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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,702
1
29,404
Yes
output
1
14,702
1
29,405
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,703
1
29,406
Yes
output
1
14,703
1
29,407
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,704
1
29,408
No
output
1
14,704
1
29,409
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,705
1
29,410
No
output
1
14,705
1
29,411
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,706
1
29,412
No
output
1
14,706
1
29,413
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them is planned to depart at the i-th minute of t...
instruction
0
14,707
1
29,414
No
output
1
14,707
1
29,415
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,908
1
29,816
"Correct Solution: ``` import sys sys.setrecursionlimit(10**6) n, k = map(int, input().split()) a = list(map(int, input().split())) ans = 0 if a[0] != 1: ans += 1 child = [[] for _ in range(n)] for i in range(1, n): child[a[i]-1].append(i) def dfs(x): global ans M = 0 for v in child[x]: M = max(M, (dfs(v)+1)%...
output
1
14,908
1
29,817
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,909
1
29,818
"Correct Solution: ``` import sys sys.setrecursionlimit(200000) n,k = map(int,input().split()) a = list(map(int,input().split())) ans = 0 if a[0] != 1: a[0] = 1 ans += 1 b = [[]for i in range(n)] for i in range(n): b[a[i]-1].append(i) b[0].remove(0) huka = 0 kyo = [float("inf")] * n def dfs(x,y): kyo[x] = y f...
output
1
14,909
1
29,819
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,910
1
29,820
"Correct Solution: ``` import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**15 mod = 10**9+7 def LI(): return [int(x) for x in sys.stdin.readline().split()] def LI_(): return [int(x)-1 for x in sys.stdin.readl...
output
1
14,910
1
29,821
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,911
1
29,822
"Correct Solution: ``` def examA(): A, B, C = LI() ans = min(A*B*(C%2),A*C*(B%2),B*C*(A%2)) print(ans) return def examB(): class segment_(): def __init__(self, A, n, segfunc): #####単位元######要設定0or1orinf self.ide_ele = inf #################### ...
output
1
14,911
1
29,823
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,912
1
29,824
"Correct Solution: ``` #d tree #code自体はあっている。ただ、そもそもアルゴリズムが違う。 #下から調べていかないと最適でない。 #Right Answer. import sys sys.setrecursionlimit(2 * 10 ** 5 + 10) n,k = [int(i) for i in input().split()] a = [int(i)-1 for i in input().split()] #this is directed tree so every node is not reached yet #return the depth from its l...
output
1
14,912
1
29,825
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,913
1
29,826
"Correct Solution: ``` import sys sys.setrecursionlimit(200000) n,k = map(int,input().split()) a = list(map(int,input().split())) ans = 0 if a[0] != 1: a[0] = 1 ans += 1 b = [[]for i in range(n)] for i in range(1,n): b[a[i]-1].append(i) huka = 0 kyo = [float("inf")] * n z =[[]for i in range(n)] def dfs(x,y): ky...
output
1
14,913
1
29,827
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,914
1
29,828
"Correct Solution: ``` from heapq import heappop,heappush n,k = map(int,input().split()) a = [0] + list(map(int,input().split())) ans = 0 if(a[1] != 1): ans += 1 links_c = [set() for _ in range(n+1)] for i,ai in enumerate(a[2:],2): links_c[ai].add(i) depth = [-1] * (n+1) depth[1] = 0 stack = [1] hq = [] whi...
output
1
14,914
1
29,829
Provide a correct Python 3 solution for this coding contest problem. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another place. The destination of the Teleporter of town i is t...
instruction
0
14,915
1
29,830
"Correct Solution: ``` from collections import deque N,K = map(int,input().split()) a = list(map(int,input().split())) for i in range(N): a[i] -= 1 ans = 0 if a[0] != 0: ans += 1 a[0] = 0 dis = [float("-inf")] * N lnum = [0] * N for i in range(N): lnum[a[i]] += 1 q = deque([]) for i in range(...
output
1
14,915
1
29,831
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,916
1
29,832
Yes
output
1
14,916
1
29,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,917
1
29,834
Yes
output
1
14,917
1
29,835
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,918
1
29,836
Yes
output
1
14,918
1
29,837
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,919
1
29,838
Yes
output
1
14,919
1
29,839
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,920
1
29,840
No
output
1
14,920
1
29,841
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,921
1
29,842
No
output
1
14,921
1
29,843
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,922
1
29,844
No
output
1
14,922
1
29,845
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N towns in Snuke Kingdom, conveniently numbered 1 through N. Town 1 is the capital. Each town in the kingdom has a Teleporter, a facility that instantly transports a person to another...
instruction
0
14,923
1
29,846
No
output
1
14,923
1
29,847
Provide a correct Python 3 solution for this coding contest problem. <image> One evening. As usual, when you were watching TV in the living room, my sister in fifth grade offered me a consultation. When I listened to the story, I couldn't understand the math problem that was presented at school today, so I want you t...
instruction
0
15,018
1
30,036
"Correct Solution: ``` import sys readline = sys.stdin.readline write = sys.stdout.write def solve(): MOD = 10**9 + 7 N, M, K = map(int, readline().split()) MOD = 10**9 + 7 L = N+M+2*K fact = [1]*(L+1) rfact = [1]*(L+1) r = 1 for i in range(1, L+1): fact[i] = r = r * i % MOD ...
output
1
15,018
1
30,037
Provide a correct Python 3 solution for this coding contest problem. <image> One evening. As usual, when you were watching TV in the living room, my sister in fifth grade offered me a consultation. When I listened to the story, I couldn't understand the math problem that was presented at school today, so I want you t...
instruction
0
15,019
1
30,038
"Correct Solution: ``` import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**13 mod = 10**9+7 dd = [(-1,0),(0,1),(1,0),(0,-1)] ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)] def LI(): return [int...
output
1
15,019
1
30,039
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Shaazzzland, numbered from 0 to n-1. Ghaazzzland, the immortal enemy of Shaazzzland, is ruled by AaParsa. As the head of the Ghaazzzland's intelligence agency, AaParsa is carrying out the most important spying mission ...
instruction
0
15,321
1
30,642
Tags: constructive algorithms, graphs, shortest paths Correct Solution: ``` import sys input = lambda: sys.stdin.readline().rstrip() def dijkstra(n, E, i0=0): D = [1 << 30] * n D[i0] = 0 Q = set([i for i in range(n)]) while Q: d = 1 << 30 for q in Q: if D[q] < d: ...
output
1
15,321
1
30,643
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Shaazzzland, numbered from 0 to n-1. Ghaazzzland, the immortal enemy of Shaazzzland, is ruled by AaParsa. As the head of the Ghaazzzland's intelligence agency, AaParsa is ...
instruction
0
15,322
1
30,644
No
output
1
15,322
1
30,645
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Shaazzzland, numbered from 0 to n-1. Ghaazzzland, the immortal enemy of Shaazzzland, is ruled by AaParsa. As the head of the Ghaazzzland's intelligence agency, AaParsa is ...
instruction
0
15,323
1
30,646
No
output
1
15,323
1
30,647
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Shaazzzland, numbered from 0 to n-1. Ghaazzzland, the immortal enemy of Shaazzzland, is ruled by AaParsa. As the head of the Ghaazzzland's intelligence agency, AaParsa is ...
instruction
0
15,324
1
30,648
No
output
1
15,324
1
30,649
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland a bus travels along the main street of the capital. The street begins from the main square and looks like a very long segment. There are n bus stops located along the street, the i-th of them is located at the distance ai from the...
instruction
0
15,466
1
30,932
Tags: constructive algorithms, greedy, hashing, implementation Correct Solution: ``` r = lambda: list(map(int, input().split())) ri = lambda: int(input()) n, a, m, b = ri(), r(), ri(), r() c = [0] * n for e in b: c[e - 1] += 1 c[0] *= 2; c[-1] *= 2 d = 0 df= 0 r = max(e // 2 for e in c) c = [e - r * 2 for e in c] if an...
output
1
15,466
1
30,933
Provide tags and a correct Python 3 solution for this coding contest problem. In Berland a bus travels along the main street of the capital. The street begins from the main square and looks like a very long segment. There are n bus stops located along the street, the i-th of them is located at the distance ai from the...
instruction
0
15,467
1
30,934
Tags: constructive algorithms, greedy, hashing, implementation Correct Solution: ``` n=int(input()) c=[0]*n a=[int(x) for x in input().split()] m=int(input()) b=[int(x)-1 for x in input().split()] for e in b: c[e]+=1 c[0]*=2 c[-1]*=2 d=0 df=0 r=max([e//2 for e in c]) c=[e-r*2 for e in c] if not any(c): de=a[1]-...
output
1
15,467
1
30,935
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland a bus travels along the main street of the capital. The street begins from the main square and looks like a very long segment. There are n bus stops located along the street, the i-th...
instruction
0
15,468
1
30,936
No
output
1
15,468
1
30,937
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Berland a bus travels along the main street of the capital. The street begins from the main square and looks like a very long segment. There are n bus stops located along the street, the i-th...
instruction
0
15,469
1
30,938
No
output
1
15,469
1
30,939
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,618
1
31,236
Tags: brute force, geometry, math Correct Solution: ``` print(2 * int(0.99999 + 2 * int(input()) ** 0.5)) ```
output
1
15,618
1
31,237
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,619
1
31,238
Tags: brute force, geometry, math Correct Solution: ``` from math import trunc, sqrt n = int(input()) a = trunc(sqrt(n)) if a * a == n: print(4*a) elif a * (a + 1) >= n: print(2 * (a + a + 1)) else: print(4 * (a + 1)) ```
output
1
15,619
1
31,239
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,620
1
31,240
Tags: brute force, geometry, math Correct Solution: ``` from math import ceil,sqrt x = int(input()) a = ceil(sqrt(x)) r = 2*a + 2*ceil(x/a) print(r) ```
output
1
15,620
1
31,241
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,621
1
31,242
Tags: brute force, geometry, math Correct Solution: ``` n=int(input()) i=1 while i*i<=n: i+=1 i-=1 k=n-i*i if k==0: print(i*4) elif k<=i: print(2+4*i) else: print(4+4*i) ```
output
1
15,621
1
31,243
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,622
1
31,244
Tags: brute force, geometry, math Correct Solution: ``` N = int(input()) Rows = int(N ** 0.5) Columns = N // Rows print(2 * (Columns + Rows) if Rows * Columns == N else 2 * (Columns + Rows) + 2) # UB_CodeForces # Advice: Limits Exist just in your mind # Location: Under this beautiful sky # Caption: So much energy it t...
output
1
15,622
1
31,245
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,623
1
31,246
Tags: brute force, geometry, math Correct Solution: ``` n = int(input()) i = 1 while True: start, end = i**2 - i + 1, i**2 if start <= n <= end: print(i*4) exit() elif n < start: print(i*4 - 2) exit() i += 1 ```
output
1
15,623
1
31,247
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,624
1
31,248
Tags: brute force, geometry, math Correct Solution: ``` #!/usr/bin/env python # -*- coding: utf-8 -*- N=int(input()) x=int(N**0.5) if (x*x==N): print(4*x) else: y=x*x x+=1 z=x*x if (abs(N-y)>abs(z-N)): print(4*x) else: print(4*x-2) ```
output
1
15,624
1
31,249
Provide tags and a correct Python 3 solution for this coding contest problem. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose which blocks. That is, your friend must walk the ...
instruction
0
15,625
1
31,250
Tags: brute force, geometry, math Correct Solution: ``` n = int(input()) a = 1 b = 1 while 1: if (a * b) >= n: break if a < b: a = b elif a == b: b = b + 1 print((a+b)*2) ```
output
1
15,625
1
31,251
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,626
1
31,252
Yes
output
1
15,626
1
31,253
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,627
1
31,254
Yes
output
1
15,627
1
31,255
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,628
1
31,256
Yes
output
1
15,628
1
31,257
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,629
1
31,258
Yes
output
1
15,629
1
31,259
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,630
1
31,260
No
output
1
15,630
1
31,261
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,631
1
31,262
No
output
1
15,631
1
31,263
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,632
1
31,264
No
output
1
15,632
1
31,265
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Your security guard friend recently got a new job at a new security company. The company requires him to patrol an area of the city encompassing exactly N city blocks, but they let him choose wh...
instruction
0
15,633
1
31,266
No
output
1
15,633
1
31,267
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Yui loves shopping. She lives in Yamaboshi City and there is a train service in the city. The city can be modelled as a very long number line. Yui's house is at coordinate 0. There are N shoppi...
instruction
0
15,795
1
31,590
No
output
1
15,795
1
31,591
Provide a correct Python 3 solution for this coding contest problem. Jim is planning to visit one of his best friends in a town in the mountain area. First, he leaves his hometown and goes to the destination town. This is called the go phase. Then, he comes back to his hometown. This is called the return phase. You ar...
instruction
0
15,895
1
31,790
"Correct Solution: ``` from heapq import heappush, heappop from collections import defaultdict import sys readline = sys.stdin.readline write = sys.stdout.write def solve(): N, M = map(int, readline().split()) if N == M == 0: return False D = [0]*N; E = [0]*N B = [0]*N H = defaultdict(int) ...
output
1
15,895
1
31,791