結果

問題 No.2871 Universal Serial Bus
ユーザー ra5anchor
提出日時 2024-09-06 21:56:45
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 110 ms / 2,000 ms
コード長 1,313 bytes
コンパイル時間 232 ms
コンパイル使用メモリ 82,836 KB
実行使用メモリ 76,312 KB
最終ジャッジ日時 2024-09-06 21:57:47
合計ジャッジ時間 2,682 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
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ファイルパターン 結果
sample AC * 1
other AC * 18
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 #
プレゼンテーションモードにする

H, W = map(int, input().split())
S = [list(input().rstrip()) for _ in range(H)]
T = [list(input().rstrip()) for _ in range(H)]
for i in range(H):
    S[i] = [list(x) for x in S[i]]
    T[i] = [list(x) for x in T[i]]
def judge(S, T):
    for i in range(H):
        for j in range(W):
            if S[i][j] == T[i][j]:
                return False
    return True
ok1 = judge(S, T)
Sr = [list(x)[::-1] for x in zip(*S)]
Srr = [list(x)[::-1] for x in zip(*Sr)]
ok2 = judge(Srr, T)
# print(ok1, ok2)
if ok1 == True and ok2 == True:
    e = 0
    rem = 1
    for i in range(10**6):
        p = rem * (1 - 2 ** (-i))
        e += p * (i+1)
        rem -= p
        if e > 0 and e < 10**(-7):
            break
elif ok1 == False and ok2 == False:
    e = -1
elif ok1 == True and ok2 == False:
    e = 0
    rem = 1
    for i in range(10**6):
        if i % 2 == 0:
            p = rem * (1 - 2 ** (-i))
        else:
            p = 0
        e += p * (i+1)
        rem -= p
        if e > 0 and e < 10**(-7):
            break
elif ok1 == False and ok2 == True:
    e = 0
    rem = 1
    for i in range(10**6):
        if i % 2 == 1:
            p = rem * (1 - 2 ** (-i))
        else:
            p = 0
        e += p * (i+1)
        rem -= p
        if e > 0 and e < 10**(-7):
            break
print(e)
    
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