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Provide a correct Python 3 solution for this coding contest problem. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vertex X and Vertex Y. For each k=1,2,...,N-1, solve the ...
instruction
0
8,860
13
17,720
"Correct Solution: ``` n,x,y=map(int,input().split()) l=[0]*~-n for i in range(1,n): for j in range(i):l[min(~j+i,abs(~j+x)+abs(~i+y))]+=1 print(*l) ```
output
1
8,860
13
17,721
Provide a correct Python 3 solution for this coding contest problem. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vertex X and Vertex Y. For each k=1,2,...,N-1, solve the ...
instruction
0
8,861
13
17,722
"Correct Solution: ``` n, x, y = map(int, input().split()) l = [0] * (n-1) for i in range(1, n): for j in range(i+1, n+1): s = min(j-i, abs(x-i)+abs(j-y)+1) l[s-1] += 1 for i in l: print(i) ```
output
1
8,861
13
17,723
Provide a correct Python 3 solution for this coding contest problem. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vertex X and Vertex Y. For each k=1,2,...,N-1, solve the ...
instruction
0
8,862
13
17,724
"Correct Solution: ``` n,x,y = map(int, input().split()) a = [0] * (n-1) for i in range(1,n): for j in range(i+1 ,n+1): d = min(j-i, 1 + abs(j-y) + abs(i-x)) - 1 a[d] += 1 print(*a, sep="\n") ```
output
1
8,862
13
17,725
Provide a correct Python 3 solution for this coding contest problem. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vertex X and Vertex Y. For each k=1,2,...,N-1, solve the ...
instruction
0
8,863
13
17,726
"Correct Solution: ``` n,x,y=map(int,input().split()) min_dist=[0]*(n-1) for i in range(n): for j in range(i+1,n): min_dist[min(j-i-1,abs(x-1-i)+abs(y-1-j))]+=1 for ans in min_dist: print(ans) ```
output
1
8,863
13
17,727
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,864
13
17,728
Yes
output
1
8,864
13
17,729
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,865
13
17,730
Yes
output
1
8,865
13
17,731
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,866
13
17,732
Yes
output
1
8,866
13
17,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,867
13
17,734
Yes
output
1
8,867
13
17,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,868
13
17,736
No
output
1
8,868
13
17,737
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,869
13
17,738
No
output
1
8,869
13
17,739
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,870
13
17,740
No
output
1
8,870
13
17,741
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We have an undirected graph G with N vertices numbered 1 to N and N edges as follows: * For each i=1,2,...,N-1, there is an edge between Vertex i and Vertex i+1. * There is an edge between Vert...
instruction
0
8,871
13
17,742
No
output
1
8,871
13
17,743
Provide a correct Python 3 solution for this coding contest problem. J - Tree Reconstruction Problem Statement You have a directed graph. Some non-negative value is assigned on each edge of the graph. You know that the value of the graph satisfies the flow conservation law That is, for every node v, the sum of value...
instruction
0
9,021
13
18,042
"Correct Solution: ``` from collections import deque import sys readline = sys.stdin.readline write = sys.stdout.write def solve(): N, M = map(int, readline().split()) G = [[] for i in range(N)] for i in range(M): s, t = map(int, readline().split()) G[s-1].append(t-1) used = [0]*N c...
output
1
9,021
13
18,043
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,281
13
18,562
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import queue def number_of_simple_path(g, n): leafs = queue.Queue() for i in range(n): if len(g[i]) == 1: leafs.put(i) val = [1] * n while leafs.empty() != True: v = leafs.get() to = g[v].pop() val[to] += val[v] val[v] = 0 g...
output
1
9,281
13
18,563
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,282
13
18,564
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import sys input = sys.stdin.readline import copy t=int(input()) for tests in range(t): n=int(input()) E=[set() for i in range(n)] D=[0]*n for i in range(n): x,y=map(int,input().split()) x-=1 y-=1 ...
output
1
9,282
13
18,565
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,283
13
18,566
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import sys import math import bisect from sys import stdin, stdout from math import gcd, floor, sqrt, log, ceil from collections import defaultdict as dd from collections import Counter as cc from bisect import bisect_left as bl from bisect impor...
output
1
9,283
13
18,567
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,284
13
18,568
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` #!/usr/bin/env python3 import sys import copy from collections import defaultdict, deque input = sys.stdin.readline def dfs(start, graph): ''' Pythonic-stack dfs ''' visited = {start} d = deque(graph[start]) while d: v =...
output
1
9,284
13
18,569
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,285
13
18,570
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import sys input = sys.stdin.buffer.readline def prog(): for _ in range(int(input())): n = int(input()) adj = [[] for i in range(n+1)] paths = (n)*(n-1)//2 for i in range(n): u,v = map(int,input().s...
output
1
9,285
13
18,571
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,286
13
18,572
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` from collections import deque import sys import math def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def MI(): return map(int, sys.stdin.readline().split()) def SI(): return sys.s...
output
1
9,286
13
18,573
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,287
13
18,574
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` # by the authority of GOD author: manhar singh sachdev # import os,sys from io import BytesIO,IOBase from copy import deepcopy def detect_cycle(n,path): st = [1] visi = [1,1]+[0]*(n-1) while len(st): if not len(path[st[-...
output
1
9,287
13
18,575
Provide tags and a correct Python 3 solution for this coding contest problem. You are given an undirected graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and there are no self-loops and multiple edges in the...
instruction
0
9,288
13
18,576
Tags: combinatorics, dfs and similar, graphs, trees Correct Solution: ``` import sys import threading from sys import stdin, stdout sys.setrecursionlimit(10**9) threading.stack_size(16*2048*2048) # 1 - 2 - 3 # | | # | - 4 g_set = set() g_res = 0 def number_of_simple_paths(n, dic): global g_set glo...
output
1
9,288
13
18,577
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,289
13
18,578
Yes
output
1
9,289
13
18,579
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,290
13
18,580
Yes
output
1
9,290
13
18,581
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,291
13
18,582
Yes
output
1
9,291
13
18,583
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,292
13
18,584
Yes
output
1
9,292
13
18,585
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,293
13
18,586
No
output
1
9,293
13
18,587
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,294
13
18,588
No
output
1
9,294
13
18,589
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,295
13
18,590
No
output
1
9,295
13
18,591
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 graph consisting of n vertices and n edges. It is guaranteed that the given graph is connected (i. e. it is possible to reach any vertex from any other vertex) and th...
instruction
0
9,296
13
18,592
No
output
1
9,296
13
18,593
Provide tags and a correct Python 3 solution for this coding contest problem. A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n. Limak is a little polar bear. He once had a tree with n vertices but he lost it. He still remembers something about the lost...
instruction
0
9,518
13
19,036
Tags: dfs and similar, dsu, graphs, trees Correct Solution: ``` import sys import math from heapq import *; input = sys.stdin.readline from functools import cmp_to_key; def pi(): return(int(input())) def pl(): return(int(input(), 16)) def ti(): return(list(map(int,input().split()))) def ts(): s = input...
output
1
9,518
13
19,037
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n. Limak is a little polar bear. He once had a tree with n vertices but he lost ...
instruction
0
9,519
13
19,038
No
output
1
9,519
13
19,039
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n. Limak is a little polar bear. He once had a tree with n vertices but he lost ...
instruction
0
9,520
13
19,040
No
output
1
9,520
13
19,041
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n. Limak is a little polar bear. He once had a tree with n vertices but he lost ...
instruction
0
9,521
13
19,042
No
output
1
9,521
13
19,043
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A tree is a connected undirected graph consisting of n vertices and n - 1 edges. Vertices are numbered 1 through n. Limak is a little polar bear. He once had a tree with n vertices but he lost ...
instruction
0
9,522
13
19,044
No
output
1
9,522
13
19,045
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,666
13
19,332
"Correct Solution: ``` def f_lis_on_tree(INF=float('inf')): # 参考: https://note.com/tanon_cp/n/n51ee6db8f5b2 import sys sys.setrecursionlimit(10**7) import bisect N = int(input()) A = [0] + [int(i) for i in input().split()] # 以下、1-origin で考える Edges = [[int(i) for i in input().split()] for j ...
output
1
9,666
13
19,333
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,667
13
19,334
"Correct Solution: ``` from bisect import bisect_left import sys sys.setrecursionlimit(10**6) n=int(input()) a=list(map(int,input().split())) g = [[]for _ in range(n)] for i in range(n-1): u,v=map(int,input().split()) g[u-1].append(v-1) g[v-1].append(u-1) lis = [float('inf')]*n ans = [0]*n def dfs(now, p...
output
1
9,667
13
19,335
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,668
13
19,336
"Correct Solution: ``` from collections import deque from bisect import bisect_left import sys sys.setrecursionlimit(10**7) n=int(input()) a=list(map(int,input().split())) edge=[[] for _ in range(n)] for _ in range(n-1): u,v=map(int,input().split()) u-=1 v-=1 edge[u].append(v) edge[v].append(u) stac...
output
1
9,668
13
19,337
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,669
13
19,338
"Correct Solution: ``` ''' 自宅用PCでの解答 ''' import math #import numpy as np import itertools import queue import bisect from collections import deque,defaultdict import heapq as hpq from sys import stdin,setrecursionlimit #from scipy.sparse.csgraph import dijkstra #from scipy.sparse import csr_matrix ipt = stdin.readline ...
output
1
9,669
13
19,339
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,670
13
19,340
"Correct Solution: ``` import sys input = sys.stdin.buffer.readline sys.setrecursionlimit(10 ** 7) from heapq import heappush, heappop from bisect import bisect_left, bisect_right from collections import deque, defaultdict from itertools import combinations, permutations from itertools import accumulate from math imp...
output
1
9,670
13
19,341
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,671
13
19,342
"Correct Solution: ``` import bisect import sys N = int(input()) a = list(map(int, input().split())) to = [[] for _ in range(N)] for _ in range(N - 1): u, v = map(int, input().split()) u -= 1 v -= 1 to[u].append(v) to[v].append(u) del u, v def dfs(v): if len(dp) == 0 or a[v] > dp[-1]: ...
output
1
9,671
13
19,343
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,672
13
19,344
"Correct Solution: ``` import sys sys.setrecursionlimit(10**7) input = sys.stdin.buffer.readline from bisect import bisect_left n=int(input()) *a,=map(int,input().split()) dp=[float("inf")]*n con=[[] for _ in range(n)] for _ in range(n-1): s,t=map(int,input().split()) con[s-1].append(t-1) con[t-1].append(s-1) ans=[...
output
1
9,672
13
19,345
Provide a correct Python 3 solution for this coding contest problem. We have a tree with N vertices, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: * We will make a sequence by lining up the integers wri...
instruction
0
9,673
13
19,346
"Correct Solution: ``` import sys from bisect import bisect_left def main(): sys.setrecursionlimit(202020) N = int(input()) A = [0] + list(map(int, input().split())) G = [[] for _ in range(N+1)] for _ in range(N-1): u, v = map(int, input().split()) G[u].append(v) G[v].append(...
output
1
9,673
13
19,347
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,674
13
19,348
Yes
output
1
9,674
13
19,349
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,675
13
19,350
Yes
output
1
9,675
13
19,351
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,676
13
19,352
Yes
output
1
9,676
13
19,353
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,677
13
19,354
Yes
output
1
9,677
13
19,355
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,678
13
19,356
No
output
1
9,678
13
19,357
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,679
13
19,358
No
output
1
9,679
13
19,359
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,680
13
19,360
No
output
1
9,680
13
19,361
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, whose i-th edge connects Vertex u_i and Vertex v_i. Vertex i has an integer a_i written on it. For every integer k from 1 through N, solve the following problem: ...
instruction
0
9,681
13
19,362
No
output
1
9,681
13
19,363