結果

問題 No.1065 電柱 / Pole (Easy)
ユーザー McGregorshMcGregorsh
提出日時 2023-07-12 21:15:19
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 963 ms / 2,000 ms
コード長 1,966 bytes
コンパイル時間 398 ms
コンパイル使用メモリ 82,028 KB
実行使用メモリ 167,668 KB
最終ジャッジ日時 2024-09-14 10:09:33
合計ジャッジ時間 27,679 ms
ジャッジサーバーID
(参考情報)
judge6 / judge4
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 146 ms
88,436 KB
testcase_01 AC 146 ms
88,436 KB
testcase_02 AC 581 ms
128,472 KB
testcase_03 AC 754 ms
167,616 KB
testcase_04 AC 746 ms
167,180 KB
testcase_05 AC 544 ms
167,480 KB
testcase_06 AC 548 ms
167,668 KB
testcase_07 AC 239 ms
105,592 KB
testcase_08 AC 451 ms
165,324 KB
testcase_09 AC 195 ms
95,664 KB
testcase_10 AC 297 ms
121,616 KB
testcase_11 AC 256 ms
111,924 KB
testcase_12 AC 227 ms
105,124 KB
testcase_13 AC 695 ms
142,684 KB
testcase_14 AC 760 ms
149,692 KB
testcase_15 AC 849 ms
160,380 KB
testcase_16 AC 501 ms
124,988 KB
testcase_17 AC 909 ms
166,480 KB
testcase_18 AC 400 ms
115,048 KB
testcase_19 AC 854 ms
160,820 KB
testcase_20 AC 363 ms
108,932 KB
testcase_21 AC 449 ms
121,292 KB
testcase_22 AC 861 ms
153,792 KB
testcase_23 AC 164 ms
89,940 KB
testcase_24 AC 165 ms
89,596 KB
testcase_25 AC 233 ms
105,108 KB
testcase_26 AC 550 ms
128,008 KB
testcase_27 AC 590 ms
128,576 KB
testcase_28 AC 873 ms
155,584 KB
testcase_29 AC 265 ms
98,596 KB
testcase_30 AC 900 ms
159,520 KB
testcase_31 AC 657 ms
139,116 KB
testcase_32 AC 500 ms
121,740 KB
testcase_33 AC 963 ms
160,196 KB
testcase_34 AC 451 ms
115,796 KB
testcase_35 AC 895 ms
161,656 KB
testcase_36 AC 169 ms
89,700 KB
testcase_37 AC 205 ms
90,776 KB
testcase_38 AC 174 ms
89,532 KB
testcase_39 AC 205 ms
91,144 KB
testcase_40 AC 154 ms
88,820 KB
testcase_41 AC 955 ms
165,820 KB
testcase_42 AC 416 ms
113,736 KB
testcase_43 AC 586 ms
130,452 KB
testcase_44 AC 325 ms
104,508 KB
testcase_45 AC 559 ms
128,684 KB
testcase_46 AC 144 ms
88,804 KB
testcase_47 AC 144 ms
88,628 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

###ダイクストラ###

def daikusutora(N, G, s):
	  dist = [INF] * N
	  que = [(0, s)]
	  dist[s] = 0
	  while que:
	  	  c, v = heappop(que)
	  	  if dist[v] < c:
	  	  	  continue
	  	  for t, cost in G[v]:
	  	  	  if dist[v] + cost < dist[t]:
	  	  	  	  dist[t] = dist[v] + cost
	  	  	  	  heappush(que, (dist[t], t))
	  return dist


import sys
from sys import stdin
from fractions import Fraction
import math
from math import ceil, floor, sqrt, pi, factorial, gcd
from copy import deepcopy
from collections import Counter, deque, defaultdict
from heapq import heapify, heappop, heappush
from itertools import accumulate, product, combinations, combinations_with_replacement, permutations
from bisect import bisect, bisect_left, bisect_right
from functools import reduce, lru_cache
from decimal import Decimal, getcontext, ROUND_HALF_UP
def i_input(): return int(stdin.readline())
def i_map(): return map(int, stdin.readline().split())
def i_list(): return list(i_map())
def s_input(): return stdin.readline()[:-1]
def s_map(): return s_input().split()
def s_list(): return list(s_map())
def lcm(a, b): return a * b // gcd(a, b)
def get_distance(x1, y1, x2, y2):
	  d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
	  return d
def rotate(table):
   	  n_fild = []
   	  for x in zip(*table[::-1]):
   	  	  n_fild.append(x)
   	  return n_fild
sys.setrecursionlimit(10 ** 7)
INF = float('inf')
MOD = 10 ** 9 + 7
MOD2 = 998244353
alpa = 'abcdefghijklmnopqrstuvwxyz'
ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'


def main():
   
   N, M = i_map()
   X, Y = i_map()
   X -= 1
   Y -= 1
   nums = [i_list() for i in range(N)]
   
   G = [[] for i in range(N)]
   for i in range(M):
   	  p, q = i_map()
   	  p -= 1
   	  q -= 1
   	  ax, ay = nums[p]
   	  bx, by = nums[q]
   	  cost = get_distance(ax, ay, bx, by)
   	  G[p].append([q, cost])
   	  G[q].append([p, cost])
   
   ans = daikusutora(N, G, X)
   print(ans[Y])
   
   
if __name__ == '__main__':
    main()



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