結果
問題 | No.1479 Matrix Eraser |
ユーザー | 小野寺健 |
提出日時 | 2021-04-29 09:03:06 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 1,973 ms / 3,000 ms |
コード長 | 1,850 bytes |
コンパイル時間 | 74 ms |
コンパイル使用メモリ | 12,800 KB |
実行使用メモリ | 189,560 KB |
最終ジャッジ日時 | 2024-07-08 08:11:19 |
合計ジャッジ時間 | 47,030 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 25 ms
11,008 KB |
testcase_01 | AC | 24 ms
10,880 KB |
testcase_02 | AC | 25 ms
11,008 KB |
testcase_03 | AC | 25 ms
10,880 KB |
testcase_04 | AC | 25 ms
11,008 KB |
testcase_05 | AC | 24 ms
11,008 KB |
testcase_06 | AC | 24 ms
10,752 KB |
testcase_07 | AC | 201 ms
30,880 KB |
testcase_08 | AC | 327 ms
45,244 KB |
testcase_09 | AC | 697 ms
81,264 KB |
testcase_10 | AC | 1,402 ms
132,448 KB |
testcase_11 | AC | 828 ms
92,592 KB |
testcase_12 | AC | 251 ms
36,416 KB |
testcase_13 | AC | 323 ms
45,512 KB |
testcase_14 | AC | 257 ms
37,676 KB |
testcase_15 | AC | 75 ms
16,760 KB |
testcase_16 | AC | 284 ms
40,108 KB |
testcase_17 | AC | 1,768 ms
157,780 KB |
testcase_18 | AC | 1,722 ms
158,032 KB |
testcase_19 | AC | 1,716 ms
158,140 KB |
testcase_20 | AC | 1,786 ms
158,004 KB |
testcase_21 | AC | 1,774 ms
157,896 KB |
testcase_22 | AC | 1,790 ms
157,788 KB |
testcase_23 | AC | 1,761 ms
157,912 KB |
testcase_24 | AC | 1,759 ms
157,764 KB |
testcase_25 | AC | 1,768 ms
158,136 KB |
testcase_26 | AC | 1,752 ms
157,992 KB |
testcase_27 | AC | 1,964 ms
36,480 KB |
testcase_28 | AC | 1,889 ms
36,224 KB |
testcase_29 | AC | 1,934 ms
36,096 KB |
testcase_30 | AC | 1,973 ms
36,608 KB |
testcase_31 | AC | 1,922 ms
36,480 KB |
testcase_32 | AC | 1,786 ms
36,816 KB |
testcase_33 | AC | 1,816 ms
36,708 KB |
testcase_34 | AC | 1,791 ms
36,824 KB |
testcase_35 | AC | 1,812 ms
36,672 KB |
testcase_36 | AC | 1,854 ms
36,692 KB |
testcase_37 | AC | 92 ms
10,752 KB |
testcase_38 | AC | 1,926 ms
58,880 KB |
testcase_39 | AC | 1,820 ms
189,560 KB |
testcase_40 | AC | 26 ms
10,880 KB |
ソースコード
def add_edge(u, v): global match G[u].append(v) G[v].append(u) def dfs(v): global match, G, used used[v] = True for i in range(len(G[v])): u = G[v][i] w = match[u] if w < 0 or not used[w] and dfs(w): match[v] = u match[u] = v return True return False def bipartite_matching(): global match, V, used res = 0 match = [-1] * V for v in range(V): if match[v] < 0: used = [False] * V if dfs(v): res += 1 return res def mpc(xn, yn): res = bipartite_matching() matched = match[h:h+w] left = xn right = 0 redges = matched for v in range(xn): if v not in matched: left -= 1 for u in G[v]: right += 1 if redges[u-h] >= 0: left -= 1 return left + right if __name__ == '__main__': H, W = map(int, input().split()) S = dict() for i in range(H): for j, a in enumerate(list(map(int, input().split()))): if a > 0: if a not in S: S[a] = [dict(), dict()] if i in S[a][0]: ai = S[a][0][i] else: ai = len(S[a][0]) S[a][0][i] = ai if j in S[a][1]: aj = S[a][1][j] else: aj = len(S[a][1]) S[a][1][j] = aj S[a].append((ai, aj)) cnt = 0 for a, pairs in S.items(): h = len(pairs[0]) w = len(pairs[1]) V = h + w G = [[] for _ in range(V)] for i, j in pairs[2:]: add_edge(i, j+h) n = mpc(h, w) cnt += n print(cnt)