結果

問題 No.2946 Puyo
ユーザー shimonohnishishimonohnishi
提出日時 2024-11-03 18:03:34
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,188 ms / 2,000 ms
コード長 2,488 bytes
コンパイル時間 494 ms
コンパイル使用メモリ 82,616 KB
実行使用メモリ 279,796 KB
最終ジャッジ日時 2024-11-03 18:04:10
合計ジャッジ時間 29,792 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
このコードへのチャレンジ
(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 38 ms
54,064 KB
testcase_01 AC 39 ms
52,968 KB
testcase_02 AC 35 ms
53,692 KB
testcase_03 AC 684 ms
274,780 KB
testcase_04 AC 698 ms
275,152 KB
testcase_05 AC 681 ms
279,796 KB
testcase_06 AC 706 ms
275,132 KB
testcase_07 AC 721 ms
274,880 KB
testcase_08 AC 113 ms
87,256 KB
testcase_09 AC 251 ms
139,856 KB
testcase_10 AC 107 ms
83,336 KB
testcase_11 AC 335 ms
185,820 KB
testcase_12 AC 109 ms
90,536 KB
testcase_13 AC 41 ms
60,352 KB
testcase_14 AC 136 ms
94,204 KB
testcase_15 AC 93 ms
82,308 KB
testcase_16 AC 139 ms
100,748 KB
testcase_17 AC 377 ms
212,672 KB
testcase_18 AC 83 ms
76,748 KB
testcase_19 AC 235 ms
114,624 KB
testcase_20 AC 308 ms
118,444 KB
testcase_21 AC 430 ms
177,560 KB
testcase_22 AC 123 ms
82,856 KB
testcase_23 AC 305 ms
105,768 KB
testcase_24 AC 690 ms
166,992 KB
testcase_25 AC 578 ms
157,832 KB
testcase_26 AC 655 ms
159,668 KB
testcase_27 AC 83 ms
76,696 KB
testcase_28 AC 881 ms
133,792 KB
testcase_29 AC 1,188 ms
156,940 KB
testcase_30 AC 682 ms
120,028 KB
testcase_31 AC 997 ms
140,620 KB
testcase_32 AC 965 ms
145,972 KB
testcase_33 AC 766 ms
135,976 KB
testcase_34 AC 1,059 ms
161,460 KB
testcase_35 AC 856 ms
154,372 KB
testcase_36 AC 811 ms
161,088 KB
testcase_37 AC 784 ms
171,640 KB
testcase_38 AC 551 ms
141,512 KB
testcase_39 AC 508 ms
148,136 KB
testcase_40 AC 312 ms
130,992 KB
testcase_41 AC 658 ms
190,668 KB
testcase_42 AC 540 ms
186,460 KB
testcase_43 AC 874 ms
131,744 KB
testcase_44 AC 987 ms
147,312 KB
testcase_45 AC 844 ms
134,544 KB
testcase_46 AC 571 ms
109,548 KB
testcase_47 AC 770 ms
128,092 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import sys
import pypyjit
H, W = map(int, input().split())
S = [list(input()) for _ in range(H)]

pypyjit.set_param('max_unroll_recursion=-1')
sys.setrecursionlimit(2000000)


class dsu():
    n = 1
    parent_or_size = [-1 for i in range(n)]

    def __init__(self, N):
        self.n = N
        self.parent_or_size = [-1 for i in range(N)]

    def merge(self, a, b):
        assert 0 <= a < self.n, "0<=a<n,a={0},n={1}".format(a, self.n)
        assert 0 <= b < self.n, "0<=b<n,b={0},n={1}".format(b, self.n)
        x = self.leader(a)
        y = self.leader(b)
        if x == y:
            return x
        if (-self.parent_or_size[x] < -self.parent_or_size[y]):
            x, y = y, x
        self.parent_or_size[x] += self.parent_or_size[y]
        self.parent_or_size[y] = x
        return x

    def same(self, a, b):
        assert 0 <= a < self.n, "0<=a<n,a={0},n={1}".format(a, self.n)
        assert 0 <= b < self.n, "0<=b<n,b={0},n={1}".format(b, self.n)
        return self.leader(a) == self.leader(b)

    def leader(self, a):
        assert 0 <= a < self.n, "0<=a<n,a={0},n={1}".format(a, self.n)
        if (self.parent_or_size[a] < 0):
            return a
        self.parent_or_size[a] = self.leader(self.parent_or_size[a])
        return self.parent_or_size[a]

    def size(self, a):
        assert 0 <= a < self.n, "0<=a<n,a={0},n={1}".format(a, self.n)
        return -self.parent_or_size[self.leader(a)]

    def groups(self):
        leader_buf = [0 for i in range(self.n)]
        group_size = [0 for i in range(self.n)]
        for i in range(self.n):
            leader_buf[i] = self.leader(i)
            group_size[leader_buf[i]] += 1
        result = [[] for i in range(self.n)]
        for i in range(self.n):
            result[leader_buf[i]].append(i)
        result2 = []
        for i in range(self.n):
            if len(result[i]) > 0:
                result2.append(result[i])
        return result2


dxy = [[1, 0], [-1, 0], [0, 1], [0, -1]]

DSU = dsu(H * W)
for i in range(H):
    for j in range(W):
        if S[i][j] == '.':
            continue
        for dx, dy in dxy:
            ni, nj = i + dx, j + dy
            if 0 <= ni < H and 0 <= nj < W and S[ni][nj] == S[i][j]:
                DSU.merge(i * W + j, ni * W + nj)

# 連結成分のサイズが4以上の場所を.に変える
for g in DSU.groups():
    if len(g) < 4:
        continue
    for i in g:
        S[i // W][i % W] = '.'
print('\n'.join([''.join(s) for s in S]))
0