結果

問題 No.1704 Many Bus Stops (easy)
ユーザー ああいい
提出日時 2022-04-26 11:59:10
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 548 ms / 2,000 ms
コード長 924 bytes
コンパイル時間 192 ms
コンパイル使用メモリ 82,048 KB
実行使用メモリ 77,556 KB
最終ジャッジ日時 2024-06-28 07:27:51
合計ジャッジ時間 18,411 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
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ファイルパターン 結果
sample AC * 1
other AC * 41
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

T = int(input())
P = 10 ** 9 + 7
n = 6
def seki(x,y):
n = 6
l = [[0] * n for _ in range(n)]
for i in range(n):
for j in range(n):
for k in range(n):
l[i][j] += x[i][k] * y[k][j] % P
l[i][j] %= P
return l
inv = pow(3,P-2,P)
R = [[0] * n for _ in range(n)]
e = [[0] * n for _ in range(n)]
for i in range(n):
e[i][i] = 1
for i in range(3):
R[i][i+3] = 1
R[i+3][i+3] = inv
for i in range(3):
for j in range(3):
if i == j:continue
R[i + 3][j] = inv
for _ in range(T):
N = int(input())
ee = [[0] * n for _ in range(n)]
RR = [[0] * n for _ in range(n)]
for i in range(n):
for j in range(n):
ee[i][j] = e[i][j]
RR[i][j] = R[i][j]
while N:
if N & 1:
ee = seki(ee,RR)
RR = seki(RR,RR)
N >>= 1
ans = ee[0][0] + ee[0][3] * inv
print(ans % P)
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