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Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,755
1
131,510
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` T = int(input()) while T > 0: n = int(input()) households = list(map(int, input().split())) stations = list(map(int, input().split())) l, r = 0, min(households[0],stations[0]) ans = False while l <= r: ...
output
1
65,755
1
131,511
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,756
1
131,512
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` import sys input = sys.stdin.readline ############ ---- Input Functions ---- ############ def inp(): return (int(input())) def instr(): return (str(input())) def inlt(): return (list(map(int, input().split()))) def...
output
1
65,756
1
131,513
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,757
1
131,514
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` import sys from collections import deque, defaultdict input = sys.stdin.buffer.readline T = int(input()) for _ in range(T): n = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) ...
output
1
65,757
1
131,515
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,758
1
131,516
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` line = input() t = int(line) for _ in range(t): line = input() n = int(line) line = input() need = [int(i) for i in line.split(' ')] line = input() station =[int(i) for i in line.split(' ')] if sum(st...
output
1
65,758
1
131,517
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,759
1
131,518
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` import sys input=sys.stdin.buffer.readline for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) def cond(x): temp=[0]*n rest=[b[i] for ...
output
1
65,759
1
131,519
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,760
1
131,520
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` for _ in range(int(input())): n=int(input()) a=list(map(int,input().split())) b=list(map(int,input().split())) l=0 h=min(a[0],b[n-1]) while l<=h: mid=l+(h-l)//2 # print(mid) prev...
output
1
65,760
1
131,521
Provide tags and a correct Python 3 solution for this coding contest problem. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital already has a good network coverage (so the gove...
instruction
0
65,761
1
131,522
Tags: binary search, constructive algorithms, data structures, greedy Correct Solution: ``` # Why do we fall ? So we can learn to pick ourselves up. t = int(input()) for _ in range(0,t): n = int(input()) aa = [int(i) for i in input().split()] bb = [int(i) for i in input().split()] done = [1]*n lef...
output
1
65,761
1
131,523
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,762
1
131,524
Yes
output
1
65,762
1
131,525
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,763
1
131,526
Yes
output
1
65,763
1
131,527
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,764
1
131,528
Yes
output
1
65,764
1
131,529
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,765
1
131,530
Yes
output
1
65,765
1
131,531
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,766
1
131,532
No
output
1
65,766
1
131,533
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,767
1
131,534
No
output
1
65,767
1
131,535
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,768
1
131,536
No
output
1
65,768
1
131,537
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The government of Berland decided to improve network coverage in his country. Berland has a unique structure: the capital in the center and n cities in a circle around the capital. The capital a...
instruction
0
65,769
1
131,538
No
output
1
65,769
1
131,539
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,065
1
132,130
Tags: greedy, implementation, sortings Correct Solution: ``` import sys input = sys.stdin.readline n, a = map(int, input().split()) x = list(map(int, input().split())) x.sort() if n==1: print(0) exit() ans = abs(a-x[0])+abs(x[0]-x[n-2]) ans = min(ans, abs(a-x[n-2])+abs(x[n-2]-x[0])) ans = min(ans, abs(a-...
output
1
66,065
1
132,131
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,066
1
132,132
Tags: greedy, implementation, sortings Correct Solution: ``` n,p = map(int,input().split()) a = list(map(int,input().split())) a.sort() if n==1: print(0) elif n==2: print(min(abs(a[0]-p),abs(a[1]-p))) else: a1 = min(abs(a[0]-p),abs(a[-2]-p)) + abs(a[0]-a[-2]) a2 = min(abs(a[1]-p),abs(a[-1]-p)) + abs(a[...
output
1
66,066
1
132,133
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,067
1
132,134
Tags: greedy, implementation, sortings Correct Solution: ``` import sys input = sys.stdin.readline n,m = map(int,input().split()) t= list(map(int,input().split())) t.sort() if n<=1: print(0) else: ans=9999999999999999 for j in range(n): if j+(n-2)<n: #print(t[j+n-2]-abs...
output
1
66,067
1
132,135
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,068
1
132,136
Tags: greedy, implementation, sortings Correct Solution: ``` n, start = map(int, input().split()); x = list(map(int, input().split())); x = sorted(x); if n == 1: print(0); else: print(min(abs(start - x[0]) + abs(x[len(x) - 2] - x[0]), \ abs(start - x[1]) + abs(x[len(x) - 1] - x[1]), \ ...
output
1
66,068
1
132,137
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,069
1
132,138
Tags: greedy, implementation, sortings Correct Solution: ``` def solve(): n, a = map(int, input().split()) x = list(map(int, input().split())) x.append(a) x.sort() bi = 0 for i in range(n + 1): if x[i] == a: bi = i break ans = float('inf') for s in range(2...
output
1
66,069
1
132,139
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,070
1
132,140
Tags: greedy, implementation, sortings Correct Solution: ``` import traceback import math from collections import defaultdict from functools import lru_cache import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file...
output
1
66,070
1
132,141
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,071
1
132,142
Tags: greedy, implementation, sortings Correct Solution: ``` class CodeforcesTask709BSolution: def __init__(self): self.result = '' self.n_a = [] self.points = [] def read_input(self): self.n_a = [int(x) for x in input().split(" ")] self.points = [int(x) for x in input()...
output
1
66,071
1
132,143
Provide tags and a correct Python 3 solution for this coding contest problem. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit at least n - 1 checkpoint in order to finish t...
instruction
0
66,072
1
132,144
Tags: greedy, implementation, sortings Correct Solution: ``` #!/usr/bin/env python3.5 import sys def read_data(): n, x0 = map(int, next(sys.stdin).split()) checkpoints = list(map(int, next(sys.stdin).split())) return x0, checkpoints def solve(x0, checkpoints): n = len(checkpoints) checkpoints.sor...
output
1
66,072
1
132,145
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,073
1
132,146
Yes
output
1
66,073
1
132,147
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,074
1
132,148
Yes
output
1
66,074
1
132,149
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,075
1
132,150
Yes
output
1
66,075
1
132,151
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,076
1
132,152
Yes
output
1
66,076
1
132,153
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,077
1
132,154
No
output
1
66,077
1
132,155
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,078
1
132,156
No
output
1
66,078
1
132,157
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,079
1
132,158
No
output
1
66,079
1
132,159
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Vasya takes part in the orienteering competition. There are n checkpoints located along the line at coordinates x1, x2, ..., xn. Vasya starts at the point with coordinate a. His goal is to visit...
instruction
0
66,080
1
132,160
No
output
1
66,080
1
132,161
Provide tags and a correct Python 3 solution for this coding contest problem. As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other dire...
instruction
0
66,131
1
132,262
Tags: implementation Correct Solution: ``` n = int(input()) route = input() sf =0 fs = 0 for i in range(1,len(route)): if route[i-1] == 'S' and route[i] == 'F' : sf+=1 elif route[i-1] == 'F' and route[i] == 'S' : fs+=1 if sf > fs: print("YES") else: print("NO") ```
output
1
66,131
1
132,263
Provide a correct Python 3 solution for this coding contest problem. I'm traveling to a country with a rabbit. There are n cities in this country numbered from 1 to n, and the rabbit is now in city 1. City i is a point on the coordinate plane (xi, yi) ). Rabbits travel to meet the following conditions. * The travel ...
instruction
0
66,415
1
132,830
"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
66,415
1
132,831
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I'm traveling to a country with a rabbit. There are n cities in this country numbered from 1 to n, and the rabbit is now in city 1. City i is a point on the coordinate plane (xi, yi) ). Rabbits...
instruction
0
66,416
1
132,832
No
output
1
66,416
1
132,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I'm traveling to a country with a rabbit. There are n cities in this country numbered from 1 to n, and the rabbit is now in city 1. City i is a point on the coordinate plane (xi, yi) ). Rabbits...
instruction
0
66,417
1
132,834
No
output
1
66,417
1
132,835
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. I'm traveling to a country with a rabbit. There are n cities in this country numbered from 1 to n, and the rabbit is now in city 1. City i is a point on the coordinate plane (xi, yi) ). Rabbits...
instruction
0
66,418
1
132,836
No
output
1
66,418
1
132,837
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,636
1
133,272
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` from collections import defaultdict n,k=map(int,input().split()) ma=0 a=[] graph=[] factories=0 ports=0 f=[False]*(n+1) p=[False]*(n+1) for i in range(k): u,v,d=map(int,input().split()) graph.append([u,v,d]) ma=max(ma,d) s=0 l=ma ans=...
output
1
66,636
1
133,273
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,637
1
133,274
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` n,m = map(int,input().split()) import functools l1 = [] for i in range(m): a,b,c = map(int,input().split()) l1.append([a,b,c]) l1.sort(key=lambda x: x[2]) d1 = set() d2 = set() for a,b,c in l1: d1.add(a) d2.add(b) if len...
output
1
66,637
1
133,275
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,638
1
133,276
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` import os import sys from io import BytesIO, IOBase from types import GeneratorType BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): import os self.os = os self._fd = file.fileno() ...
output
1
66,638
1
133,277
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,639
1
133,278
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` # ---------------------------iye ha aam zindegi--------------------------------------------- import math import random import heapq, bisect import sys from collections import deque, defaultdict from fractions import Fraction import sys import thr...
output
1
66,639
1
133,279
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,640
1
133,280
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` from sys import stdin, stdout from collections import deque import sys graph = [] n = 0 current_graph = [] pair_f = [] pair_a = [] dist = [] def dfs(s): global pair_f global pair_a global dist if s != 0: for a in curre...
output
1
66,640
1
133,281
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,641
1
133,282
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` from bisect import bisect_left as bl from bisect import bisect_right as br from heapq import heappush,heappop,heapify import math from collections import * from functools import reduce,cmp_to_key import sys input = sys.stdin.readline from iterto...
output
1
66,641
1
133,283
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,642
1
133,284
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` import os import sys from io import BytesIO, IOBase from types import GeneratorType BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): import os self.os = os self._fd = file.fileno() ...
output
1
66,642
1
133,285
Provide tags and a correct Python 3 solution for this coding contest problem. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other world nations with this valuable resource. To do t...
instruction
0
66,643
1
133,286
Tags: binary search, flows, graph matchings, graphs Correct Solution: ``` def check(k, adj, n): a = [0 for i in range(n+1)] f = [0 for i in range(n+1)] for i in range(n+1): arr = adj[i] for j in range(len(arr)): if arr[j][1] <= k: a[i] = 1 f[arr[j][0]] = 1 if sum(a) == n and sum(f) == n: return Tr...
output
1
66,643
1
133,287
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,644
1
133,288
Yes
output
1
66,644
1
133,289
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,645
1
133,290
Yes
output
1
66,645
1
133,291
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,646
1
133,292
Yes
output
1
66,646
1
133,293
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,647
1
133,294
Yes
output
1
66,647
1
133,295
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,648
1
133,296
No
output
1
66,648
1
133,297
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The pandemic is upon us, and the world is in shortage of the most important resource: toilet paper. As one of the best prepared nations for this crisis, BubbleLand promised to help all other wor...
instruction
0
66,649
1
133,298
No
output
1
66,649
1
133,299