結果
問題 | No.160 最短経路のうち辞書順最小 |
ユーザー | Mao-beta |
提出日時 | 2024-03-21 16:14:33 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 160 ms / 5,000 ms |
コード長 | 1,909 bytes |
コンパイル時間 | 237 ms |
コンパイル使用メモリ | 82,048 KB |
実行使用メモリ | 83,072 KB |
最終ジャッジ日時 | 2024-09-30 10:09:26 |
合計ジャッジ時間 | 5,088 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 47 ms
55,808 KB |
testcase_01 | AC | 45 ms
55,808 KB |
testcase_02 | AC | 44 ms
55,808 KB |
testcase_03 | AC | 45 ms
56,064 KB |
testcase_04 | AC | 137 ms
78,336 KB |
testcase_05 | AC | 139 ms
77,952 KB |
testcase_06 | AC | 142 ms
77,824 KB |
testcase_07 | AC | 130 ms
77,936 KB |
testcase_08 | AC | 132 ms
77,952 KB |
testcase_09 | AC | 132 ms
77,440 KB |
testcase_10 | AC | 132 ms
77,824 KB |
testcase_11 | AC | 132 ms
78,200 KB |
testcase_12 | AC | 135 ms
77,696 KB |
testcase_13 | AC | 138 ms
77,824 KB |
testcase_14 | AC | 129 ms
77,696 KB |
testcase_15 | AC | 130 ms
77,928 KB |
testcase_16 | AC | 132 ms
78,036 KB |
testcase_17 | AC | 132 ms
78,336 KB |
testcase_18 | AC | 130 ms
77,568 KB |
testcase_19 | AC | 133 ms
77,696 KB |
testcase_20 | AC | 136 ms
77,952 KB |
testcase_21 | AC | 131 ms
77,568 KB |
testcase_22 | AC | 130 ms
77,696 KB |
testcase_23 | AC | 132 ms
77,952 KB |
testcase_24 | AC | 138 ms
77,824 KB |
testcase_25 | AC | 138 ms
77,952 KB |
testcase_26 | AC | 131 ms
77,440 KB |
testcase_27 | AC | 114 ms
69,760 KB |
testcase_28 | AC | 160 ms
83,072 KB |
testcase_29 | AC | 113 ms
69,120 KB |
ソースコード
import sys import math import bisect from heapq import heapify, heappop, heappush from collections import deque, defaultdict, Counter from functools import lru_cache from itertools import accumulate, combinations, permutations, product sys.setrecursionlimit(1000000) MOD = 10 ** 9 + 7 MOD99 = 998244353 input = lambda: sys.stdin.readline().strip() NI = lambda: int(input()) NMI = lambda: map(int, input().split()) NLI = lambda: list(NMI()) SI = lambda: input() SMI = lambda: input().split() SLI = lambda: list(SMI()) EI = lambda m: [NLI() for _ in range(m)] def adjlist(n, edges, directed=False, in_origin=1): if len(edges) == 0: return [[] for _ in range(n)] weighted = True if len(edges[0]) > 2 else False if in_origin == 1: if weighted: edges = [[x-1, y-1, w] for x, y, w in edges] else: edges = [[x-1, y-1] for x, y in edges] res = [[] for _ in range(n)] if weighted: for u, v, c in edges: res[u].append([v, c]) if not directed: res[v].append([u, c]) else: for u, v in edges: res[u].append(v) if not directed: res[v].append(u) return res def main(): N, M, S, G = NMI() ABC = EI(M) Graph = adjlist(N, ABC, in_origin=0) INF = 10**10 D = [[INF]*N for _ in range(N)] for i in range(N): D[i][i] = 0 for a, b, c in ABC: D[a][b] = c D[b][a] = c for k in range(N): for i in range(N): for j in range(N): D[i][j] = min(D[i][j], D[i][k] + D[k][j]) total = D[S][G] ans = [S] while ans[-1] != G: now = ans[-1] for b, c in sorted(Graph[now]): if c + D[b][G] == total: total -= c ans.append(b) break print(*ans) if __name__ == "__main__": main()