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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n railway stations in Berland. They are connected to each other by n-1 railway sections. The railway network is connected, i.e. can be represented as an undirected tree. You have a ma...
instruction
0
105,383
1
210,766
No
output
1
105,383
1
210,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n railway stations in Berland. They are connected to each other by n-1 railway sections. The railway network is connected, i.e. can be represented as an undirected tree. You have a ma...
instruction
0
105,384
1
210,768
No
output
1
105,384
1
210,769
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n railway stations in Berland. They are connected to each other by n-1 railway sections. The railway network is connected, i.e. can be represented as an undirected tree. You have a ma...
instruction
0
105,385
1
210,770
No
output
1
105,385
1
210,771
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n railway stations in Berland. They are connected to each other by n-1 railway sections. The railway network is connected, i.e. can be represented as an undirected tree. You have a ma...
instruction
0
105,386
1
210,772
No
output
1
105,386
1
210,773
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,387
1
210,774
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` n = int(input()) lis = list(map(int,input().split())) d = {} for i in range(n): v = lis[i]-i if d.get(v): d[v] += lis[i] else: d[v] = lis[i] m = 0 for k in d.values(): m = max(m,k) print(m) ```
output
1
105,387
1
210,775
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,388
1
210,776
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` input() l=list(map(int,input().split())) d={} i=1 for x in l: d[x-i]=d.get(x-i,0)+x i+=1 print(max(d.values())) ```
output
1
105,388
1
210,777
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,389
1
210,778
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` n = int(input()) b = list(map(int, input().split())) a = [b[i] - i for i in range(n)] c = dict() for i in range(n): if a[i] in c: c[a[i]] += b[i] else: c[a[i]] = b[i] print(max(c.values())) ```
output
1
105,389
1
210,779
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,390
1
210,780
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` n = int(input()) arr = list(map(int,input().split())) dict = {} maxi = 0 for i in range(len(arr)): try: temp = dict[i-arr[i]] dict[i-arr[i]] = temp + arr[i] if(maxi<temp + arr[i]): maxi = temp + arr[i] except: dict[i-arr[i]] = arr[i] ...
output
1
105,390
1
210,781
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,391
1
210,782
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` import sys n = int(sys.stdin.readline().strip()) b = list(map(int, sys.stdin.readline().strip().split())) a = [0] * n for i in range (0, n): a[i] = b[i] - i x = [0] * 10 ** 6 for i in range (0, n): x[3 * 10 ** 5 + a[i]] = x[3 * 10 ** 5 + a...
output
1
105,391
1
210,783
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,392
1
210,784
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` n=int(input()) b=list(map(int, input().split())) List=[] for i in range(n): List.append([b[i]-(i+1), b[i]]) List.sort() maxim=0 for i in range(1, len(List)): if List[i][0]==List[i-1][0]: List[i][1]+=List[i-1][1] maxim=max(List[i...
output
1
105,392
1
210,785
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,393
1
210,786
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` import sys n=int(input()) if 1<=n <=2*(10**5): lst=list(map(int,input().split())) if len(lst)<n: print("Enter all the input correctly.") sys.exit(1) g = {} for j in range(n): g[lst[j] - j] = g.get(lst[j] - j...
output
1
105,393
1
210,787
Provide tags and a correct Python 3 solution for this coding contest problem. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her journey as follows. First of all, she will choose ...
instruction
0
105,394
1
210,788
Tags: data structures, dp, greedy, math, sortings Correct Solution: ``` from collections import defaultdict input() vals = list(map(int, input().split())) uwu = defaultdict(list) [uwu[val - i].append(val) for i, val in enumerate(vals)] print(max([sum(god) for god in uwu.values()])) ```
output
1
105,394
1
210,789
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,395
1
210,790
Yes
output
1
105,395
1
210,791
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,396
1
210,792
Yes
output
1
105,396
1
210,793
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,397
1
210,794
Yes
output
1
105,397
1
210,795
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,398
1
210,796
Yes
output
1
105,398
1
210,797
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,399
1
210,798
No
output
1
105,399
1
210,799
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,400
1
210,800
No
output
1
105,400
1
210,801
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,401
1
210,802
No
output
1
105,401
1
210,803
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Tanya wants to go on a journey across the cities of Berland. There are n cities situated along the main railroad line of Berland, and these cities are numbered from 1 to n. Tanya plans her jou...
instruction
0
105,402
1
210,804
No
output
1
105,402
1
210,805
Provide tags and a correct Python 3 solution for this coding contest problem. LiLand is a country, consisting of n cities. The cities are numbered from 1 to n. The country is well known because it has a very strange transportation system. There are many one-way flights that make it possible to travel between the citie...
instruction
0
105,558
1
211,116
Tags: graphs, shortest paths Correct Solution: ``` #Flights from queue import Queue def BFS(node ,mk,G): q = Queue() q.put(node) mk[node] = True while not q.empty(): top = q.get() for ady in G[top]: if not mk[ady]: mk[ady] = True q.put(ady) ...
output
1
105,558
1
211,117
Provide tags and a correct Python 3 solution for this coding contest problem. A motorcade of n trucks, driving from city Β«ZΒ» to city Β«Π—Β», has approached a tunnel, known as Tunnel of Horror. Among truck drivers there were rumours about monster DravDe, who hunts for drivers in that tunnel. Some drivers fear to go first,...
instruction
0
105,559
1
211,118
Tags: binary search, data structures, dp, hashing Correct Solution: ``` n = int(input()) v = n*[-1] c = n*[-1] L = n*[-1] R = n*[-1] for i in range(n): v[i], c[i], L[i], R[i] = map(int, input().split()) index = [i for i in range(n)] index.sort(key = lambda i: (c[i]+L[i]+R[i], i)) prev = n*[-1] best_res = 0 best_l...
output
1
105,559
1
211,119
Provide a correct Python 3 solution for this coding contest problem. The city of Kyoto is well-known for its Chinese plan: streets are either North-South or East-West. Some streets are numbered, but most of them have real names. Crossings are named after the two streets crossing there, e.g. Kawaramachi-Sanjo is the cr...
instruction
0
106,052
1
212,104
"Correct Solution: ``` from collections import deque import sys readline = sys.stdin.readline write = sys.stdout.write def solve(): N = int(readline()) if N == 0: return False L = 0 n_map = {} def get(s): nonlocal L if s in n_map: return n_map[s] n_map[s]...
output
1
106,052
1
212,105
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,131
1
212,262
Tags: implementation Correct Solution: ``` def read(): return set(list(map(int, input().split()))[1:]) n = int(input()) t = read() for _ in range(n - 1): t = t & read() for x in t: print(x, end=' ') print() ```
output
1
106,131
1
212,263
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,132
1
212,264
Tags: implementation Correct Solution: ``` n=int(input()) a=[] min_r=100 min_i=0 for i in range(n): ta=list(map(int,input().split())) r=ta[0] a.append(ta[1:]) if(r<min_r): min_r=r min_i=i #print(min_i) for i in a[min_i]: f=1 for j in range(n): s=i in set(a[j]) if(...
output
1
106,132
1
212,265
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,133
1
212,266
Tags: implementation Correct Solution: ``` n = int(input()) d = {} for i in range(n): s = input().split() for j in range(int(s[0])): d[s[j+1]] = d.get(s[j+1],0)+1 ans = "" for x in d: if d[x] == n: ans += str(x) + ' ' print(ans.strip()) ```
output
1
106,133
1
212,267
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,134
1
212,268
Tags: implementation Correct Solution: ``` n = int(input()) arr = [] for i in range(n): arr.append(set([int(i) for i in input().split()][1:])) x = arr[0]&arr[1] for i in range(2,len(arr)): x &= arr[i] print(*x) ```
output
1
106,134
1
212,269
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,135
1
212,270
Tags: implementation Correct Solution: ``` # -*- coding: utf-8 -*- N = int(input()) for i in range(N): lines = list(map(str, input().split())) lines = lines[1:] if i == 0: res = set(lines) else: res &= set(lines) print(' '.join(res)) ```
output
1
106,135
1
212,271
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,136
1
212,272
Tags: implementation Correct Solution: ``` def main(): from sys import stdin, stdout input = stdin.readline print = stdout.write n = int(input()) a = [0 for i in range(100)] for i in range(n): for e in map(int, input().split()[1:]): a[e-1] += 1 for i, e in...
output
1
106,136
1
212,273
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,137
1
212,274
Tags: implementation Correct Solution: ``` n = int(input()) line = list(map(int, input().split())) r = line[0] variants = set(line[1:]) for i in range(1, n): line = list(map(int, input().split())) r = line[0] var = set(line[1:]) variants.intersection_update(var) for v in variants: print(v, end=' ')...
output
1
106,137
1
212,275
Provide tags and a correct Python 3 solution for this coding contest problem. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tram, he realized that he was not sure about the l...
instruction
0
106,138
1
212,276
Tags: implementation Correct Solution: ``` n = int(input()) res = {i for i in range(1, 101)} for _ in range(n): res &= set(map(int, input().split()[1:])) print(*res) ```
output
1
106,138
1
212,277
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,139
1
212,278
Yes
output
1
106,139
1
212,279
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,140
1
212,280
Yes
output
1
106,140
1
212,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,141
1
212,282
Yes
output
1
106,141
1
212,283
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,142
1
212,284
Yes
output
1
106,142
1
212,285
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,143
1
212,286
No
output
1
106,143
1
212,287
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,144
1
212,288
No
output
1
106,144
1
212,289
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,145
1
212,290
No
output
1
106,145
1
212,291
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Arkady's morning seemed to be straight of his nightmare. He overslept through the whole morning and, still half-asleep, got into the tram that arrived the first. Some time after, leaving the tra...
instruction
0
106,146
1
212,292
No
output
1
106,146
1
212,293
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,929
1
213,858
"Correct Solution: ``` # -*- coding:utf-8 -*- def main(): LIST=[] while True: try: IN=int(input()) if IN==0: print(LIST[len(LIST)-1]) del LIST[len(LIST)-1] else: LIST.append(IN) except: break ...
output
1
106,929
1
213,859
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,930
1
213,860
"Correct Solution: ``` # coding=utf-8 if __name__ == '__main__': train_list = [] while True: try: n = int(input()) except EOFError: break if n == 0: leaving = train_list.pop() print(leaving) else: train_list.append(n) ...
output
1
106,930
1
213,861
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,931
1
213,862
"Correct Solution: ``` import sys a=[] stack=[] for line in sys.stdin: a.append(int(line)) for i in range(len(a)): if a[i]==0: print(stack[-1]) del stack[-1] else:stack.append(a[i]) ```
output
1
106,931
1
213,863
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,932
1
213,864
"Correct Solution: ``` import sys x=[] u=[] for line in sys.stdin.readlines(): y=int(line) if(y!=0): x.append(y) else: u.append(x.pop(-1)) for i in range(len(u)): print(u[i]) ```
output
1
106,932
1
213,865
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,933
1
213,866
"Correct Solution: ``` import sys stack = [] for nstr in sys.stdin: n = int(nstr) if n == 0: print(stack.pop()) else: stack.append(n) ```
output
1
106,933
1
213,867
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,934
1
213,868
"Correct Solution: ``` car = [] while 1: try: i = int(input()) if i == 0: print(car.pop()) else: car.append(i) except ValueError: print(car) for j in range(len(car)): print(car.pop()) break except EOFError: break ...
output
1
106,934
1
213,869
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,935
1
213,870
"Correct Solution: ``` import sys s = [] [print(s.pop()) if int(e) == 0 else s.append(int(e)) for e in sys.stdin] ```
output
1
106,935
1
213,871
Provide a correct Python 3 solution for this coding contest problem. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respec...
instruction
0
106,936
1
213,872
"Correct Solution: ``` D=[] while True: try: n=int(input()) if n==0: print(D.pop(-1)) else: D.append(n) except EOFError: break ```
output
1
106,936
1
213,873
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for th...
instruction
0
106,937
1
213,874
Yes
output
1
106,937
1
213,875
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for th...
instruction
0
106,938
1
213,876
Yes
output
1
106,938
1
213,877
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. <image> This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for th...
instruction
0
106,939
1
213,878
Yes
output
1
106,939
1
213,879