結果

問題 No.2641 draw X
コンテスト
ユーザー chineristAC
提出日時 2024-02-19 23:00:11
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 2,912 bytes
コンパイル時間 330 ms
コンパイル使用メモリ 81,976 KB
実行使用メモリ 94,956 KB
最終ジャッジ日時 2024-09-29 02:42:45
合計ジャッジ時間 7,317 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3
other AC * 25 TLE * 1 -- * 15
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
from itertools import permutations
from heapq import heappop,heappush
from collections import deque
import random
import bisect

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

H,W = mi()
S = [input() for i in range(H)]

maximum_r = [[H+W]*W for i in range(H)]

for s in range(-(W-1),H):
    tmp = 0
    for j in range(0,W):
        i = s + j
        if not 0 <= i < H:
            continue

        if S[i][j] == "#":
            maximum_r[i][j] = min(maximum_r[i][j],tmp)
            tmp += 1
        else:
            maximum_r[i][j] = -1
            tmp = 0
    
    tmp = 0
    for j in range(W)[::-1]:
        i = s + j
        if not 0 <= i < H:
            continue

        if S[i][j] == "#":
            maximum_r[i][j] = min(maximum_r[i][j],tmp)
            tmp += 1
        else:
            maximum_r[i][j] = -1
            tmp = 0


for t in range(H+W-1):
    tmp = 0
    for j in range(W)[::-1]:
        i = t - j
        if not 0 <= i < H:
            continue

        if S[i][j] == "#":
            maximum_r[i][j] = min(maximum_r[i][j],tmp)
            tmp += 1
        else:
            maximum_r[i][j] = 0
            tmp = 0
    
    tmp = 0
    for j in range(W):
        i = t - j
        if not 0 <= i < H:
            continue

        if S[i][j] == "#":
            maximum_r[i][j] = min(maximum_r[i][j],tmp)
            tmp += 1
        else:
            maximum_r[i][j] = -1
            tmp = 0

final = [[0]*W for i in range(H)]
for s in range(-(W-1),H):
    tmp = -1
    for j in range(0,W):
        i = s + j
        if not 0 <= i < H:
            continue
        
        if maximum_r[i][j] > 0:
            tmp = max(tmp-1,maximum_r[i][j])
        else:
            tmp = tmp - 1
        if tmp >= 0:
            final[i][j] = 1

    tmp = 0
    for j in range(W)[::-1]:
        i = s + j
        if not 0 <= i < H:
            continue

        if maximum_r[i][j] > 0:
            tmp = max(tmp-1,maximum_r[i][j])
        else:
            tmp = tmp - 1
        if tmp >= 0:
            final[i][j] = 1

for t in range(H+W-1):
    tmp = 0
    for j in range(W)[::-1]:
        i = t - j
        if not 0 <= i < H:
            continue

        if maximum_r[i][j] > 0:
            tmp = max(tmp-1,maximum_r[i][j])
        else:
            tmp = tmp - 1
        if tmp >= 0:
            final[i][j] = 1
    
    tmp = 0
    for j in range(W):
        i = t - j
        if not 0 <= i < H:
            continue

        if maximum_r[i][j] > 0:
            tmp = max(tmp-1,maximum_r[i][j])
        else:
            tmp = tmp - 1
        if tmp >= 0:
            final[i][j] = 1

#for i in range(H):
    #print(maximum_r[i])
#print()
#for i in range(H):
    #print(final[i])
ans = "Yes"
for i in range(H):
    for j in range(W):
        if S[i][j] == "#" and not final[i][j]:
            ans = "No"
print(ans)
0