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Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,272
1
8,544
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` def prim(matrix, inf=10**18): n = len(matrix) costs = [inf] + [inf-1]*(n-1) nearest = [-1]*n current = 0 total_cost = 0 build, connect = [], [] for _ in range(n-1): min_cost = inf src, dest = -1, -1 ...
output
1
4,272
1
8,545
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,273
1
8,546
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` import sys reader = (map(int, s.split()) for s in sys.stdin) n, = next(reader) xy = [] for _ in range(n): x, y = next(reader) xy.append([x, y]) c = list(next(reader)) k = list(next(reader)) # n = int(input()) # xy = [[]]*n # for i in ra...
output
1
4,273
1
8,547
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,274
1
8,548
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` from collections import deque from math import inf def run_testcase(): n = int(input()) coords = [None] * (n + 1) for i in range(1, n + 1): coords[i] = [int(x) for x in input().split()] ci = [0] + [int(x) for x in input().split()] ki = [0...
output
1
4,274
1
8,549
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,275
1
8,550
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` import sys input = sys.stdin.readline n=int(input()) T=[tuple(map(int,input().split())) for i in range(n)] C=list(map(int,input().split())) K=list(map(int,input().split())) import heapq H=[] for i,c in enumerate(C): H.append((c,i+1)) heapq.h...
output
1
4,275
1
8,551
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,276
1
8,552
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` from math import * c=int(input()) x=[0]*c y=[0]*c vu=[False]*c for i in range(c): x[i],y[i]=[int(s) for s in input().split()] prix=[int(s) for s in input().split()] fil=[int(s) for s in input().split()] anc=[-1]*c pmin=prix.copy() v=0 pl=[] e=0...
output
1
4,276
1
8,553
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,277
1
8,554
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` # by the authority of GOD author: manhar singh sachdev # import os,sys from io import BytesIO,IOBase def prims(n,path,st,z,c,conn): ans,where,visi = 0,[z]*n,[0]*n node = [path[j][z] for j in range(n)] visi[z] = 1 while 1: ...
output
1
4,277
1
8,555
Provide tags and a correct Python 3 solution for this coding contest problem. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is located x_i km North of the shrine and y_i km East...
instruction
0
4,278
1
8,556
Tags: dsu, graphs, greedy, shortest paths, trees Correct Solution: ``` import sys input=sys.stdin.readline n=int(input()) X=[[0]*7 for _ in range(n)] for i in range(n): x,y=map(int,input().split()) X[i][0],X[i][1],X[i][2]=i+1,x,y C=[int(i) for i in input().split()] K=[int(i) for i in input().split()] for i in range...
output
1
4,278
1
8,557
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,279
1
8,558
Yes
output
1
4,279
1
8,559
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,280
1
8,560
Yes
output
1
4,280
1
8,561
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,281
1
8,562
Yes
output
1
4,281
1
8,563
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,282
1
8,564
Yes
output
1
4,282
1
8,565
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,283
1
8,566
No
output
1
4,283
1
8,567
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,284
1
8,568
No
output
1
4,284
1
8,569
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,285
1
8,570
No
output
1
4,285
1
8,571
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Shichikuji is the new resident deity of the South Black Snail Temple. Her first job is as follows: There are n new cities located in Prefecture X. Cities are numbered from 1 to n. City i is loc...
instruction
0
4,286
1
8,572
No
output
1
4,286
1
8,573
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,399
1
8,798
Tags: brute force, graphs, shortest paths Correct Solution: ``` from sys import stdin input = stdin.readline from heapq import heappush, heappop n, m, k = map(int, input().split()) # edge = [tuple(map(int, input().split())) for _ in range(m)] # courier = [tuple(map(int, input().split())) for _ in range(k)] r = [tuple...
output
1
4,399
1
8,799
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,400
1
8,800
Tags: brute force, graphs, shortest paths Correct Solution: ``` import heapq inf = 1000000007 n, m, k = map(int, input().split()) E = [[] for _ in range(n)] edges = [] for _ in range(m): u, v, w = map(int, input().split()) E[u-1].append((v-1, w)) E[v-1].append((u-1, w)) edges.append((u-1, v-1, w)) routes = [] for ...
output
1
4,400
1
8,801
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,401
1
8,802
Tags: brute force, graphs, shortest paths Correct Solution: ``` import heapq n, m, k = map(int, input().split()) E = [[] for _ in range(n)] edges = [] for _ in range(m): u, v, w = map(int, input().split()) E[u-1].append((v-1, w)) E[v-1].append((u-1, w)) edges.append((u-1, v-1, w)) routes = [] for _ in range(k): a,...
output
1
4,401
1
8,803
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,402
1
8,804
Tags: brute force, graphs, shortest paths Correct Solution: ``` import sys input = sys.stdin.readline N, M, K = map(int, input().split()) e = [[] for _ in range(N + 1)] for _ in range(M): u, v, c = map(int, input().split()) e[u].append((v, c)) e[v].append((u, c)) qs = [tuple(map(int, input().split())) for _ in ra...
output
1
4,402
1
8,805
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,403
1
8,806
Tags: brute force, graphs, shortest paths Correct Solution: ``` def read_generator(): while True: tokens = input().split(' ') for t in tokens: yield t reader = read_generator() def readword(): return next(reader) def readint(): return int(next(reader)) def readfloat(): re...
output
1
4,403
1
8,807
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,404
1
8,808
Tags: brute force, graphs, shortest paths Correct Solution: ``` n, m, k = map(int, input().split()) inf = 1000001 g = [[] for _ in range(n)] e = [] for i in range(m): a, b, w = map(int, input().split()) a -= 1 b -= 1 g[a].append((b, w)) g[b].append((a, w)) e.append((a, b)) def f(s, g): d =...
output
1
4,404
1
8,809
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,405
1
8,810
Tags: brute force, graphs, shortest paths Correct Solution: ``` from math import inf import heapq n,m,k = map(int,input().split()) G = [[] for _ in range(n)] Q = [] for _ in range(m): x,y,w = map(int,input().split()) G[x-1].append((y-1,w)) G[y-1].append((x-1,w)) for _ in range(k): a,b = map(int,inpu...
output
1
4,405
1
8,811
Provide tags and a correct Python 3 solution for this coding contest problem. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some path between each pair of districts, so the city...
instruction
0
4,406
1
8,812
Tags: brute force, graphs, shortest paths Correct Solution: ``` import heapq import io,os input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline def dijkstra(source,neigh,dic): n = len(neigh) distance = [float('inf')]*n visited = [False]*n heap = [] heapq.heappush(heap,(0,source)) while...
output
1
4,406
1
8,813
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,407
1
8,814
Yes
output
1
4,407
1
8,815
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,408
1
8,816
Yes
output
1
4,408
1
8,817
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,409
1
8,818
Yes
output
1
4,409
1
8,819
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,410
1
8,820
Yes
output
1
4,410
1
8,821
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,411
1
8,822
No
output
1
4,411
1
8,823
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,412
1
8,824
No
output
1
4,412
1
8,825
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,413
1
8,826
No
output
1
4,413
1
8,827
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You are a mayor of Berlyatov. There are n districts and m two-way roads between them. The i-th road connects districts x_i and y_i. The cost of travelling along this road is w_i. There is some p...
instruction
0
4,414
1
8,828
No
output
1
4,414
1
8,829
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,627
1
9,254
Yes
output
1
4,627
1
9,255
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,628
1
9,256
Yes
output
1
4,628
1
9,257
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,629
1
9,258
Yes
output
1
4,629
1
9,259
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,630
1
9,260
Yes
output
1
4,630
1
9,261
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,631
1
9,262
No
output
1
4,631
1
9,263
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,632
1
9,264
No
output
1
4,632
1
9,265
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,633
1
9,266
No
output
1
4,633
1
9,267
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. To quickly hire highly skilled specialists one of the new IT City companies made an unprecedented move. Every employee was granted a car, and an employee can choose one of four different car mak...
instruction
0
4,634
1
9,268
No
output
1
4,634
1
9,269
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,859
1
9,718
"Correct Solution: ``` import fractions n,x=map(int,input().split()) l=list(map(int,input().split())) m=[]; for i in l: m.append(abs(i-x)) n=m.pop(0) for j in m: n=fractions.gcd(n,j) print(n) ```
output
1
4,859
1
9,719
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,860
1
9,720
"Correct Solution: ``` import fractions N, X = map(int, input().split()) x = list(map(int, input().split())) t = abs(x[0] - X) for a in x: t = fractions.gcd(t, abs(a - X)) print(t) ```
output
1
4,860
1
9,721
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,861
1
9,722
"Correct Solution: ``` from math import gcd from functools import reduce _, X = map(int, input().split()) print(reduce(gcd, (abs(i - X) for i in set(map(int, input().split()))))) ```
output
1
4,861
1
9,723
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,862
1
9,724
"Correct Solution: ``` #!/usr/bin/env python3 from functools import reduce from math import gcd n, X, *x = map(int, open(0).read().split()) x = [abs(i - X) for i in x] print(reduce(gcd, x)) ```
output
1
4,862
1
9,725
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,863
1
9,726
"Correct Solution: ``` n,x,*l=map(int,open(0).read().split()) from math import * a=0 for i in l: a=gcd(a,abs(i-x)) print(a) ```
output
1
4,863
1
9,727
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,864
1
9,728
"Correct Solution: ``` from fractions import gcd N, X = map(int, input().split()) x = map(int, input().split()) ans = 0 for i in x: ans = gcd(ans, abs(X-i)) print(ans) ```
output
1
4,864
1
9,729
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,865
1
9,730
"Correct Solution: ``` from fractions import gcd from functools import reduce _, X = map(int, input().split()) print(reduce(gcd, (abs(X - i) for i in map(int, input().split())))) ```
output
1
4,865
1
9,731
Provide a correct Python 3 solution for this coding contest problem. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive integer D. Then, you will depart from coordinate X and per...
instruction
0
4,866
1
9,732
"Correct Solution: ``` from math import gcd n, X = map(int, input().split()) xlst = list(map(int, input().split())) ans = X - xlst[0] for x in xlst: ans = gcd(ans, X - x) print(ans) ```
output
1
4,866
1
9,733
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive int...
instruction
0
4,867
1
9,734
Yes
output
1
4,867
1
9,735
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive int...
instruction
0
4,868
1
9,736
Yes
output
1
4,868
1
9,737
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cities on a number line. The i-th city is located at coordinate x_i. Your objective is to visit all these cities at least once. In order to do so, you will first set a positive int...
instruction
0
4,869
1
9,738
Yes
output
1
4,869
1
9,739