結果
問題 | No.2696 Sign Creation |
ユーザー | FromBooska |
提出日時 | 2024-03-23 17:43:33 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,443 bytes |
コンパイル時間 | 174 ms |
コンパイル使用メモリ | 82,548 KB |
実行使用メモリ | 90,288 KB |
最終ジャッジ日時 | 2024-05-17 18:24:46 |
合計ジャッジ時間 | 8,610 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 48 ms
61,988 KB |
testcase_01 | AC | 49 ms
63,440 KB |
testcase_02 | AC | 46 ms
55,688 KB |
testcase_03 | AC | 44 ms
55,636 KB |
testcase_04 | AC | 44 ms
55,820 KB |
testcase_05 | AC | 43 ms
56,632 KB |
testcase_06 | WA | - |
testcase_07 | AC | 45 ms
55,996 KB |
testcase_08 | AC | 142 ms
77,840 KB |
testcase_09 | WA | - |
testcase_10 | AC | 154 ms
78,256 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 455 ms
81,836 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 504 ms
81,912 KB |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 128 ms
77,684 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 266 ms
78,752 KB |
testcase_28 | WA | - |
testcase_29 | AC | 206 ms
78,008 KB |
testcase_30 | WA | - |
testcase_31 | AC | 469 ms
90,288 KB |
testcase_32 | AC | 48 ms
62,268 KB |
testcase_33 | AC | 70 ms
73,212 KB |
testcase_34 | AC | 46 ms
56,332 KB |
testcase_35 | AC | 43 ms
55,780 KB |
testcase_36 | AC | 43 ms
56,580 KB |
testcase_37 | AC | 42 ms
54,996 KB |
testcase_38 | AC | 42 ms
55,568 KB |
testcase_39 | WA | - |
testcase_40 | WA | - |
ソースコード
# D小さい、HW積小さい、Union Findでまず星をつなげて、それから空きマスからルート探索 # 最小値最大値を求めるのが面倒 class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * n def find(self, x): if self.parents[x] < 0: return x else: self.parents[x] = self.find(self.parents[x]) return self.parents[x] def unite(self, x, y): x = self.find(x) y = self.find(y) if x == y: return if self.parents[x] > self.parents[y]: x, y = y, x self.parents[x] += self.parents[y] self.parents[y] = x def size(self, x): return -self.parents[self.find(x)] def same(self, x, y): return self.find(x) == self.find(y) def members(self, x): root = self.find(x) return [i for i in range(self.n) if self.find(i) == root] def roots(self): return [i for i, x in enumerate(self.parents) if x < 0] def group_count(self): return len(self.roots()) def all_group_members(self): group_members = defaultdict(list) for member in range(self.n): group_members[self.find(member)].append(member) return group_members def __str__(self): return '\n'.join(f'{r}: {m}' for r, m in self.all_group_members().items()) H, W, N, D = map(int, input().split()) board = [[-1]*W for i in range(H)] XY = [] for i in range(N): x, y = map(int, input().split()) x -= 1 y -= 1 XY.append((x, y)) board[x][y] = i from collections import defaultdict UF = UnionFind(N) for h in range(H): for w in range(W): if board[h][w]>=0: for dh in range(max(0, h-D), min(H, h+D+1)): for dw in range(max(0, w-D), min(W, w+D+1)): if (dh, dw)==(h, w): continue if board[dh][dw]>=0: UF.unite(board[h][w], board[dh][dw]) initial_count = 0 for members in UF.all_group_members().values(): if len(members)>=2: initial_count += 1 mn = initial_count mx = initial_count for h in range(H): for w in range(W): if board[h][w]==-1: seiza = 0 star = 0 root_visited = set() for dh in range(max(0, h-D), min(H, h+D+1)): for dw in range(max(0, w-D), min(W, w+D+1)): if (dh, dw)==(h, w): continue if board[dh][dw]>=0: r = UF.find(board[dh][dw]) if r not in root_visited: root_visited.add(r) if UF.size(r) == 1: star += 1 elif UF.size(r) >= 2: seiza += 1 #print('h', h, 'w', w, 'calc', calc) if seiza == 0: if star <= 1: pass elif star >= 2: mn = min(mn, initial_count+1) mx = max(mx, initial_count+1) elif seiza == 1: pass elif seiza >= 2: mn = min(mn, initial_count-(seiza-1)) mx = max(mx, initial_count-(seiza-1)) print(mn, mx)