結果
問題 | No.997 Jumping Kangaroo |
ユーザー | hedwig100 |
提出日時 | 2020-04-15 12:34:51 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 29 ms / 2,000 ms |
コード長 | 2,272 bytes |
コンパイル時間 | 326 ms |
コンパイル使用メモリ | 12,928 KB |
実行使用メモリ | 11,008 KB |
最終ジャッジ日時 | 2024-10-01 18:42:22 |
合計ジャッジ時間 | 2,069 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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 | 25 ms
10,880 KB |
testcase_01 | AC | 25 ms
11,008 KB |
testcase_02 | AC | 25 ms
11,008 KB |
testcase_03 | AC | 26 ms
11,008 KB |
testcase_04 | AC | 25 ms
11,008 KB |
testcase_05 | AC | 25 ms
11,008 KB |
testcase_06 | AC | 25 ms
10,880 KB |
testcase_07 | AC | 25 ms
10,880 KB |
testcase_08 | AC | 26 ms
11,008 KB |
testcase_09 | AC | 25 ms
10,880 KB |
testcase_10 | AC | 25 ms
10,880 KB |
testcase_11 | AC | 29 ms
11,008 KB |
testcase_12 | AC | 25 ms
11,008 KB |
testcase_13 | AC | 27 ms
10,880 KB |
testcase_14 | AC | 25 ms
10,880 KB |
testcase_15 | AC | 25 ms
10,880 KB |
testcase_16 | AC | 26 ms
10,880 KB |
testcase_17 | AC | 25 ms
10,880 KB |
testcase_18 | AC | 26 ms
10,880 KB |
testcase_19 | AC | 25 ms
10,880 KB |
testcase_20 | AC | 26 ms
10,880 KB |
testcase_21 | AC | 25 ms
11,008 KB |
testcase_22 | AC | 26 ms
10,880 KB |
testcase_23 | AC | 26 ms
10,880 KB |
testcase_24 | AC | 26 ms
10,880 KB |
testcase_25 | AC | 26 ms
10,880 KB |
testcase_26 | AC | 25 ms
10,880 KB |
testcase_27 | AC | 25 ms
11,008 KB |
ソースコード
MOD = 10 ** 9 + 7 INF = 10 ** 10 import sys sys.setrecursionlimit(100000000) dy = (-1,0,1,0) dx = (0,1,0,-1) from collections import deque class Matrix(list): def mul(self,B,mod = 0): C = Matrix([[0] * len(B[0]) for _ in range(len(self))]) if mod == 0: for i in range(len(self)): for k in range(len(B)): for j in range(len(B[0])): C[i][j] += self[i][k] * B[k][j] return C else: for i in range(len(self)): for k in range(len(B)): for j in range(len(B[0])): C[i][j] = (C[i][j] + self[i][k] * B[k][j]) % mod return C def pow(self,n,mod = 0): if len(self) != len(self[0]): raise ValueError('the size of matrix is not different') if mod == 0: B = Matrix([[0] * len(self) for _ in range(len(self))]) A = self for i in range(len(self)): B[i][i] = 1 while n > 0: if (n&1): B = B.mul(A) A = A.mul(A) n //= 2 return B else: B = Matrix([[0] * len(self) for _ in range(len(self))]) A = self for i in range(len(self)): B[i][i] = 1 while n > 0: if (n&1): B = B.mul(A,mod) A = A.mul(A,mod) n //= 2 return B def main(): n,w,k = map(int,input().split()) a = list(map(int,input().split())) dp = [0] * (2 * w + 1) dp[0] = 1 for i in range(w): for j in range(n): if i + 1 - a[j] >= 0: dp[i + 1] += dp[i + 1 - a[j]] dp[i + 1] %= MOD for i in range(w,2*w): for j in range(n): if i + 1 - a[j] >= 0 and i + 1 - a[j] != w: dp[i + 1] += dp[i + 1 - a[j]] dp[i + 1] %= MOD n1,n2 = dp[w],dp[2*w] M = Matrix([[n1,n2],[1,0]]) M = M.pow(k,MOD) ans = (M[1][0] * n1 + M[1][1] * 1)%MOD print(ans) if __name__ =='__main__': main()