結果
問題 | No.1810 RGB Biscuits |
ユーザー | mkawa2 |
提出日時 | 2022-01-14 22:01:32 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 323 ms / 2,000 ms |
コード長 | 1,634 bytes |
コンパイル時間 | 173 ms |
コンパイル使用メモリ | 81,844 KB |
実行使用メモリ | 77,316 KB |
最終ジャッジ日時 | 2024-11-20 10:10:48 |
合計ジャッジ時間 | 4,222 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 * 2 |
other | AC * 20 |
ソースコード
import sys # sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() # dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = 18446744073709551615 # inf = 4294967295 md = 10**9+7 # md = 998244353 def dot(aa, bb): h = len(aa) w = len(bb[0]) res = [[0]*w for _ in range(h)] for i, row in enumerate(aa): for j, col in enumerate(zip(*bb)): v = 0 # for a, b in zip(row, col): v += a*b # res[i][j] = v%md for a, b in zip(row, col): v += a*b%md res[i][j] = v%md return res def matpow(mat, e): n = len(mat) res = [[1 if i == j else 0 for j in range(n)] for i in range(n)] while e: if e & 1: res = dot(res, mat) mat = dot(mat, mat) e >>= 1 return res A, B = LI() odd = [[1, 0, A], [0, 1, B], [0, 0, 1]] even = [[0, 1, 0], [0, 0, 0], [1, 0, 0]] oe = dot(odd, even) for _ in range(II()): t = II() p, r = divmod(t, 2) cc = matpow(oe, p) if r: cc = dot(cc, odd) s = dot([[1, 1, 0]], cc) ans = sum(s[0])%md print(ans)