結果
問題 | No.348 カゴメカゴメ |
ユーザー | maspy |
提出日時 | 2020-04-16 00:10:19 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 959 ms / 2,000 ms |
コード長 | 2,156 bytes |
コンパイル時間 | 232 ms |
コンパイル使用メモリ | 82,556 KB |
実行使用メモリ | 182,940 KB |
最終ジャッジ日時 | 2024-10-01 19:08:49 |
合計ジャッジ時間 | 12,653 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 342 ms
126,648 KB |
testcase_01 | AC | 64 ms
68,736 KB |
testcase_02 | AC | 959 ms
182,940 KB |
testcase_03 | AC | 480 ms
126,964 KB |
testcase_04 | AC | 52 ms
64,896 KB |
testcase_05 | AC | 54 ms
67,328 KB |
testcase_06 | AC | 41 ms
53,888 KB |
testcase_07 | AC | 40 ms
54,400 KB |
testcase_08 | AC | 40 ms
53,888 KB |
testcase_09 | AC | 44 ms
55,040 KB |
testcase_10 | AC | 44 ms
54,400 KB |
testcase_11 | AC | 43 ms
54,400 KB |
testcase_12 | AC | 93 ms
77,824 KB |
testcase_13 | AC | 94 ms
77,212 KB |
testcase_14 | AC | 68 ms
72,832 KB |
testcase_15 | AC | 237 ms
126,960 KB |
testcase_16 | AC | 42 ms
53,888 KB |
testcase_17 | AC | 42 ms
54,144 KB |
testcase_18 | AC | 41 ms
54,272 KB |
testcase_19 | AC | 40 ms
54,400 KB |
testcase_20 | AC | 57 ms
64,768 KB |
testcase_21 | AC | 43 ms
54,656 KB |
testcase_22 | AC | 42 ms
54,144 KB |
testcase_23 | AC | 399 ms
126,820 KB |
testcase_24 | AC | 408 ms
114,668 KB |
testcase_25 | AC | 413 ms
126,780 KB |
testcase_26 | AC | 408 ms
126,964 KB |
testcase_27 | AC | 392 ms
126,752 KB |
testcase_28 | AC | 403 ms
126,660 KB |
testcase_29 | AC | 452 ms
126,700 KB |
testcase_30 | AC | 406 ms
126,888 KB |
testcase_31 | AC | 411 ms
126,960 KB |
testcase_32 | AC | 416 ms
126,704 KB |
testcase_33 | AC | 138 ms
81,536 KB |
testcase_34 | AC | 128 ms
81,664 KB |
testcase_35 | AC | 139 ms
81,536 KB |
testcase_36 | AC | 139 ms
81,280 KB |
testcase_37 | AC | 130 ms
81,280 KB |
testcase_38 | AC | 137 ms
81,496 KB |
testcase_39 | AC | 135 ms
81,528 KB |
testcase_40 | AC | 139 ms
81,536 KB |
testcase_41 | AC | 140 ms
81,524 KB |
testcase_42 | AC | 134 ms
81,408 KB |
testcase_43 | AC | 94 ms
77,184 KB |
testcase_44 | AC | 92 ms
76,672 KB |
testcase_45 | AC | 94 ms
76,800 KB |
testcase_46 | AC | 91 ms
77,156 KB |
testcase_47 | AC | 92 ms
77,116 KB |
testcase_48 | AC | 84 ms
76,928 KB |
testcase_49 | AC | 101 ms
77,056 KB |
testcase_50 | AC | 95 ms
77,020 KB |
testcase_51 | AC | 92 ms
76,800 KB |
testcase_52 | AC | 95 ms
76,928 KB |
ソースコード
import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines from collections import defaultdict H, W = map(int, readline().split()) A = [-1] * (W + 4) A += [-1] + [0] * (W + 2) + [-1] for _ in range(H): A += [-1, 0] + [1 * (x == ord('x')) for x in readline().rstrip()] + [0, -1] A += [-1] + [0] * (W + 2) + [-1] A += [-1] * (W + 4) H += 4 W += 4 N = H * W root = [0] * N for v in range(N): if A[v] or root[v]: continue stack = [v] root[v] = v while stack: v = stack.pop() for dx in (1, -1, W, -W): w = v + dx if A[w] or root[w]: continue root[w] = root[v] stack.append(w) component_size = defaultdict(int) for v in range(N): if A[v] != 1: continue nbd0 = [] nbdx = [] for dx in (1, -1, W - 1, W, W + 1, -W - 1, -W, -W + 1): w = v + dx if A[w]: nbdx.append(w) continue r = root[w] if not nbd0: nbd0.append(r) elif nbd0[0] != r and nbd0[-1] != r: nbd0.append(r) if len(nbd0) == 1: # 三角形 new_node = sum(pow(v, 10, 10 ** 9 + 7) for v in [v] + nbdx) nbd0.append(new_node) key = tuple(sorted(nbd0)) component_size[key] += 1 nodes = [] for (u, v) in component_size: nodes.append(u) nodes.append(v) nodes = sorted(set(nodes)) n_to_i = {n: i for i, n in enumerate(nodes)} N = len(nodes) if N == 0: print(0) exit() graph = [[] for _ in range(N)] for (u, v), x in component_size.items(): u = n_to_i[u] v = n_to_i[v] graph[u].append((v, x)) graph[v].append((u, x)) # あとは 木 dp root = 0 parent = [0] * N cost = [0] * N order = [] stack = [root] while stack: x = stack.pop() order.append(x) for y, c in graph[x]: if y == parent[x]: continue parent[y] = x cost[y] = c stack.append(y) dp0 = [0] * N dp1 = [0] * N for v in order[::-1][:-1]: p = parent[v] x = cost[v] dp0[p] += dp1[v] dp1[p] += max(dp0[v] + x, dp1[v]) print(dp1[0])