結果
問題 |
No.1069 電柱 / Pole (Hard)
|
ユーザー |
![]() |
提出日時 | 2025-06-12 16:42:30 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,667 bytes |
コンパイル時間 | 409 ms |
コンパイル使用メモリ | 82,776 KB |
実行使用メモリ | 431,936 KB |
最終ジャッジ日時 | 2025-06-12 16:42:35 |
合計ジャッジ時間 | 4,468 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | TLE * 1 -- * 78 |
ソースコード
import math import heapq from collections import defaultdict def main(): import sys input = sys.stdin.read().split() ptr = 0 N = int(input[ptr]) ptr +=1 M = int(input[ptr]) ptr +=1 K = int(input[ptr]) ptr +=1 X = int(input[ptr])-1 ptr +=1 Y = int(input[ptr])-1 ptr +=1 points = [] for _ in range(N): p = int(input[ptr]) ptr +=1 q = int(input[ptr]) ptr +=1 points.append( (p, q) ) edges = defaultdict(list) for _ in range(M): P = int(input[ptr])-1 ptr +=1 Q = int(input[ptr])-1 ptr +=1 dx = points[P][0] - points[Q][0] dy = points[P][1] - points[Q][1] dist = math.hypot(dx, dy) edges[P].append( (Q, dist) ) edges[Q].append( (P, dist) ) heap = [] visited = set() heapq.heappush(heap, (0.0, X, frozenset([X])) ) results = [] found = 0 while heap and found < K: dist, u, path = heapq.heappop(heap) if u == Y: if (dist, path) not in visited: results.append(dist) visited.add( (dist, path) ) found +=1 continue for v, d in edges[u]: if v not in path: new_path = set(path) new_path.add(v) new_path_frozen = frozenset(new_path) new_dist = dist + d heapq.heappush(heap, (new_dist, v, new_path_frozen) ) for i in range(K): if i < len(results): print("{0:.6f}".format(results[i])) else: print(-1) if __name__ == "__main__": main()