結果
問題 | No.2412 YOU Grow Bigger! |
ユーザー | mkawa2 |
提出日時 | 2023-08-11 23:26:54 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,041 bytes |
コンパイル時間 | 759 ms |
コンパイル使用メモリ | 82,240 KB |
実行使用メモリ | 77,404 KB |
最終ジャッジ日時 | 2024-11-18 18:55:15 |
合計ジャッジ時間 | 3,629 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 36 ms
53,492 KB |
testcase_01 | AC | 37 ms
54,088 KB |
testcase_02 | AC | 42 ms
53,704 KB |
testcase_03 | AC | 77 ms
76,336 KB |
testcase_04 | AC | 81 ms
76,492 KB |
testcase_05 | AC | 109 ms
76,624 KB |
testcase_06 | AC | 102 ms
76,536 KB |
testcase_07 | AC | 84 ms
76,500 KB |
testcase_08 | AC | 108 ms
76,904 KB |
testcase_09 | AC | 52 ms
65,080 KB |
testcase_10 | AC | 47 ms
62,312 KB |
testcase_11 | AC | 41 ms
54,580 KB |
testcase_12 | AC | 38 ms
53,616 KB |
testcase_13 | AC | 72 ms
74,516 KB |
testcase_14 | AC | 54 ms
63,900 KB |
testcase_15 | AC | 60 ms
65,756 KB |
testcase_16 | WA | - |
testcase_17 | AC | 54 ms
63,924 KB |
testcase_18 | AC | 96 ms
76,680 KB |
testcase_19 | AC | 45 ms
62,460 KB |
testcase_20 | AC | 40 ms
54,652 KB |
testcase_21 | AC | 72 ms
73,740 KB |
testcase_22 | WA | - |
testcase_23 | AC | 128 ms
77,124 KB |
testcase_24 | WA | - |
testcase_25 | AC | 110 ms
77,116 KB |
testcase_26 | AC | 51 ms
64,612 KB |
testcase_27 | AC | 106 ms
76,616 KB |
testcase_28 | AC | 87 ms
76,700 KB |
testcase_29 | WA | - |
testcase_30 | AC | 38 ms
55,408 KB |
ソースコード
import sys # sys.setrecursionlimit(200005) # sys.set_int_max_str_digits(1000005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() # dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = -1-(-1 << 63) # md = 10**9+7 md = 998244353 class UnionFind: def __init__(self, n): self._tree = [-1]*n # number of connected component self.cnt = n def root(self, u): stack = [] while self._tree[u] >= 0: stack.append(u) u = self._tree[u] for v in stack: self._tree[v] = u return u def same(self, u, v): return self.root(u) == self.root(v) def merge(self, u, v): u, v = self.root(u), self.root(v) if u == v: return False if self._tree[u] > self._tree[v]: u, v = v, u self._tree[u] += self._tree[v] self._tree[v] = u self.cnt -= 1 return True # size of connected component def size(self, u): return -self._tree[self.root(u)] h, w = LI() ss = [[(c == "#")*1 for c in SI()] for _ in range(h)] for i in range(h): for j in range(w): if ss[i][j] == 1: for di, dj in dij: ni, nj = i+di, j+dj if ni < 0 or nj < 0 or ni >= h or nj >= w: continue if ss[ni][nj] == 0: ss[ni][nj] = 2 # p2D(ss) s = h*w t = s+1 uf = UnionFind(h*w+2) i = 0 for j in range(w): if ss[i][j]: uf.merge(s, i*w+j) j = w-1 for i in range(h): if ss[i][j]: uf.merge(s, i*w+j) i = h-1 for j in range(w): if ss[i][j]: uf.merge(t, i*w+j) j = 0 for i in range(h): if ss[i][j]: uf.merge(t, i*w+j) for i in range(h): for j in range(w): if i+1 < h and ss[i][j] and ss[i+1][j]: uf.merge(i*w+j, (i+1)*w+j) if j+1 < w and ss[i][j] and ss[i][j+1]: uf.merge(i*w+j, i*w+j+1) if uf.same(s, t): print(0) exit() def ok(i, j): res = 0 if i<2 or j>=w-2:res|=1 if i>=h-2 or j<2:res|=2 for di in range(-2, 3): for dj in range(-2, 3): if (di,dj)==(-2,-2) or (di,dj)==(2,-2) or (di,dj)==(-2,2) or (di,dj)==(2,2):continue ni, nj = i+di, j+dj if ni < 0 or nj < 0 or ni >= h or nj >= w: continue if uf.same(ni*w+nj, s): res |= 1 if uf.same(ni*w+nj, t): res |= 2 if res == 3: return True return False for i in range(1, h-1): for j in range(1, w-1): if i < 3 and j < 3: continue if i >= h-3 and j >= w-3: continue if ok(i, j): print(1) exit() print(2)