#include<stdio.h>
#include<algorithm>
using namespace std;
int D[2][310][310], n, m, S[310][310], pv, D2[2][310];
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", &S[i][j]);
S[i][j] += S[i][j - 1];
}
}
for (i = 1; i <= m; i++){
D2[0][i] = D[0][i][i] = S[1][i];
for (j = 1; j < i; j++)D[0][i][j] = -1999999999;
}
for (i = 2; i <= n; i++){
for (j = 1; j <= m; j++)D2[!pv][j] = -1999999999;
D2[pv][0] = -1999999999;
for (j = 1; j <= m; j++){
for (k = 1; k <= j; k++){
D[!pv][j][k] = max(D[pv][j][k], D2[pv][j - k]) + S[i][j] - S[i][j - k];
D2[!pv][j] = max(D2[!pv][j], D[!pv][j][k]);
}
}
pv = !pv;
}
printf("%d\n", D2[pv][m]);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
2216 KB |
Output is correct |
2 |
Correct |
0 ms |
2216 KB |
Output is correct |
3 |
Correct |
0 ms |
2216 KB |
Output is correct |
4 |
Correct |
0 ms |
2216 KB |
Output is correct |
5 |
Correct |
0 ms |
2216 KB |
Output is correct |
6 |
Correct |
0 ms |
2216 KB |
Output is correct |
7 |
Correct |
0 ms |
2216 KB |
Output is correct |
8 |
Correct |
0 ms |
2216 KB |
Output is correct |
9 |
Correct |
0 ms |
2216 KB |
Output is correct |
10 |
Correct |
0 ms |
2216 KB |
Output is correct |
11 |
Correct |
0 ms |
2216 KB |
Output is correct |
12 |
Correct |
0 ms |
2216 KB |
Output is correct |
13 |
Correct |
0 ms |
2216 KB |
Output is correct |
14 |
Correct |
0 ms |
2216 KB |
Output is correct |
15 |
Correct |
0 ms |
2216 KB |
Output is correct |
16 |
Correct |
0 ms |
2216 KB |
Output is correct |
17 |
Correct |
0 ms |
2216 KB |
Output is correct |
18 |
Correct |
0 ms |
2216 KB |
Output is correct |
19 |
Correct |
0 ms |
2216 KB |
Output is correct |
20 |
Correct |
0 ms |
2216 KB |
Output is correct |
21 |
Correct |
0 ms |
2216 KB |
Output is correct |
22 |
Correct |
0 ms |
2216 KB |
Output is correct |
23 |
Correct |
0 ms |
2216 KB |
Output is correct |
24 |
Correct |
0 ms |
2216 KB |
Output is correct |
25 |
Correct |
0 ms |
2216 KB |
Output is correct |
26 |
Correct |
0 ms |
2216 KB |
Output is correct |
27 |
Correct |
0 ms |
2216 KB |
Output is correct |
28 |
Correct |
0 ms |
2216 KB |
Output is correct |
29 |
Correct |
0 ms |
2216 KB |
Output is correct |
30 |
Correct |
0 ms |
2216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
2216 KB |
Output is correct |
2 |
Correct |
4 ms |
2216 KB |
Output is correct |
3 |
Correct |
12 ms |
2216 KB |
Output is correct |
4 |
Correct |
8 ms |
2216 KB |
Output is correct |
5 |
Correct |
8 ms |
2216 KB |
Output is correct |
6 |
Correct |
36 ms |
2216 KB |
Output is correct |
7 |
Correct |
12 ms |
2216 KB |
Output is correct |
8 |
Correct |
40 ms |
2216 KB |
Output is correct |
9 |
Correct |
52 ms |
2216 KB |
Output is correct |
10 |
Correct |
64 ms |
2216 KB |
Output is correct |
11 |
Correct |
20 ms |
2216 KB |
Output is correct |
12 |
Correct |
12 ms |
2216 KB |
Output is correct |
13 |
Correct |
8 ms |
2216 KB |
Output is correct |
14 |
Correct |
44 ms |
2216 KB |
Output is correct |
15 |
Correct |
16 ms |
2216 KB |
Output is correct |
16 |
Correct |
4 ms |
2216 KB |
Output is correct |
17 |
Correct |
32 ms |
2216 KB |
Output is correct |
18 |
Correct |
28 ms |
2216 KB |
Output is correct |
19 |
Correct |
8 ms |
2216 KB |
Output is correct |
20 |
Correct |
12 ms |
2216 KB |
Output is correct |
21 |
Correct |
12 ms |
2216 KB |
Output is correct |
22 |
Correct |
4 ms |
2216 KB |
Output is correct |
23 |
Correct |
8 ms |
2216 KB |
Output is correct |
24 |
Correct |
44 ms |
2216 KB |
Output is correct |
25 |
Correct |
12 ms |
2216 KB |
Output is correct |
26 |
Correct |
4 ms |
2216 KB |
Output is correct |
27 |
Correct |
44 ms |
2216 KB |
Output is correct |
28 |
Correct |
20 ms |
2216 KB |
Output is correct |
29 |
Correct |
16 ms |
2216 KB |
Output is correct |
30 |
Correct |
20 ms |
2216 KB |
Output is correct |
31 |
Correct |
28 ms |
2216 KB |
Output is correct |
32 |
Correct |
52 ms |
2216 KB |
Output is correct |
33 |
Correct |
32 ms |
2216 KB |
Output is correct |
34 |
Correct |
12 ms |
2216 KB |
Output is correct |
35 |
Correct |
4 ms |
2216 KB |
Output is correct |
36 |
Correct |
64 ms |
2216 KB |
Output is correct |
37 |
Correct |
16 ms |
2216 KB |
Output is correct |
38 |
Correct |
20 ms |
2216 KB |
Output is correct |
39 |
Correct |
8 ms |
2216 KB |
Output is correct |
40 |
Correct |
8 ms |
2216 KB |
Output is correct |