| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 19854 |
2016-02-25T06:19:16 Z |
Qwaz |
동전 (kriii4_E) |
C++ |
|
43 ms |
2232 KB |
#include <iostream>
#include <vector>
using namespace std;
const int mod = 1000000007;
// dp[last][xor]
int dp[256][256] = {0}, ndp[256][256];
inline void add_to(int &a, int b) {
a = (a + b) % mod;
}
int main() {
int n;
cin >> n;
dp[0][0] = 1;
for (int l = 0; l < n; l++) {
for (int i = 0; i <= l + 1; i++)
for (int j = 0; j <= l + 1; j++)
ndp[i][j] = 0;
for (int i = 0; i <= l; i++)
for (int j = 0; j <= l; j++) {
// not flipped
add_to(ndp[i + 1][j ^ i ^ (i + 1)], dp[i][j]);
// flipped
add_to(ndp[0][j], dp[i][j]);
}
for (int i = 0; i <= l + 1; i++)
for (int j = 0; j <= l + 1; j++)
dp[i][j] = ndp[i][j];
}
int sum = 0;
for (int i = 0; i <= n; i++)
add_to(sum, dp[i][0]);
cout << sum << endl;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2232 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
2232 KB |
Output is correct |
| 2 |
Correct |
13 ms |
2232 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 7 |
Correct |
24 ms |
2232 KB |
Output is correct |
| 8 |
Correct |
33 ms |
2232 KB |
Output is correct |
| 9 |
Correct |
6 ms |
2232 KB |
Output is correct |
| 10 |
Correct |
31 ms |
2232 KB |
Output is correct |
| 11 |
Correct |
2 ms |
2232 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2232 KB |
Output is correct |
| 13 |
Correct |
29 ms |
2232 KB |
Output is correct |
| 14 |
Correct |
16 ms |
2232 KB |
Output is correct |
| 15 |
Correct |
6 ms |
2232 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 17 |
Correct |
40 ms |
2232 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 19 |
Correct |
13 ms |
2232 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 21 |
Correct |
21 ms |
2232 KB |
Output is correct |
| 22 |
Correct |
14 ms |
2232 KB |
Output is correct |
| 23 |
Correct |
8 ms |
2232 KB |
Output is correct |
| 24 |
Correct |
4 ms |
2232 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2232 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 27 |
Correct |
28 ms |
2232 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2232 KB |
Output is correct |
| 29 |
Correct |
28 ms |
2232 KB |
Output is correct |
| 30 |
Correct |
43 ms |
2232 KB |
Output is correct |
