結果
問題 |
No.1141 田グリッド
|
ユーザー |
![]() |
提出日時 | 2020-11-27 02:16:40 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 1,375 bytes |
コンパイル時間 | 388 ms |
コンパイル使用メモリ | 82,716 KB |
実行使用メモリ | 93,568 KB |
最終ジャッジ日時 | 2024-07-23 21:16:37 |
合計ジャッジ時間 | 5,570 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 18 RE * 13 |
ソースコード
import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for k in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for k in range(c)] for k in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10**9) INF = 10**19 MOD = 10**9 + 7 EPS = 10**-10 def div(x, y, MOD): return x * pow(y, MOD-2, MOD) % MOD H, W = MAP() grid = list2d(H+2 ,W+2, 1) for i in range(1, H+1): grid[i] = [1] + LIST() + [1] if grid[i].count(0): raise Exception for i in range(H+2): for j in range(W+1): grid[i][j+1] *= grid[i][j] grid[i][j+1] %= MOD for j in range(W+2): for i in range(H+1): grid[i+1][j] *= grid[i][j] grid[i+1][j] %= MOD Q = INT() for _ in range(Q): r, c = MAP() rd = div(grid[H+1][W+1] * grid[r][c], grid[H+1][c] * grid[r][W+1], MOD) ru = div(grid[r-1][W+1], grid[r-1][c], MOD) ld = div(grid[H+1][c-1], grid[r][c-1], MOD) lu = grid[r-1][c-1] res = rd * ru * ld * lu % MOD print(res)