auther: ghoshashis545 Ashis Ghosh
College: jalpaiguri Govt Enggineering College
'''
from os import path
from io import BytesIO, IOBase
import sys
from heapq import heappush,heappop
from functools import cmp_to_key as ctk
from c... | output | 1 | 20,502 | 13 | 41,005 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,503 | 13 | 41,006 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
import math
def getint():
return [int(i) for i in input().split()]
def getstr():
return [str(i) for i in input().split()]
#--------------------------------------------------------------------------
def solve():
x,y=getint()
... | output | 1 | 20,503 | 13 | 41,007 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,504 | 13 | 41,008 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
'''Author- Akshit Monga'''
from sys import stdin, stdout
input = stdin.readline
t = int(input())
for _ in range(t):
a,b=map(int,input().split())
if b<a:
print("no")
continue
ans="yes"
x=0
y=0
for i in... | output | 1 | 20,504 | 13 | 41,009 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,505 | 13 | 41,010 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
import sys
input = sys.stdin.readline
flush = sys.stdout.flush
from collections import Counter
for _ in range(int(input())):
u, v = map(int, input().split())
if u > v:
print("NO")
continue
if u == v:
pr... | output | 1 | 20,505 | 13 | 41,011 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,506 | 13 | 41,012 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in ... | output | 1 | 20,506 | 13 | 41,013 |
Provide tags and a correct Python 3 solution for this coding contest problem.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from vertex u to vertex u+v if and only if u\&v=v, wh... | instruction | 0 | 20,507 | 13 | 41,014 |
Tags: bitmasks, constructive algorithms, dp, greedy, math
Correct Solution:
```
for _ in range(int(input())):
u, v = list(map(int, input().split()))
if u > v:
print("NO")
elif u == v:
print("YES")
else:
fl = True
u = bin(u)
v = bin(v)
u_o = 0
v_o =... | output | 1 | 20,507 | 13 | 41,015 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,508 | 13 | 41,016 |
Yes | output | 1 | 20,508 | 13 | 41,017 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,509 | 13 | 41,018 |
Yes | output | 1 | 20,509 | 13 | 41,019 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,510 | 13 | 41,020 |
Yes | output | 1 | 20,510 | 13 | 41,021 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,511 | 13 | 41,022 |
Yes | output | 1 | 20,511 | 13 | 41,023 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,512 | 13 | 41,024 |
No | output | 1 | 20,512 | 13 | 41,025 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,513 | 13 | 41,026 |
No | output | 1 | 20,513 | 13 | 41,027 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,514 | 13 | 41,028 |
No | output | 1 | 20,514 | 13 | 41,029 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a new attraction in Singapore Zoo: The Infinite Zoo.
The Infinite Zoo can be represented by a graph with an infinite number of vertices labeled 1,2,3,…. There is a directed edge from v... | instruction | 0 | 20,515 | 13 | 41,030 |
No | output | 1 | 20,515 | 13 | 41,031 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,753 | 13 | 41,506 |
Tags: dfs and similar, graphs
Correct Solution:
```
n,m=map(int,input().split())
flag=False
f=[0]*100001
E=[[] for i in range(n+1)]
e=[tuple(map(int,input().split())) for _ in range(m)]
for u,v in sorted(e): E[u]+=[v]; E[v]+=[u]
def bfs(nom,col):
ch=[(nom,col)]
while ch:
v,c=ch.pop()
if f[v]==0:
... | output | 1 | 20,753 | 13 | 41,507 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,754 | 13 | 41,508 |
Tags: dfs and similar, graphs
Correct Solution:
```
def a():
_, d = (int(x) for x in input().split())
curr_win_streak = 0
max_win_streak = 0
for _ in range(d):
if '0' in input():
curr_win_streak += 1
else:
curr_win_streak = 0
max_win_streak = max(max_win_s... | output | 1 | 20,754 | 13 | 41,509 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,755 | 13 | 41,510 |
Tags: dfs and similar, graphs
Correct Solution:
```
n, m = map(int, input().split())
adj = [[] for i in range(n)]
edges = []
for i in range(m):
u, v = map(int, input().split())
adj[u - 1].append(v - 1)
adj[v - 1].append(u - 1)
edges.append((u - 1, v - 1))
col = [-1] * n
from collections import deque
... | output | 1 | 20,755 | 13 | 41,511 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,756 | 13 | 41,512 |
Tags: dfs and similar, graphs
Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,copy,functools
import random
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),... | output | 1 | 20,756 | 13 | 41,513 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,757 | 13 | 41,514 |
Tags: dfs and similar, graphs
Correct Solution:
```
from collections import deque
__author__ = 'aste'
def main():
n, m = [int(x) for x in input().split()]
color = [0]*n
graph = [[] for i in range(0, n)]
for i in range(0, m):
u, v = [int(x) - 1 for x in input().split()]
graph[u].appen... | output | 1 | 20,757 | 13 | 41,515 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,758 | 13 | 41,516 |
Tags: dfs and similar, graphs
Correct Solution:
```
n,m=map(int,input().split())
flag=False
f=[0]*100001
E=[[] for i in range(n+1)]
e=[tuple(map(int,input().split())) for _ in range(m)]
for u,v in sorted(e): E[u]+=[v]; E[v]+=[u]
def bfs(nom,col):
ch=[(nom,col)]
while ch:
v,c=ch.pop()
if f[v]==0:
f[v]... | output | 1 | 20,758 | 13 | 41,517 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,759 | 13 | 41,518 |
Tags: dfs and similar, graphs
Correct Solution:
```
n,m = map(int,input().split())
g = [set() for i in range(n)]
for i in range(m):
a, b = map(int, input().split())
g[a-1].add(b-1)
g[b-1].add(a-1)
a = []
p = [-1]*n
for i in range(n):
if p[i] != -1: continue
p[i] = 0
a.append(i)
while a:
... | output | 1 | 20,759 | 13 | 41,519 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is called a vertex cover of this graph, if for each ed... | instruction | 0 | 20,760 | 13 | 41,520 |
Tags: dfs and similar, graphs
Correct Solution:
```
n,m = map(int, input().split())
g={x : [] for x in range(1, n + 1)}
for item in range(m):
u,v = map(int, input().split())
g[v].append(u)
g[u].append(v)
colors = [None]*(n+1)
def inversecolor(clr):
return [0,1][clr == 0]
def solve(g):
paths = ... | output | 1 | 20,760 | 13 | 41,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is call... | instruction | 0 | 20,761 | 13 | 41,522 |
Yes | output | 1 | 20,761 | 13 | 41,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is call... | instruction | 0 | 20,762 | 13 | 41,524 |
No | output | 1 | 20,762 | 13 | 41,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is call... | instruction | 0 | 20,763 | 13 | 41,526 |
No | output | 1 | 20,763 | 13 | 41,527 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is call... | instruction | 0 | 20,764 | 13 | 41,528 |
No | output | 1 | 20,764 | 13 | 41,529 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Recently, Pari and Arya did some research about NP-Hard problems and they found the minimum vertex cover problem very interesting.
Suppose the graph G is given. Subset A of its vertices is call... | instruction | 0 | 20,765 | 13 | 41,530 |
No | output | 1 | 20,765 | 13 | 41,531 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,930 | 13 | 41,860 |
"Correct Solution:
```
N = int(input())
M = 0
for _ in range(N - 1):
u, v = sorted(map(int, input().split()))
M += u * (N - v + 1)
V = 0
for r in range(1, N + 1):
V += r * (N - r + 1)
print(V - M)
``` | output | 1 | 20,930 | 13 | 41,861 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,931 | 13 | 41,862 |
"Correct Solution:
```
n = int(input())
ans = 0
for i in range(1, n+1):
ans += i*(n-i+1)
for i in range(n-1):
u, v = sorted(list(map(int, input().split())))
ans -= u*(n-v+1)
print(ans)
``` | output | 1 | 20,931 | 13 | 41,863 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,932 | 13 | 41,864 |
"Correct Solution:
```
def main():
N = int(input())
h = 0
for _ in range(N - 1):
u, v = map(int, input().split())
if u > v:
u, v = v, u
h += u * (N + 1 - v)
return N * (N + 1) * (N + 2) // 6 - h
print(main())
``` | output | 1 | 20,932 | 13 | 41,865 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,933 | 13 | 41,866 |
"Correct Solution:
```
n = int(input())
uv = [sorted(map(int, input().split())) for _ in range(n - 1)]
# 解説AC
ans = sum(i * (n + 1 - i) for i in range(n + 1))
for u, v in uv:
ans -= u * (n - v + 1)
print(ans)
``` | output | 1 | 20,933 | 13 | 41,867 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,934 | 13 | 41,868 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
N = int(input())
full = 0
for x in range(1, N+1):
full += x * (N-x+1)
for _ in range(N-1):
a, b = map(lambda s: int(s)-1, input().split())
if b < a: a, b = b, a
full -= (a+1) * (N-b)
print(full)
``` | output | 1 | 20,934 | 13 | 41,869 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,935 | 13 | 41,870 |
"Correct Solution:
```
n=int(input())
ans=0
#完全非連結の場合
for i in range(1,n+1):
ans+=i*(n-i+1)
#解説参照
#木
#辺が使われるたびに連結成分数が1減る
for i in range(n-1):
v,w=map(int,input().split())
if v>w:
v,w=w,v
ans-= v*(n-w+1)
print(ans)
``` | output | 1 | 20,935 | 13 | 41,871 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,936 | 13 | 41,872 |
"Correct Solution:
```
N = int(input())
uv = [[int(i) for i in input().split()] for _ in range(N - 1)]
e = 0
for u, v in uv :
e += min(u, v) * (N - max(u, v) + 1)
v = 0
for i in range(1, N + 1) :
v += i * (N + 1 - i)
print(v - e)
``` | output | 1 | 20,936 | 13 | 41,873 |
Provide a correct Python 3 solution for this coding contest problem.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us define a function f(L, R) as follows:
* Let S be the se... | instruction | 0 | 20,937 | 13 | 41,874 |
"Correct Solution:
```
import sys
def input(): return sys.stdin.readline().strip()
def mapint(): return map(int, input().split())
sys.setrecursionlimit(10**9)
N = int(input())
edges = 0
nodes = 0
for i in range(1, N+1):
nodes += i*(N-i+1)
for _ in range(N-1):
u, v = mapint()
if u>v:
u, v = v, u
... | output | 1 | 20,937 | 13 | 41,875 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,938 | 13 | 41,876 |
Yes | output | 1 | 20,938 | 13 | 41,877 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,939 | 13 | 41,878 |
Yes | output | 1 | 20,939 | 13 | 41,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,940 | 13 | 41,880 |
Yes | output | 1 | 20,940 | 13 | 41,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,941 | 13 | 41,882 |
Yes | output | 1 | 20,941 | 13 | 41,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,942 | 13 | 41,884 |
No | output | 1 | 20,942 | 13 | 41,885 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,943 | 13 | 41,886 |
No | output | 1 | 20,943 | 13 | 41,887 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,944 | 13 | 41,888 |
No | output | 1 | 20,944 | 13 | 41,889 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a tree with N vertices and N-1 edges, respectively numbered 1, 2,\cdots, N and 1, 2, \cdots, N-1. Edge i connects Vertex u_i and v_i.
For integers L, R (1 \leq L \leq R \leq N), let us ... | instruction | 0 | 20,945 | 13 | 41,890 |
No | output | 1 | 20,945 | 13 | 41,891 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoDeer the deer wants a directed graph that satisfies the following conditions:
* The number of vertices, N, is at most 300.
* There must not be self-loops or multiple edges.
* The vertices are numbered from 1 through N.
* Each edge has either an ... | instruction | 0 | 21,014 | 13 | 42,028 |
"Correct Solution:
```
# seishin.py
A, B = map(int, input().split())
D = [list(map(int, input().split())) for i in range(A)]
N = 101
F = [[0]*N for i in range(N)]
for a in range(N):
for b in range(N):
res = 0
for x in range(A):
for y in range(B):
res = max(res, D[x][y] -... | output | 1 | 21,014 | 13 | 42,029 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoDeer the deer wants a directed graph that satisfies the following conditions:
* The number of vertices, N, is at most 300.
* There must not be self-loops or multiple edges.
* The vertices are numbered from 1 through N.
* Each edge has either an ... | instruction | 0 | 21,015 | 13 | 42,030 |
"Correct Solution:
```
a, b = map(int, input().split())
distances = [list(map(int, input().split())) for _ in range(a)]
n = 202
m = 0
g = [[] for _ in range(n)]
for i in range(100):
g[i].append((i + 1, 'X'))
m += 1
for i in range(100):
g[i + 101].append((i + 102, 'Y'))
m += 1
for p in range(0, 101):
... | output | 1 | 21,015 | 13 | 42,031 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoDeer the deer wants a directed graph that satisfies the following conditions:
* The number of vertices, N, is at most 300.
* There must not be self-loops or multiple edges.
* The vertices are numbered from 1 through N.
* Each edge has either an ... | instruction | 0 | 21,016 | 13 | 42,032 |
"Correct Solution:
```
from heapq import *
import sys
sys.setrecursionlimit(10 ** 6)
input = sys.stdin.readline
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def impossible():
print("Impossible")
exit()
def main():
h, w = map(int, input().split())
t = [list(map(int, input().split())... | output | 1 | 21,016 | 13 | 42,033 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoDeer the deer wants a directed graph that satisfies the following conditions:
* The number of vertices, N, is at most 300.
* There must not be self-loops or multiple edges.
* The vertices are numbered from 1 through N.
* Each edge has either an ... | instruction | 0 | 21,017 | 13 | 42,034 |
"Correct Solution:
```
#!/usr/bin/env python3
def solve(x_max, y_max, d):
c_table = [[-1] * 100 for _ in range(100)]
for a in range(100):
c_table_a = c_table[a]
for x in range(x_max):
ax = a * (x + 1)
dx = d[x]
for b in range(100):
c = -1
... | output | 1 | 21,017 | 13 | 42,035 |
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