結果

問題 No.2641 draw X
ユーザー ニックネームニックネーム
提出日時 2024-02-19 23:47:40
言語 PyPy3
(7.3.15)
結果
TLE  
実行時間 -
コード長 2,202 bytes
コンパイル時間 2,825 ms
コンパイル使用メモリ 81,444 KB
実行使用メモリ 219,436 KB
最終ジャッジ日時 2024-02-19 23:48:08
合計ジャッジ時間 24,087 ms
ジャッジサーバーID
(参考情報)
judge13 / judge15
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 35 ms
53,460 KB
testcase_01 AC 36 ms
53,460 KB
testcase_02 AC 36 ms
53,460 KB
testcase_03 AC 37 ms
53,460 KB
testcase_04 AC 35 ms
53,460 KB
testcase_05 AC 35 ms
53,460 KB
testcase_06 AC 36 ms
53,460 KB
testcase_07 AC 35 ms
53,460 KB
testcase_08 AC 36 ms
53,460 KB
testcase_09 AC 37 ms
53,460 KB
testcase_10 AC 37 ms
53,460 KB
testcase_11 AC 36 ms
53,460 KB
testcase_12 AC 37 ms
53,460 KB
testcase_13 AC 36 ms
53,460 KB
testcase_14 AC 35 ms
53,460 KB
testcase_15 AC 385 ms
218,244 KB
testcase_16 AC 1,498 ms
219,436 KB
testcase_17 AC 36 ms
53,460 KB
testcase_18 AC 36 ms
53,460 KB
testcase_19 AC 36 ms
53,460 KB
testcase_20 AC 229 ms
86,664 KB
testcase_21 AC 275 ms
98,928 KB
testcase_22 AC 238 ms
86,032 KB
testcase_23 AC 235 ms
95,448 KB
testcase_24 AC 134 ms
83,956 KB
testcase_25 AC 151 ms
82,692 KB
testcase_26 AC 341 ms
98,676 KB
testcase_27 AC 207 ms
82,496 KB
testcase_28 AC 330 ms
125,072 KB
testcase_29 AC 396 ms
180,812 KB
testcase_30 AC 478 ms
168,756 KB
testcase_31 AC 486 ms
134,380 KB
testcase_32 AC 671 ms
187,192 KB
testcase_33 AC 1,141 ms
181,404 KB
testcase_34 AC 619 ms
139,348 KB
testcase_35 AC 722 ms
129,252 KB
testcase_36 AC 1,091 ms
204,388 KB
testcase_37 TLE -
testcase_38 AC 1,340 ms
197,364 KB
testcase_39 AC 1,450 ms
217,508 KB
testcase_40 TLE -
testcase_41 AC 916 ms
197,876 KB
testcase_42 AC 1,580 ms
203,796 KB
testcase_43 AC 1,480 ms
199,432 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 #

h,w = map(int,input().split())
s = [[v=="#" for v in input()] for _ in range(h)]
lurd = [t[:] for t in s]
for i in range(h-1):
    for j in range(w-1):
        lurd[i+1][j+1] += lurd[i][j]
rdlu = [t[:] for t in s]
for i in range(h-1,0,-1):
    for j in range(w-1,0,-1):
        rdlu[i-1][j-1] += rdlu[i][j]
ruld = [t[:] for t in s]
for i in range(h-1):
    for j in range(w-1,0,-1):
        ruld[i+1][j-1] += ruld[i][j]
ldru = [t[:] for t in s]
for i in range(h-1,0,-1):
    for j in range(w-1):
        ldru[i-1][j+1] += ldru[i][j]
p1 = [[0]*(w+1) for _ in range(h+1)]
p2 = [[0]*(w+1) for _ in range(h+1)]
p3 = [[0]*(w+1) for _ in range(h+1)]
p4 = [[0]*(w+1) for _ in range(h+1)]
for i in range(1,h-1):
    for j in range(1,w-1):
        if s[i][j]==0: continue
        ac1 = 0; wa = min(h-i,w-j)
        while wa-ac1>1:
            wj = (ac1+wa)//2
            if lurd[i+wj][j+wj]-lurd[i][j]==wj: ac1 = wj
            else: wa = wj
        ac2 = 0; wa = min(i+1,j+1)
        while wa-ac2>1:
            wj = (ac2+wa)//2
            if rdlu[i-wj][j-wj]-rdlu[i][j]==wj: ac2 = wj
            else: wa = wj
        ac3 = 0; wa = min(h-i,j+1)
        while wa-ac3>1:
            wj = (ac3+wa)//2
            if ruld[i+wj][j-wj]-ruld[i][j]==wj: ac3 = wj
            else: wa = wj
        ac4 = 0; wa = min(i+1,w-j)
        while wa-ac4>1:
            wj = (ac4+wa)//2
            if ldru[i-wj][j+wj]-ldru[i][j]==wj: ac4 = wj
            else: wa = wj
        m = min(ac1,ac2,ac3,ac4)
        if m==0: continue
        p1[i][j] += 1; p1[i+m+1][j+m+1] -= 1
        p2[i][j] += 1; p2[i-m-1][j-m-1] -= 1
        p3[i][j] += 1; p3[i+m+1][j-m-1] -= 1
        p4[i][j] += 1; p4[i-m-1][j+m+1] -= 1
t = [[False]*w for _ in range(h)]
for i in range(h):
    for j in range(w):
        t[i][j] |= p1[i][j]>0
        p1[i+1][j+1] += p1[i][j]
for i in range(h-1,-1,-1):
    for j in range(w-1,-1,-1):
        t[i][j] |= p2[i][j]>0
        p2[i-1][j-1] += p2[i][j]
for i in range(h):
    for j in range(w-1,-1,-1):
        t[i][j] |= p3[i][j]>0
        p3[i+1][j-1] += p3[i][j]
for i in range(h-1,-1,-1):
    for j in range(w):
        t[i][j] |= p4[i][j]>0
        p4[i-1][j+1] += p4[i][j]
print("Yes" if s==t else "No")
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