| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 900516 |
2024-01-08T12:11:02 Z |
guechotjrhh |
Tents (JOI18_tents) |
C++14 |
|
69 ms |
492 KB |
#include<iostream>
#include<vector>
using namespace std;
#define ll long long
int mod = 1e9 + 7;
int func(int n, int m) {
vector<ll> dp1(m+1, 0), dp2(m+1, 0), dp3(m+1, 0);
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
dp3[j] = dp2[j]; //empty
dp3[j] += (1 + dp2[j-1]) * 4 * j; //one, not connected
if (j > 1) dp3[j] += (1 + dp2[j - 2]) * (j * (j-1))/2; //2 in the row
if (i > 0) dp3[j] += (1 + dp1[j-1]) * j * (i-1);//one col, 2 in the col
dp3[j] %= mod;
}
dp1 = dp2;
dp2 = dp3;
}
return dp2[m];
}
int main() {
int n, m;
cin >> n >> m;
cout << func(n, m) << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
344 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
440 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
43 ms |
348 KB |
Output is correct |
| 16 |
Correct |
3 ms |
348 KB |
Output is correct |
| 17 |
Correct |
10 ms |
344 KB |
Output is correct |
| 18 |
Correct |
11 ms |
348 KB |
Output is correct |
| 19 |
Correct |
50 ms |
348 KB |
Output is correct |
| 20 |
Correct |
39 ms |
348 KB |
Output is correct |
| 21 |
Correct |
26 ms |
348 KB |
Output is correct |
| 22 |
Correct |
25 ms |
348 KB |
Output is correct |
| 23 |
Correct |
13 ms |
344 KB |
Output is correct |
| 24 |
Correct |
69 ms |
348 KB |
Output is correct |
| 25 |
Correct |
51 ms |
492 KB |
Output is correct |
| 26 |
Correct |
58 ms |
344 KB |
Output is correct |
| 27 |
Correct |
66 ms |
348 KB |
Output is correct |
