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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Kolya loves putting gnomes at the circle table and giving them coins, and Tanya loves studying triplets of gnomes, sitting in the vertexes of an equilateral triangle. More formally, there are 3...
instruction
0
99,842
14
199,684
No
output
1
99,842
14
199,685
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Kolya loves putting gnomes at the circle table and giving them coins, and Tanya loves studying triplets of gnomes, sitting in the vertexes of an equilateral triangle. More formally, there are 3...
instruction
0
99,843
14
199,686
No
output
1
99,843
14
199,687
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Kolya loves putting gnomes at the circle table and giving them coins, and Tanya loves studying triplets of gnomes, sitting in the vertexes of an equilateral triangle. More formally, there are 3...
instruction
0
99,844
14
199,688
No
output
1
99,844
14
199,689
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,961
14
199,922
Tags: dfs and similar, dsu, graphs Correct Solution: ``` def sum_num(num): num = num-1 sum = 0 while num>0: sum+=num num = num-1 return sum class UnionFindSet(object): def __init__(self, data_list): self.father_dict = {} self.size_dict = {} self.m_num = {} ...
output
1
99,961
14
199,923
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,962
14
199,924
Tags: dfs and similar, dsu, graphs Correct Solution: ``` from collections import deque def bfs(start): res = [] queue = deque([start]) while queue: vertex = queue.pop() if not vis[vertex]: vis[vertex] = 1 res.append(vertex) for i in s[vertex]: ...
output
1
99,962
14
199,925
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,963
14
199,926
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys,threading sys.setrecursionlimit(10**6) threading.stack_size(10**8) def main(): global al,va,ca,ml,ec,v,z n,m=map(int,input().split()) ml=[-1]*(n+1) al=[[]for i in range(n+1)] for i in range(m): ...
output
1
99,963
14
199,927
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,964
14
199,928
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys n,m = map(int,input().split()) store = [set([i]) for i in range(n+1)] for i in range(m): a,b = map(int,input().split()) store[a].update([a,b]) store[b].update([a,b]) # print(store) no = 0 """cnt is a array of track which item are checked...
output
1
99,964
14
199,929
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,965
14
199,930
Tags: dfs and similar, dsu, graphs Correct Solution: ``` from collections import defaultdict from sys import stdin from math import factorial def arr_inp(n): if n == 1: return [int(x) for x in stdin.readline().split()] elif n == 2: return [float(x) for x in stdin.readline().split()] else: ...
output
1
99,965
14
199,931
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,966
14
199,932
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys import collections def bfs(u, adjList, vis): dq = collections.deque() dq.append(u) vis[u] = True edgeCnt = 0 vertexCnt = 0 while dq: u = dq.popleft() vertexCnt += 1 edgeCnt += len(adjList[u]) ...
output
1
99,966
14
199,933
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,967
14
199,934
Tags: dfs and similar, dsu, graphs Correct Solution: ``` inp = lambda : map(int, input().split()) n, m = inp() lines = [set([i]) for i in range(n + 1)] for i in range(m): x, y = inp() lines[x].add(y) lines[y].add(x) f = [True] * (n + 1) for i in range(n): if f[i]: f[i] = False for j in l...
output
1
99,967
14
199,935
Provide tags and a correct Python 3 solution for this coding contest problem. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered 1 through n. m pairs of members are friends. Of...
instruction
0
99,968
14
199,936
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys,os,io import math,bisect,operator inf,mod = float('inf'),10**9+7 # sys.setrecursionlimit(10 ** 6) from itertools import groupby,accumulate from heapq import heapify,heappop,heappush from collections import deque,Counter,defaultdict input = iter(sys.std...
output
1
99,968
14
199,937
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,969
14
199,938
Yes
output
1
99,969
14
199,939
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,970
14
199,940
Yes
output
1
99,970
14
199,941
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,971
14
199,942
Yes
output
1
99,971
14
199,943
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,972
14
199,944
Yes
output
1
99,972
14
199,945
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,973
14
199,946
No
output
1
99,973
14
199,947
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,974
14
199,948
No
output
1
99,974
14
199,949
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,975
14
199,950
No
output
1
99,975
14
199,951
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Bear Limak examines a social network. Its main functionality is that two members can become friends (then they can talk with each other and share funny pictures). There are n members, numbered ...
instruction
0
99,976
14
199,952
No
output
1
99,976
14
199,953
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,061
14
200,122
Tags: data structures, greedy, implementation Correct Solution: ``` n = int(input()) seats = list(map(int, input().split())) sarr = list(zip(seats, range(1, n+1))) sarr.sort() sarr = [i[1] for i in sarr] ans = [] k = 0 for i in input(): if i == '0': print(sarr[k], end = " ") ans.append(sarr[k]) ...
output
1
100,061
14
200,123
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,062
14
200,124
Tags: data structures, greedy, implementation Correct Solution: ``` # -*- coding: utf-8 -*- # Baqir Khan # Software Engineer (Backend) from sys import stdin inp = stdin.readline n = int(inp()) a = [(int(ele), i + 1) for i, ele in enumerate(inp().split())] s = inp().strip() ans = [0] * (2* n) partially_filled = [] ...
output
1
100,062
14
200,125
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,063
14
200,126
Tags: data structures, greedy, implementation Correct Solution: ``` n = int(input()) w = [[-int(x), i + 1] for (i, x) in enumerate(input().split(' '))] w.sort(key = lambda x : x[0]) m = input() e = []; res = []; for x in m: if x == '0': res.append(w[len(w) - 1][1]) e.append(w.pop()[1]) else: ...
output
1
100,063
14
200,127
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,064
14
200,128
Tags: data structures, greedy, implementation Correct Solution: ``` n=int(input()) l=list(map(int,input().split())) a={} for t in range(n): a[l[t]]=t+1 c=a.items() b=sorted(c,reverse=True) f=[] p=[] k=input() for i in k: if i=="0": x=b.pop() f.append(x) p.append(x[1]) else: ...
output
1
100,064
14
200,129
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,065
14
200,130
Tags: data structures, greedy, implementation Correct Solution: ``` n = int(input()) widths = [(int(x), c) for c, x in enumerate(input().split())] widths.sort() passengers = input() seating = "" stack = [] i = 0 for pi in passengers: if pi == '1': seating += str(stack[-1][1]+1) + " " stack.pop() else: sta...
output
1
100,065
14
200,131
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,066
14
200,132
Tags: data structures, greedy, implementation Correct Solution: ``` def main(): n = int(input()) w = input().split() w = sorted([[int(w[i]), i + 1] for i in range(n)]) introindex = 0 result = [] introPlaces = [] for passenger in input(): if passenger == '0': result.appen...
output
1
100,066
14
200,133
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,067
14
200,134
Tags: data structures, greedy, implementation Correct Solution: ``` N = int(input()) Width = [int(x) for x in input().split()] Input_Order = [int(x) for x in list(input())] Sorted_Width = sorted(Width) Data = {Width[x]:x for x in range(0,N)} A = [] B = [] position = 0 for x in range(0,2*N): if Input_Order[x]==0: ...
output
1
100,067
14
200,135
Provide tags and a correct Python 3 solution for this coding contest problem. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On each of 2n stops one passenger enters the bus....
instruction
0
100,068
14
200,136
Tags: data structures, greedy, implementation Correct Solution: ``` """Problem B - Bus of Characters. http://codeforces.com/contest/982/problem/B In the Bus of Characters there are `n` rows of seat, each having `2` seats. The width of both seats in the `i`-th row is `w_i` centimeters. All integers `w_i` are distinct....
output
1
100,068
14
200,137
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,069
14
200,138
Yes
output
1
100,069
14
200,139
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,070
14
200,140
Yes
output
1
100,070
14
200,141
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,071
14
200,142
Yes
output
1
100,071
14
200,143
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,072
14
200,144
Yes
output
1
100,072
14
200,145
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,073
14
200,146
No
output
1
100,073
14
200,147
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,074
14
200,148
No
output
1
100,074
14
200,149
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,075
14
200,150
No
output
1
100,075
14
200,151
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the Bus of Characters there are n rows of seat, each having 2 seats. The width of both seats in the i-th row is w_i centimeters. All integers w_i are distinct. Initially the bus is empty. On...
instruction
0
100,076
14
200,152
No
output
1
100,076
14
200,153
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,368
14
200,736
Tags: constructive algorithms, dsu Correct Solution: ``` from math import * from collections import * import sys sys.setrecursionlimit(10**9) def find(x): if (p[x] == x): return x p[x] = find(p[x]) return p[x] def merge(x,y): a = find(x) b = find(y) #print(a,b) if(a != b): ...
output
1
100,368
14
200,737
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,369
14
200,738
Tags: constructive algorithms, dsu Correct Solution: ``` n=int(input()) d={} for i in range(n-1): a,b=map(int,input().split()) if (a not in d.keys()) and (b not in d.keys()): d[a]=[a,b] d[b]=d[a] elif (a in d.keys()) and (b not in d.keys()): d[a]+=[b] d[b]=d[a] elif (a no...
output
1
100,369
14
200,739
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,370
14
200,740
Tags: constructive algorithms, dsu Correct Solution: ``` n, = map(int, input().split()) p = [i for i in range(0,n+1)] def find(i): if p[i] == i: return i par = find(p[i]) p[i] = par return par def join(a,b): p[find(a)] = find(b) N = [-1 for i in range(0,n+1)] class List: def __ini...
output
1
100,370
14
200,741
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,371
14
200,742
Tags: constructive algorithms, dsu Correct Solution: ``` n = int(input()) parent = [i for i in range(n+1)] group = [[i] for i in range(n+1)] for i in range(n-1): x, y = map(int, input().split()) if len(group[parent[x]]) < len(group[parent[y]]): x, y = y, x group[parent[x]] += group[parent[y]] ...
output
1
100,371
14
200,743
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,372
14
200,744
Tags: constructive algorithms, dsu Correct Solution: ``` n = int(input()) ks = [[0]] for i in range(n): ks.append([i + 1]) for _ in range(n - 1): a, b = map(int, input().split()) while type(ks[a]) == int: a = ks[a] while type(ks[b]) == int: b = ks[b] if len(ks[a]) >= len(ks[b]): ...
output
1
100,372
14
200,745
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,373
14
200,746
Tags: constructive algorithms, dsu Correct Solution: ``` import sys input=sys.stdin.readline n=int(input()) p=[list(map(int,input().split())) for i in range(n-1)] g=[i for i in range(n+1)] def find(x): while(g[x]!=x): x=g[x] return x def union(x,y): if find(x)!=find(y): g[find(x)]=g[find(y)]...
output
1
100,373
14
200,747
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,374
14
200,748
Tags: constructive algorithms, dsu Correct Solution: ``` n = int(input()) class Element: def __init__(self, x): self.things = [x] self.rep = x class DisjSet: def __init__(self, n): # Constructor to create and # initialize sets of n items self.rank = [1] * n se...
output
1
100,374
14
200,749
Provide tags and a correct Python 3 solution for this coding contest problem. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers from 1 to n from left to right. Adjacent cells h...
instruction
0
100,375
14
200,750
Tags: constructive algorithms, dsu Correct Solution: ``` import sys input = sys.stdin.readline class Unionfind: def __init__(self, n): self.par = [-1]*n self.left = [-1]*n self.right = [-1]*n self.most_right = [i for i in range(n)] def root(self, x): p = x ...
output
1
100,375
14
200,751
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,376
14
200,752
Yes
output
1
100,376
14
200,753
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,377
14
200,754
Yes
output
1
100,377
14
200,755
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,378
14
200,756
Yes
output
1
100,378
14
200,757
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,379
14
200,758
Yes
output
1
100,379
14
200,759
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,380
14
200,760
No
output
1
100,380
14
200,761
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,381
14
200,762
No
output
1
100,381
14
200,763
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Asya loves animals very much. Recently, she purchased n kittens, enumerated them from 1 and n and then put them into the cage. The cage consists of one row of n cells, enumerated with integers f...
instruction
0
100,382
14
200,764
No
output
1
100,382
14
200,765