#include <stdio.h>
int N, M;
int A[301][301], S[301][301], D[301][301], V[301][301];
int main()
{
int i, j, k;
scanf("%d%d", &N, &M);
for (i=1;i<=N;i++) for (j=1;j<=M;j++) scanf("%d", A[i]+j), S[i][j] = A[i][j]+S[i-1][j]+S[i][j-1]-S[i-1][j-1];
for (i=0;i<=N;i++) for (j=0;j<=N;j++) V[i][j] = -1e9;
for (j=1;j<=M;j++) for (i=N;i;i--){
D[i][j] = S[i][j];
for (int a=0;a<i;a++){
if (V[a][i] > -1e9 && D[i][j] < V[a][i]+S[i][j]-S[a][j])
D[i][j] = V[a][i]+S[i][j]-S[a][j];
}
for (int a=i+1;a<=N;a++){
if (V[i][a] < D[i][j]-S[a][j]+S[i][j])
V[i][a] = D[i][j]-S[a][j]+S[i][j];
}
}
printf("%d\n", D[N][M]);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 23 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2504 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2504 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 2 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 3 |
Correct |
32 ms |
2504 KB |
Output is correct |
| 4 |
Correct |
24 ms |
2504 KB |
Output is correct |
| 5 |
Correct |
8 ms |
2504 KB |
Output is correct |
| 6 |
Correct |
40 ms |
2504 KB |
Output is correct |
| 7 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 8 |
Correct |
60 ms |
2504 KB |
Output is correct |
| 9 |
Correct |
96 ms |
2504 KB |
Output is correct |
| 10 |
Correct |
96 ms |
2504 KB |
Output is correct |
| 11 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 12 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 13 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 14 |
Correct |
60 ms |
2504 KB |
Output is correct |
| 15 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 16 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 17 |
Correct |
28 ms |
2504 KB |
Output is correct |
| 18 |
Correct |
28 ms |
2504 KB |
Output is correct |
| 19 |
Correct |
28 ms |
2504 KB |
Output is correct |
| 20 |
Correct |
8 ms |
2504 KB |
Output is correct |
| 21 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 22 |
Correct |
8 ms |
2504 KB |
Output is correct |
| 23 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 24 |
Correct |
60 ms |
2504 KB |
Output is correct |
| 25 |
Correct |
8 ms |
2504 KB |
Output is correct |
| 26 |
Correct |
8 ms |
2504 KB |
Output is correct |
| 27 |
Correct |
60 ms |
2504 KB |
Output is correct |
| 28 |
Correct |
24 ms |
2504 KB |
Output is correct |
| 29 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 30 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 31 |
Correct |
24 ms |
2504 KB |
Output is correct |
| 32 |
Correct |
72 ms |
2504 KB |
Output is correct |
| 33 |
Correct |
36 ms |
2504 KB |
Output is correct |
| 34 |
Correct |
12 ms |
2504 KB |
Output is correct |
| 35 |
Correct |
16 ms |
2504 KB |
Output is correct |
| 36 |
Correct |
96 ms |
2504 KB |
Output is correct |
| 37 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 38 |
Correct |
20 ms |
2504 KB |
Output is correct |
| 39 |
Correct |
16 ms |
2504 KB |
Output is correct |
| 40 |
Correct |
16 ms |
2504 KB |
Output is correct |
