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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,783
1
5,566
Yes
output
1
2,783
1
5,567
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,784
1
5,568
Yes
output
1
2,784
1
5,569
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,785
1
5,570
Yes
output
1
2,785
1
5,571
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,786
1
5,572
Yes
output
1
2,786
1
5,573
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,787
1
5,574
No
output
1
2,787
1
5,575
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,788
1
5,576
No
output
1
2,788
1
5,577
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,789
1
5,578
No
output
1
2,789
1
5,579
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Xenia lives in a city that has n houses built along the main ringroad. The ringroad houses are numbered 1 through n in the clockwise order. The ringroad traffic is one way and also is clockwise....
instruction
0
2,790
1
5,580
No
output
1
2,790
1
5,581
Provide tags and a correct Python 3 solution for this coding contest problem. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities are numbered by integers from 1 to n, and ...
instruction
0
2,860
1
5,720
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` from queue import Queue import sys cost = [] #coo def readarray(): return map(int, input().split(' ')) n = int(input()) graph = [[] for i in range(n)] for i in range(n - 1): u, v, c = readarray() u, v = u - 1, v - 1 cost.append(c) ...
output
1
2,860
1
5,721
Provide tags and a correct Python 3 solution for this coding contest problem. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities are numbered by integers from 1 to n, and ...
instruction
0
2,861
1
5,722
Tags: combinatorics, dfs and similar, graphs, trees 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
2,861
1
5,723
Provide tags and a correct Python 3 solution for this coding contest problem. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities are numbered by integers from 1 to n, and ...
instruction
0
2,862
1
5,724
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import sys sys.setrecursionlimit(1500) MAX = 100005; g = [[] for _ in range(MAX)] vis = [False] * MAX dp = [0] * MAX prod = [0] * MAX edges = [] order = [] def dfs(st): stack = [] stack.append((st, -1)) vis[st] = True while stac...
output
1
2,862
1
5,725
Provide tags and a correct Python 3 solution for this coding contest problem. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities are numbered by integers from 1 to n, and ...
instruction
0
2,863
1
5,726
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import os import sys from io import BytesIO, IOBase from types import GeneratorType from collections import defaultdict BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() ...
output
1
2,863
1
5,727
Provide tags and a correct Python 3 solution for this coding contest problem. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The cities are numbered by integers from 1 to n, and ...
instruction
0
2,864
1
5,728
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` from queue import Queue import sys cost = [] def readarray(): return map(int, input().split(' ')) n = int(input()) graph = [[] for i in range(n)] for i in range(n - 1): u, v, c = readarray() u, v = u - 1, v - 1 cost.append(c) graph[u].ap...
output
1
2,864
1
5,729
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The ci...
instruction
0
2,865
1
5,730
No
output
1
2,865
1
5,731
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The ci...
instruction
0
2,866
1
5,732
No
output
1
2,866
1
5,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The ci...
instruction
0
2,867
1
5,734
No
output
1
2,867
1
5,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. New Year is coming in Tree World! In this world, as the name implies, there are n cities connected by n - 1 roads, and for any two distinct cities there always exists a path between them. The ci...
instruction
0
2,868
1
5,736
No
output
1
2,868
1
5,737
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,869
1
5,738
Tags: dfs and similar, greedy, implementation Correct Solution: ``` n = int(input()) arr = list(map(int, input().split())) ans = 0 b = 2 ** (n + 1) - 3 while n != 0: n -= 1 #print(n) p = 2 ** (n + 1) - 3 while b != p: ans += abs(arr[b] - arr[b - 1]) arr[b // 2 - 1] += max(arr[b], arr[b -...
output
1
2,869
1
5,739
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,870
1
5,740
Tags: dfs and similar, greedy, implementation Correct Solution: ``` def main(): n, l, res = 2 ** (int(input()) + 1) - 2, [0, 0], 0 l.extend(map(int, input().split())) while n: a, b = l[n], l[n + 1] if a < b: l[n // 2] += b res += b - a else: l[n //...
output
1
2,870
1
5,741
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,871
1
5,742
Tags: dfs and similar, greedy, implementation Correct Solution: ``` # fin = open("input.txt") # n = int(fin.readline()) # A = [0] + list(map(int, fin.readline().split())) n = int(input()) A = [0] + list(map(int, input().split())) C = 0 for i in range(2 ** n - 2, -1, -1): C += abs(A[i * 2 + 1] - A[i * 2 + 2]) A[i] += ...
output
1
2,871
1
5,743
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,872
1
5,744
Tags: dfs and similar, greedy, implementation Correct Solution: ``` s = 0 n = int(input()) k = (1 << (n + 1)) - 1 a = [0, 0] + list(map(int, input().split())) for i in range(k, 1, -2): u, v = a[i], a[i - 1] if u > v: u, v = v, u s += v - u a[i >> 1] += v print(s) ```
output
1
2,872
1
5,745
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,873
1
5,746
Tags: dfs and similar, greedy, implementation Correct Solution: ``` #!python3 n = int(input()) a = input().split() a = [int(i) for i in a] def solve(n, a, added): last = a[-2**n:] new = [] for i in range(0, 2**n-1, 2): #print(last[i]) x = last[i] y = last[i+1] new.append(max(x,y)) added = added + abs(x-y...
output
1
2,873
1
5,747
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,874
1
5,748
Tags: dfs and similar, greedy, implementation Correct Solution: ``` n = 2**(int(input())+1)-1; a = [0,0] + list(map(int,input().split())) r = 0 while n>1: a[n//2] += max(a[n], a[n-1]) r += abs(a[n]-a[n-1]) n -= 2 print(r) ```
output
1
2,874
1
5,749
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,875
1
5,750
Tags: dfs and similar, greedy, implementation Correct Solution: ``` n = int(input()) l = list(map(int,input().split())) l = [0]+l top = 1 lim = 2**(n+1)-1 count = 0 def solver(top): global count left = top*2+1 right = 2+ top*2 if(left>lim or right>lim): #print(top,"ret ",l[top]) return l...
output
1
2,875
1
5,751
Provide tags and a correct Python 3 solution for this coding contest problem. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even somebody as fearless as Om Nom, so he asks you to...
instruction
0
2,876
1
5,752
Tags: dfs and similar, greedy, implementation Correct Solution: ``` from math import floor def main(): n = int(input()) a = list(map(int, input().split())) streets = [] for i in range(2**n, 2**(n+1)): #print('---') idx = i #print(idx) if idx > 1: #print('Cost: %d' % a[idx-2]) res = a[idx-2] ...
output
1
2,876
1
5,753
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,877
1
5,754
Yes
output
1
2,877
1
5,755
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,878
1
5,756
Yes
output
1
2,878
1
5,757
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,879
1
5,758
Yes
output
1
2,879
1
5,759
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,880
1
5,760
Yes
output
1
2,880
1
5,761
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,881
1
5,762
No
output
1
2,881
1
5,763
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,882
1
5,764
No
output
1
2,882
1
5,765
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,883
1
5,766
No
output
1
2,883
1
5,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other side of the park. However the dark old parks can scare even so...
instruction
0
2,884
1
5,768
No
output
1
2,884
1
5,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In an unspecified solar system, there are N planets. A space government company has recently hired space contractors to build M bidirectional Hyperspace™ highways, each connecting two different ...
instruction
0
3,359
1
6,718
No
output
1
3,359
1
6,719
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In an unspecified solar system, there are N planets. A space government company has recently hired space contractors to build M bidirectional Hyperspace™ highways, each connecting two different ...
instruction
0
3,360
1
6,720
No
output
1
3,360
1
6,721
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In an unspecified solar system, there are N planets. A space government company has recently hired space contractors to build M bidirectional Hyperspace™ highways, each connecting two different ...
instruction
0
3,361
1
6,722
No
output
1
3,361
1
6,723
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In an unspecified solar system, there are N planets. A space government company has recently hired space contractors to build M bidirectional Hyperspace™ highways, each connecting two different ...
instruction
0
3,362
1
6,724
No
output
1
3,362
1
6,725
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,499
1
6,998
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` from collections import deque import sys from array import array # noqa: F401 import typing as Tp # noqa: F401 def input(): return sys.stdin.buffer.readline().decode('utf-8') def bfs(n, adj, start): cost = [-1] * n cost[...
output
1
3,499
1
6,999
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,500
1
7,000
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` import math import random import sys from bisect import bisect_left, bisect_right from collections import Counter, UserDict, defaultdict, deque, namedtuple from functools import cmp_to_key, lru_cache, reduce from heapq import heapify, hea...
output
1
3,500
1
7,001
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,501
1
7,002
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` from itertools import accumulate from collections import deque def BFS(adj,level,s): queue=deque([s]) level[s]=0 while queue: s=queue.popleft() for i in adj[s]: if level[i]==-1: qu...
output
1
3,501
1
7,003
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,502
1
7,004
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` """ Template written to be used by Python Programmers. Use at your own risk!!!! Owned by adi0311(5 star at CodeChef and Specialist at Codeforces). """ # import io, os import sys from functools import lru_cache, cmp_to_key from...
output
1
3,502
1
7,005
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,503
1
7,006
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` import bisect import os from collections import Counter import bisect from collections import defaultdict import math import random import heapq as hq from math import sqrt import sys from functools import reduce, cmp_to_key from collecti...
output
1
3,503
1
7,007
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,504
1
7,008
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` import sys from collections import deque from itertools import accumulate def bfs(n, s, links): q = deque([(0, s)]) visited = set() distances = [0] * n while q: d, v = q.popleft() if v in visited: ...
output
1
3,504
1
7,009
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,505
1
7,010
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` import sys from collections import deque def input(): return sys.stdin.readline()[:-1] INF = 10**6 t = int(input()) for _ in range(t): n, m, a, b, c = map(int, input().split()) a, b, c = a-1, b-1, c-1 p = list(map(int, input().split(...
output
1
3,505
1
7,011
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a path between each pair of vertices (districts). ...
instruction
0
3,506
1
7,012
Tags: brute force, graphs, greedy, shortest paths, sortings Correct Solution: ``` from sys import stdin input=stdin.readline def bfs(g,r): it=-1 p=[0]*len(g) q=[r] v=[0]*len(g) while(it<len(q)-1): it+=1 v[q[it]]=1 for i in range(len(g[q[it]])): if v[g[q[it]][i]]==...
output
1
3,506
1
7,013
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a pa...
instruction
0
3,507
1
7,014
Yes
output
1
3,507
1
7,015
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a pa...
instruction
0
3,508
1
7,016
Yes
output
1
3,508
1
7,017
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a pa...
instruction
0
3,509
1
7,018
Yes
output
1
3,509
1
7,019
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a pa...
instruction
0
3,510
1
7,020
Yes
output
1
3,510
1
7,021
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are given an undirected unweighted graph consisting of n vertices and m edges (which represents the map of Bertown) and the array of prices p of length m. It is guaranteed that there is a pa...
instruction
0
3,511
1
7,022
No
output
1
3,511
1
7,023