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Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,871
1
173,742
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers 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 = f...
output
1
86,871
1
173,743
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,872
1
173,744
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` def BFSMax(s): dist = [100000] * 205 dist[s] = 0 q = [s] while q: t = q.pop() for i in g2[t]: if dist[i] == 100000: dist[i] = dist[t] + 1 q = [i] + q ...
output
1
86,872
1
173,745
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,873
1
173,746
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` __author__ = 'Darren' def solve(): def get_diameter(u): depth, v = dfs(u, set()) return dfs(v, set())[0] def dfs(u, visited): visited.add(u) max_depth, deepest_node = -1, u fo...
output
1
86,873
1
173,747
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,874
1
173,748
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers 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 = f...
output
1
86,874
1
173,749
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,875
1
173,750
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` def put(): return map(int, input().split()) def length(i,p, u,v): vis[i]=1 max_i, max_here_i, sec_max_here_i = 0, 0, 0 for j in tree[i]: if j!=p and (i,j) not in [(u,v), (v,u)]: max_j, max_h...
output
1
86,875
1
173,751
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,876
1
173,752
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` from queue import Queue ans=0 def farthest(u,p): dist = [1<<30] * n q = Queue() q.put(u) dist[u] = 0 while(q.empty() is False): v = q.get() for vv in list[v]: if vv != p and dis...
output
1
86,876
1
173,753
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,877
1
173,754
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` import sys from array import array # noqa: F401 def input(): return sys.stdin.buffer.readline().decode('utf-8') n = int(input()) adj = [[] for _ in range(n)] edges = [[0, 0] for _ in range(n - 1)] for i, (u, v) in enum...
output
1
86,877
1
173,755
Provide tags and a correct Python 3 solution for this coding contest problem. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving along the roads. The «Two Paths» company, where...
instruction
0
86,878
1
173,756
Tags: dfs and similar, dp, graphs, shortest paths, trees, two pointers Correct Solution: ``` # 14D import collections def do(): n = int(input()) g = collections.defaultdict(set) edges = set() for _ in range(n - 1): x, y = map(int, input().split(" ")) g[x].add(y) g[y].add(x) ...
output
1
86,878
1
173,757
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,879
1
173,758
Yes
output
1
86,879
1
173,759
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,880
1
173,760
Yes
output
1
86,880
1
173,761
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,881
1
173,762
Yes
output
1
86,881
1
173,763
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,882
1
173,764
Yes
output
1
86,882
1
173,765
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,883
1
173,766
No
output
1
86,883
1
173,767
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. As you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are numbered from 1 to n. You can get from one city to another moving a...
instruction
0
86,884
1
173,768
No
output
1
86,884
1
173,769
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,287
1
174,574
Tags: brute force, geometry, implementation Correct Solution: ``` import sys from functools import lru_cache, cmp_to_key from heapq import merge, heapify, heappop, heappush from math import ceil, floor, gcd, fabs, factorial, fmod, sqrt, inf, log, pi, sin from collections import defaultdict as dd, deque, Counter as C fr...
output
1
87,287
1
174,575
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,288
1
174,576
Tags: brute force, geometry, implementation Correct Solution: ``` import math n, bus_velocity, student_velocity = map(int, input().split()) stops = list(map(int, input().split())) uni = list(map(int, input().split())) ans = [] for i in range(1, len(stops)): # time = distance/velocity t = stops[i] / bus_velocit...
output
1
87,288
1
174,577
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,289
1
174,578
Tags: brute force, geometry, implementation Correct Solution: ``` inp = list(map(int,input().split())) n=inp[0] vb=inp[1] vs=inp[2] inp = list(map(int,input().split())) from collections import Counter c=Counter([]) for i in range(len(inp)): c[inp[i]]=i+1 inp=inp[1:] tar = list(map(int,input().split())) x=tar[0] y=...
output
1
87,289
1
174,579
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,290
1
174,580
Tags: brute force, geometry, implementation Correct Solution: ``` n, vb, vs = map(int, input().split()) a = list(map(int, input().split())) xu, yu = map(int, input().split()) m = 10000 * 100000 r = ((xu ** 2 + yu ** 2)**0.5) ans = 0 for i in range(1, len(a)): if (((xu - a[i]) ** 2 + yu ** 2)**0.5) / vs + a[i] / vb ...
output
1
87,290
1
174,581
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,291
1
174,582
Tags: brute force, geometry, implementation Correct Solution: ``` import math n, v1, v2 = input().split() n = int(n) v1 = int(v1) v2 = int(v2) t = input().split() x ,y = input().split() x = int(x) y = int(y) min1 = 1 x1 = int(t[1]) d1 = math.sqrt((x-x1)**2+y**2) time1 = x1 / v1 + d1 / v2 for i in range(2, n): x1 = ...
output
1
87,291
1
174,583
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,292
1
174,584
Tags: brute force, geometry, implementation Correct Solution: ``` while True: try: import math def soln(n, vb, vs, a, x2, y2): mint = 10**8*(1.0) #print(mint) pos = 0 for i in range(1,n): x1= a[i] y1 = 0 s = math.sqrt((x2-x1)**2+(y2-y1)**2) t = s/vs + x1/vb #print(t) if t <...
output
1
87,292
1
174,585
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,293
1
174,586
Tags: brute force, geometry, implementation Correct Solution: ``` def dist(x): return ((x - u) ** 2 + v * v) ** .5 n, a, b = map(int, input().split()) *x, = map(int, input().split()) u, v = map(int, input().split()) min_d = min_t = 1e9 min_ind = 0 for i in range(1, n): d = dist(x[i]) tmp = x[i] / a + d / b ...
output
1
87,293
1
174,587
Provide tags and a correct Python 3 solution for this coding contest problem. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, parallel to axis OX, in the direction of increasing x....
instruction
0
87,294
1
174,588
Tags: brute force, geometry, implementation Correct Solution: ``` import os import sys from io import BytesIO, IOBase import math from decimal import * from collections import defaultdict, deque import heapq getcontext().prec = 25 abcd='abcdefghijklmnopqrstuvwxyz' MOD = pow(10, 9) + 7 BUFSIZE = 8192 from bisect import ...
output
1
87,294
1
174,589
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,295
1
174,590
Yes
output
1
87,295
1
174,591
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,296
1
174,592
Yes
output
1
87,296
1
174,593
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,297
1
174,594
Yes
output
1
87,297
1
174,595
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,298
1
174,596
Yes
output
1
87,298
1
174,597
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,299
1
174,598
No
output
1
87,299
1
174,599
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,300
1
174,600
No
output
1
87,300
1
174,601
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,301
1
174,602
No
output
1
87,301
1
174,603
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. And again a misfortune fell on Poor Student. He is being late for an exam. Having rushed to a bus stop that is in point (0, 0), he got on a minibus and they drove along a straight line, paralle...
instruction
0
87,302
1
174,604
No
output
1
87,302
1
174,605
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,352
1
174,704
"Correct Solution: ``` N = int(input()) A = [int(input()) for i in range(5)] print(5 + (N-1)//min(A)) ```
output
1
87,352
1
174,705
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,353
1
174,706
"Correct Solution: ``` n = int(input()) abcde = [int(input()) for _ in range(5)] print(4-(-n//min(abcde))) ```
output
1
87,353
1
174,707
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,354
1
174,708
"Correct Solution: ``` print(abs(-int(input())//min(int(input()) for _ in range(5)))+4) ```
output
1
87,354
1
174,709
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,355
1
174,710
"Correct Solution: ``` n=int(input()) m=min([int(input()) for x in range(5)]) print((m+n-1)//m+4) ```
output
1
87,355
1
174,711
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,356
1
174,712
"Correct Solution: ``` n = int(input()) a = list(int(input()) for i in range(5)) print(-(-n//min(a))+4) ```
output
1
87,356
1
174,713
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,357
1
174,714
"Correct Solution: ``` N= int(input()) ts = [int(input()) for i in range(5)] print(int((N-1)/min(ts)) + 5) ```
output
1
87,357
1
174,715
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,358
1
174,716
"Correct Solution: ``` n = int(input()) a = [int(input()) for _ in range(5)] print((n-1)//min(a)+5) ```
output
1
87,358
1
174,717
Provide a correct Python 3 solution for this coding contest problem. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from City 1 to 2 in one minute. A train can occupy at most A peo...
instruction
0
87,359
1
174,718
"Correct Solution: ``` n = int(input()) a = [int(input()) for _ in range(5)] print(4+(n-1)//min(a)+1) ```
output
1
87,359
1
174,719
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,360
1
174,720
Yes
output
1
87,360
1
174,721
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,361
1
174,722
Yes
output
1
87,361
1
174,723
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,362
1
174,724
Yes
output
1
87,362
1
174,725
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,363
1
174,726
Yes
output
1
87,363
1
174,727
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,364
1
174,728
No
output
1
87,364
1
174,729
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,365
1
174,730
No
output
1
87,365
1
174,731
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,366
1
174,732
No
output
1
87,366
1
174,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In 2028 and after a continuous growth, AtCoder Inc. finally built an empire with six cities (City 1, 2, 3, 4, 5, 6)! There are five means of transport in this empire: * Train: travels from Cit...
instruction
0
87,367
1
174,734
No
output
1
87,367
1
174,735
Provide a correct Python 3 solution for this coding contest problem. There is a train going from Station A to Station B that costs X yen (the currency of Japan). Also, there is a bus going from Station B to Station C that costs Y yen. Joisino got a special ticket. With this ticket, she can take the bus for half the ...
instruction
0
87,368
1
174,736
"Correct Solution: ``` X, Y = map(int,input().rstrip().split()) print(X+Y//2) ```
output
1
87,368
1
174,737
Provide a correct Python 3 solution for this coding contest problem. There is a train going from Station A to Station B that costs X yen (the currency of Japan). Also, there is a bus going from Station B to Station C that costs Y yen. Joisino got a special ticket. With this ticket, she can take the bus for half the ...
instruction
0
87,369
1
174,738
"Correct Solution: ``` a, b = (int(i) for i in input().split()) print(b//2+a) ```
output
1
87,369
1
174,739
Provide a correct Python 3 solution for this coding contest problem. There is a train going from Station A to Station B that costs X yen (the currency of Japan). Also, there is a bus going from Station B to Station C that costs Y yen. Joisino got a special ticket. With this ticket, she can take the bus for half the ...
instruction
0
87,370
1
174,740
"Correct Solution: ``` #113 A X,Y= map(int,input().split()) print(int(X+0.5*Y)) ```
output
1
87,370
1
174,741
Provide a correct Python 3 solution for this coding contest problem. There is a train going from Station A to Station B that costs X yen (the currency of Japan). Also, there is a bus going from Station B to Station C that costs Y yen. Joisino got a special ticket. With this ticket, she can take the bus for half the ...
instruction
0
87,371
1
174,742
"Correct Solution: ``` x, y = (int(i) for i in input().split()) print(x + y//2) ```
output
1
87,371
1
174,743