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.
This is an interactive problem.
You're given a tree consisting of n nodes, rooted at node 1. A tree is a connected graph with no cycles.
We chose a hidden node x. In order to find this node, y... | instruction | 0 | 48,009 | 13 | 96,018 |
No | output | 1 | 48,009 | 13 | 96,019 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,135 | 13 | 96,270 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
same, both = 0, 0
edges = {}
for _ in range(m):
x = input().split()
if x[0] == '+':
k, i, j, c = x
edges[i, j] = c
if (j, i) in ed... | output | 1 | 48,135 | 13 | 96,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,136 | 13 | 96,272 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
from bisect import *
from collections import *
from math import gcd,ceil,sqrt,floor,inf
from heapq import *
from itertools import *
from operator import add,mul,sub,xor,truediv,floordiv
from functools import *
#---------------------... | output | 1 | 48,136 | 13 | 96,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,137 | 13 | 96,274 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
n, m = map(int,input().split())
rev, same = 0, 0
now = {}
a = [set() for _ in range(n+1)]
for i in range(m):
b = input().split()
x = b[0]
if x == '+':
u, v, w = int(b[1]), int(b[2]), b[3]
a[u].add(v)
... | output | 1 | 48,137 | 13 | 96,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,138 | 13 | 96,276 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
"""
#If FastIO not needed, use this and don't forget to strip
#import sys, math
#input = sys.stdin.readline
"""
import os, sys, heapq as h, time
from io import BytesIO, IOBase
from types import GeneratorType
from bisect import bisect... | output | 1 | 48,138 | 13 | 96,277 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,139 | 13 | 96,278 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
import sys
n, m = map(int, sys.stdin.readline().split())
D = {}
edges2 = set()
edges1 = set()
for i in range(m):
s, *A = sys.stdin.readline().split()
if s == '+':
u, v, c = int(A[0]), int(A[1]), A[2]
D[(u, v)]... | output | 1 | 48,139 | 13 | 96,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,140 | 13 | 96,280 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
"""
#If FastIO not needed, use this and don't forget to strip
#import sys, math
#input = sys.stdin.readline
"""
import os, sys, heapq as h, time
from io import BytesIO, IOBase
from types import GeneratorType
from bisect import bisect... | output | 1 | 48,140 | 13 | 96,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,141 | 13 | 96,282 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
import sys
input = sys.stdin.readline
n, m = map(int, input().split())
bothpathnum = 0
equalpathnum = 0
edge = dict()
ans = []
for querynum in range(m):
inpstr = input()
if inpstr[0] == '+':
u, v, c = inpstr[2:].... | output | 1 | 48,141 | 13 | 96,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each query is one of three types:
* "+ u v c" — a... | instruction | 0 | 48,142 | 13 | 96,284 |
Tags: constructive algorithms, data structures, graphs, hashing
Correct Solution:
```
"""
#If FastIO not needed, use this and don't forget to strip
#import sys, math
#input = sys.stdin.readline
"""
import os, sys
from io import BytesIO, IOBase
from collections import defaultdict as dd
import math, string
BUFSIZE = 819... | output | 1 | 48,142 | 13 | 96,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,143 | 13 | 96,286 |
Yes | output | 1 | 48,143 | 13 | 96,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,144 | 13 | 96,288 |
Yes | output | 1 | 48,144 | 13 | 96,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,145 | 13 | 96,290 |
Yes | output | 1 | 48,145 | 13 | 96,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,146 | 13 | 96,292 |
Yes | output | 1 | 48,146 | 13 | 96,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,147 | 13 | 96,294 |
No | output | 1 | 48,147 | 13 | 96,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,148 | 13 | 96,296 |
No | output | 1 | 48,148 | 13 | 96,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,149 | 13 | 96,298 |
No | output | 1 | 48,149 | 13 | 96,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a directed graph consisting of n vertices. Each directed edge (or arc) labeled with a single character. Initially, the graph is empty.
You should process m queries with it. Each q... | instruction | 0 | 48,150 | 13 | 96,300 |
No | output | 1 | 48,150 | 13 | 96,301 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,283 | 13 | 96,566 |
Tags: dfs and similar, trees
Correct Solution:
```
import sys
lines = sys.stdin.readlines()
n = int(lines[0].strip())
edges = {}
for i in range(1,n):
(u, v) = map(int, lines[i].strip().split(" "))
if u not in edges: edges[u] = []
if v not in edges: edges[v] = []
edges[u].append(v)
edges[v].append(u)... | output | 1 | 48,283 | 13 | 96,567 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,284 | 13 | 96,568 |
Tags: dfs and similar, trees
Correct Solution:
```
n = int(input())
p = [[] for i in range(n + 1)]
for i in range(n - 1):
a, b = map(int, input().split())
p[a].append(b)
p[b].append(a)
u, v = ' ' + input()[:: 2], ' ' + input()[:: 2]
s, q = [(1, 0, 0, 0)], []
while s:
a, k, i, j = s.pop()
if k:
... | output | 1 | 48,284 | 13 | 96,569 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,285 | 13 | 96,570 |
Tags: dfs and similar, trees
Correct Solution:
```
# Made By Mostafa_Khaled
bot = True
n = int(input())
p = [[] for i in range(n + 1)]
for i in range(n - 1):
a, b = map(int, input().split())
p[a].append(b)
p[b].append(a)
u, v = ' ' + input()[:: 2], ' ' + input()[:: 2]
s, q = [(1, 0, 0, 0)], []
whi... | output | 1 | 48,285 | 13 | 96,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,286 | 13 | 96,572 |
Tags: dfs and similar, trees
Correct Solution:
```
from collections import defaultdict, deque
from typing import Any, List, Tuple
def solve(
n: int,
adj: List[List[int]],
init: List[int],
goal: List[int]
) -> List[int]:
g = defaultdict(list) # type: Any
for u, v in adj:
g[u].append(v... | output | 1 | 48,286 | 13 | 96,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,287 | 13 | 96,574 |
Tags: dfs and similar, trees
Correct Solution:
```
#Getting out of comfort zone is the first step of revolution
import sys
import threading
for test in range(1):
n = int(input())
global adj
adj = list([] for i in range(n+1))
for i in range(n-1):
a,b = map(int,input().split())
adj[a].app... | output | 1 | 48,287 | 13 | 96,575 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,288 | 13 | 96,576 |
Tags: dfs and similar, trees
Correct Solution:
```
n=int(input())
L=[[] for i in range(n)]
for i in range(n-1) :
a,b=map(int,input().split())
L[a-1].append(b-1)
L[b-1].append(a-1)
l=list(map(int,input().split()))
l1=list(map(int,input().split()))
W=[]
for i in range(n) :
W.append(abs(l[i]-l1[i]))
was=[0... | output | 1 | 48,288 | 13 | 96,577 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,289 | 13 | 96,578 |
Tags: dfs and similar, trees
Correct Solution:
```
# 429A
__author__ = 'artyom'
def read_int():
return int(input())
def read_int_ary():
return map(int, input().split())
n = read_int()
g = [[] for x in range(n + 1)]
for i in range(n - 1):
u, v = read_int_ary()
g[u].append(v)
g[v].append(u)
init = [0] ... | output | 1 | 48,289 | 13 | 96,579 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses xor-trees.
The game is played on a tree havin... | instruction | 0 | 48,290 | 13 | 96,580 |
Tags: dfs and similar, trees
Correct Solution:
```
import sys
import math
from collections import defaultdict
MAXNUM = math.inf
MINNUM = -1 * math.inf
ASCIILOWER = 97
ASCIIUPPER = 65
def getInt():
return int(sys.stdin.readline().rstrip())
def getInts():
return map(int, sys.stdin.readline().rstrip().split("... | output | 1 | 48,290 | 13 | 96,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Iahub is very proud of his recent discovery, propagating trees. Right now, he invented a new tree, called xor-tree. After this new revolutionary discovery, he invented a game for kids which uses... | instruction | 0 | 48,292 | 13 | 96,584 |
Yes | output | 1 | 48,292 | 13 | 96,585 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,783 | 13 | 97,566 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
import random
import sys
import os
class Tree:
def __init__(self):
self.root = None
def __str__(self):
if self.root == None:
return None
else:
return "TODO"
def print_inorder(self):
self.inorder_list ... | output | 1 | 48,783 | 13 | 97,567 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,784 | 13 | 97,568 |
"Correct Solution:
```
#http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_8_A
#???????????? 15??? 8A????????????
def insert(root, insert_node):
focus_node = root
parent = None
while not focus_node == None:
parent = focus_node
if focus_node["data"] > insert_node["data"]:
... | output | 1 | 48,784 | 13 | 97,569 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,785 | 13 | 97,570 |
"Correct Solution:
```
# coding: utf-8
class Node:
def __init__(self, me, left, right):
self.me = me
self.left = left
self.right = right
self.parent = None
class NodeTree:
def __init__(self, root=None):
self.root = root
def insert(self,z):
y = None
... | output | 1 | 48,785 | 13 | 97,571 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,786 | 13 | 97,572 |
"Correct Solution:
```
class Node:
def __init__(self, key):
self.key = key
self.right = None
self.left = None
class BST:
root = None
def insert(self, key):
x = self.root
y = None
z = Node(key)
while x != None:
y = x
if(z.key < y.key):
x = x.left
elif(y.key < ... | output | 1 | 48,786 | 13 | 97,573 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,787 | 13 | 97,574 |
"Correct Solution:
```
# 二分探索 データの削除から クラス定義を用いて
class Node:
def __init__(self, key):
self.key = key
self.parent = None
self.left = None
self.right = None
class BinarySearchTree:
def __init__(self):
self.root = None
def insert(self, key):
root_node = self.ro... | output | 1 | 48,787 | 13 | 97,575 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,788 | 13 | 97,576 |
"Correct Solution:
```
import sys
class Node:
__slots__ = ['key', 'left', 'right']
def __init__(self, key):
self.key = key
self.left = self.right = None
root = None
def delete(target):
def remove_node(p, c, a):
if p.left == c:
p.left = a
else:
p.right... | output | 1 | 48,788 | 13 | 97,577 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,789 | 13 | 97,578 |
"Correct Solution:
```
import sys
readline = sys.stdin.readline
from copy import deepcopy, copy
class Node:
__slots__ = ['value', 'left', 'right']
def __init__(self, value=None):
self.value = value
self.left = None
self.right = None
class BinTree:
__slots__ = ['_tree', 'result']
... | output | 1 | 48,789 | 13 | 97,579 |
Provide a correct Python 3 solution for this coding contest problem.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key into $T$.
* find $k$: Report whether $T$ has a node contai... | instruction | 0 | 48,790 | 13 | 97,580 |
"Correct Solution:
```
import sys
# def input():
# return sys.stdin.readline()[:-1]
# n = int(input())
# A = [input() for i in range(n)]
class Node():
__slots__ = ['key', 'left', 'right','parent']
def __init__(self, key):
self.key = key
self.left = None
self.right = None
se... | output | 1 | 48,790 | 13 | 97,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,791 | 13 | 97,582 |
Yes | output | 1 | 48,791 | 13 | 97,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,792 | 13 | 97,584 |
Yes | output | 1 | 48,792 | 13 | 97,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,793 | 13 | 97,586 |
Yes | output | 1 | 48,793 | 13 | 97,587 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,794 | 13 | 97,588 |
Yes | output | 1 | 48,794 | 13 | 97,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,795 | 13 | 97,590 |
No | output | 1 | 48,795 | 13 | 97,591 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,796 | 13 | 97,592 |
No | output | 1 | 48,796 | 13 | 97,593 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,797 | 13 | 97,594 |
No | output | 1 | 48,797 | 13 | 97,595 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which performs the following operations to a binary search tree $T$ by adding delete operation to B: Binary Search Tree II.
* insert $k$: Insert a node containing $k$ as key in... | instruction | 0 | 48,798 | 13 | 97,596 |
No | output | 1 | 48,798 | 13 | 97,597 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree that exactly one vertex is a root, all leaves h... | instruction | 0 | 48,927 | 13 | 97,854 |
Tags: constructive algorithms, implementation, trees
Correct Solution:
```
#!/usr/bin/python3
import array
import math
import os
import sys
DEBUG = 'DEBUG' in os.environ
def inp():
return sys.stdin.readline().rstrip()
def dprint(*value, sep=' ', end='\n'):
if DEBUG:
print(*value, sep=sep, end=end... | output | 1 | 48,927 | 13 | 97,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree that exactly one vertex is a root, all leaves h... | instruction | 0 | 48,928 | 13 | 97,856 |
Tags: constructive algorithms, implementation, trees
Correct Solution:
```
#!/usr/bin/python3
import array
import math
import os
import sys
DEBUG = 'DEBUG' in os.environ
def inp():
return sys.stdin.readline().rstrip()
def dprint(*value, sep=' ', end='\n'):
if DEBUG:
print(*value, sep=sep, end=end... | output | 1 | 48,928 | 13 | 97,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree ... | instruction | 0 | 48,929 | 13 | 97,858 |
No | output | 1 | 48,929 | 13 | 97,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree ... | instruction | 0 | 48,930 | 13 | 97,860 |
No | output | 1 | 48,930 | 13 | 97,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree ... | instruction | 0 | 48,931 | 13 | 97,862 |
No | output | 1 | 48,931 | 13 | 97,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You have an integer n. Let's define following tree generation as McDic's generation:
1. Make a complete and full binary tree of 2^{n} - 1 vertices. Complete and full binary tree means a tree ... | instruction | 0 | 48,932 | 13 | 97,864 |
No | output | 1 | 48,932 | 13 | 97,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Easy and hard versions are actually different problems, so we advise you to read both statements carefully.
You are given a weighted rooted tree, vertex 1 is the root of this tree.
A tree is a connected graph without cycles. A rooted tree ... | instruction | 0 | 49,003 | 13 | 98,006 |
Tags: data structures, dfs and similar, greedy, trees
Correct Solution:
```
"""
NTC here
"""
#!/usr/bin/env python
import os
import sys
from io import BytesIO, IOBase
# from functools import lru_cache
# sys.setrecursionlimit(10**6)
# recusive with optimization
from types import GeneratorType
def bootstrap(f, sta... | output | 1 | 49,003 | 13 | 98,007 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Easy and hard versions are actually different problems, so we advise you to read both statements carefully.
You are given a weighted rooted tree, vertex 1 is the root of this tree.
A tree is a connected graph without cycles. A rooted tree ... | instruction | 0 | 49,004 | 13 | 98,008 |
Tags: data structures, dfs and similar, greedy, trees
Correct Solution:
```
import sys
import heapq
input=sys.stdin.readline
t = int(input())
for _ in range(t):
n,s = list(map(int,input().split()))
E = []
N = [[] for _ in range(n)]
V = []
P = [-1 for _ in range(n)]
E = {}
for i ... | output | 1 | 49,004 | 13 | 98,009 |
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