結果
問題 | No.2805 Go to School |
ユーザー | NP |
提出日時 | 2024-07-12 21:58:30 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,263 bytes |
コンパイル時間 | 320 ms |
コンパイル使用メモリ | 82,432 KB |
実行使用メモリ | 267,408 KB |
最終ジャッジ日時 | 2024-07-12 21:59:12 |
合計ジャッジ時間 | 25,633 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 43 ms
55,160 KB |
testcase_01 | AC | 42 ms
55,304 KB |
testcase_02 | AC | 42 ms
54,700 KB |
testcase_03 | AC | 41 ms
55,056 KB |
testcase_04 | AC | 874 ms
171,420 KB |
testcase_05 | WA | - |
testcase_06 | AC | 499 ms
121,596 KB |
testcase_07 | AC | 696 ms
166,724 KB |
testcase_08 | AC | 574 ms
124,780 KB |
testcase_09 | AC | 464 ms
125,620 KB |
testcase_10 | AC | 1,722 ms
266,536 KB |
testcase_11 | AC | 1,133 ms
179,176 KB |
testcase_12 | AC | 1,557 ms
218,184 KB |
testcase_13 | AC | 333 ms
108,804 KB |
testcase_14 | AC | 41 ms
54,800 KB |
testcase_15 | AC | 41 ms
56,088 KB |
testcase_16 | AC | 41 ms
54,684 KB |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 1,104 ms
182,820 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 369 ms
134,488 KB |
testcase_25 | AC | 1,097 ms
267,408 KB |
testcase_26 | AC | 615 ms
206,068 KB |
testcase_27 | AC | 93 ms
83,232 KB |
testcase_28 | AC | 134 ms
101,708 KB |
testcase_29 | AC | 299 ms
154,376 KB |
testcase_30 | AC | 581 ms
146,212 KB |
testcase_31 | AC | 810 ms
264,860 KB |
testcase_32 | AC | 1,275 ms
256,984 KB |
testcase_33 | AC | 64 ms
69,388 KB |
testcase_34 | AC | 66 ms
70,560 KB |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | AC | 1,044 ms
217,768 KB |
ソースコード
import heapq, sys from collections import defaultdict input = sys.stdin.read data = input().split() N, M, L, S, E = map(int, data[:5]) paths = [(int(data[i]), int(data[i+1]), int(data[i+2])) for i in range(5, 5 + 3 * M, 3)] toilets = list(map(int, data[5 + 3 * M:])) g = defaultdict(dict) for a, b, t in paths: g[a][b] = min(g[a].get(b, float('inf')), t) g[b][a] = min(g[b].get(a, float('inf')), t) def dijkstra(g, start): d = {i: float('inf') for i in g} d[start] = 0 q = [(0, start)] while q: cd, cn = heapq.heappop(q) if cd > d[cn]: continue for n, w in g[cn].items(): dist = cd + w if dist < d[n]: d[n] = dist heapq.heappush(q, (dist, n)) return d try: mt = dijkstra(g, 1) rg = defaultdict(dict) for a in g: for b in g[a]: rg[b][a] = g[a][b] mf = dijkstra(rg, N) min_t = float('inf') for t in toilets: at = mt[t] if at < S: tt = S + 1 + mf[t] elif at <= S + E - 0.99: tt = at + 1 + mf[t] else: continue if tt < min_t: min_t = tt print(-1 if min_t == float('inf') else int(min_t)) except KeyError: print(-1)