結果
問題 | No.119 旅行のツアーの問題 |
ユーザー | 👑 cologne |
提出日時 | 2022-02-05 22:28:15 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 1,442 ms / 5,000 ms |
コード長 | 2,019 bytes |
コンパイル時間 | 269 ms |
コンパイル使用メモリ | 87,244 KB |
実行使用メモリ | 94,284 KB |
最終ジャッジ日時 | 2023-09-02 06:52:36 |
合計ジャッジ時間 | 10,159 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge11 |
(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 | 100 ms
77,264 KB |
testcase_01 | AC | 565 ms
85,528 KB |
testcase_02 | AC | 70 ms
71,576 KB |
testcase_03 | AC | 70 ms
71,412 KB |
testcase_04 | AC | 70 ms
71,364 KB |
testcase_05 | AC | 122 ms
77,792 KB |
testcase_06 | AC | 872 ms
89,936 KB |
testcase_07 | AC | 68 ms
71,476 KB |
testcase_08 | AC | 69 ms
71,084 KB |
testcase_09 | AC | 70 ms
71,320 KB |
testcase_10 | AC | 68 ms
71,368 KB |
testcase_11 | AC | 70 ms
71,296 KB |
testcase_12 | AC | 69 ms
71,532 KB |
testcase_13 | AC | 70 ms
71,400 KB |
testcase_14 | AC | 1,442 ms
93,884 KB |
testcase_15 | AC | 94 ms
77,320 KB |
testcase_16 | AC | 1,388 ms
94,284 KB |
testcase_17 | AC | 70 ms
71,344 KB |
testcase_18 | AC | 70 ms
71,312 KB |
testcase_19 | AC | 96 ms
77,196 KB |
testcase_20 | AC | 211 ms
79,784 KB |
testcase_21 | AC | 855 ms
89,724 KB |
testcase_22 | AC | 1,386 ms
94,212 KB |
ソースコード
def main(): N = int(input()) BC = [tuple(map(int, input().split())) for i in range(N)] M = int(input()) DE = [tuple(map(int, input().split())) for i in range(M)] first_N = N // 2 second_N = N - first_N first_cost = BC[:first_N] second_cost = BC[first_N:] first_adj = [0 for i in range(first_N)] second_adj = [0 for i in range(second_N)] center_adj = [0 for i in range(first_N)] for d, e in DE: if d < first_N and e < first_N: first_adj[d] |= 1 << e elif d >= first_N and e >= first_N: second_adj[e-first_N] |= 1 << (d-first_N) else: center_adj[d] |= 1 << (e - first_N) # bitmask of tour going first_values = [0] * (1 << first_N) for i in range(1 << first_N): forced_tour = 0 for j in range(first_N): if i & (1 << j): forced_tour |= first_adj[j] first_values[i] += first_cost[j][0] elif not (forced_tour & (1 << j)): first_values[i] += first_cost[j][1] # bitmask of not tour going second_values = [0] * (1 << second_N) for i in range(1 << second_N): forced_notour = 0 for j in range(second_N-1, -1, -1): if i & (1 << j): forced_notour |= second_adj[j] second_values[i] += second_cost[j][1] elif not (forced_notour & (1 << j)): second_values[i] += second_cost[j][0] # SOS propagate for j in range(second_N): for i in range(1 << second_N): second_values[i | (1 << j)] = \ max(second_values[i | (1 << j)], second_values[i]) ans = 0 for i in range(1 << first_N): forced_tour = 0 for j in range(first_N): if i & (1 << j): forced_tour |= center_adj[j] ans = max(ans, first_values[i] + second_values[(1 << second_N)-1-forced_tour]) print(ans) if __name__ == '__main__': main()