結果
問題 |
No.1898 Battle and Exchange
|
ユーザー |
![]() |
提出日時 | 2022-04-08 23:16:27 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,498 bytes |
コンパイル時間 | 189 ms |
コンパイル使用メモリ | 82,436 KB |
実行使用メモリ | 187,928 KB |
最終ジャッジ日時 | 2024-11-28 14:26:25 |
合計ジャッジ時間 | 30,447 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 53 WA * 5 |
ソースコード
mod = 998244353 def main(): import sys from heapq import heappop, heappush input = sys.stdin.readline def trade(X, Y): Z = sorted(X + Y, reverse=True) return Z[:3] N, M = map(int, input().split()) adj = [[] for _ in range(N + 1)] for _ in range(M): a, b = map(int, input().split()) adj[a].append(b) adj[b].append(a) ABC = [[0, 0, 0]] * (N + 1) for v in range(1, N+1): ABC[v] = list(map(int, input().split())) ABC_sum = [sum(abc) for abc in ABC] ans = 3 * 10 ** 8 ans_k = -1 for k in range(1): ok = 3 * 10 ** 8 ng = 1 mid = (ok + ng) // 2 while ok - ng > 1: X = [1] * 3 X[k] = mid # 頂点1で勝てるかどうか if sum(X) <= sum(ABC[1]): ng = mid mid = (ok + ng) // 2 continue else: diff_max = -10 ** 8 diff_max_idx = -1 for i in range(3): d = ABC[1][i] - X[i] if d > diff_max: diff_max = d diff_max_idx = i if X[diff_max_idx] < ABC[1][diff_max_idx]: X[diff_max_idx] = ABC[1][diff_max_idx] S = sum(X) flg = 0 for u in adj[1]: if S > ABC_sum[u]: flg = 1 break if not flg: ng = mid mid = (ok + ng) // 2 continue X = trade(X, ABC[1]) seen = [0] * (N + 1) pq = [(0, 1)] seen[1] = 1 flg = 1 while pq: s, v = heappop(pq) if s >= sum(X): flg = 0 break else: if v == N: break X = trade(X, ABC[v]) for u in adj[v]: if not seen[u]: heappush(pq, (ABC_sum[u], u)) seen[u] = 1 if flg: ok = mid else: ng = mid mid = (ok + ng) // 2 if ok + 2 < ans: ans = ok + 2 ans_k = k ANS = [1] * 3 ANS[ans_k] = ans - 2 print(*ANS) if __name__ == '__main__': main()