| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 9723 |
2014-09-28T08:22:20 Z |
silas |
On grid (kriii2_O) |
C++ |
|
1000 ms |
2392 KB |
#include <iostream>
#include <vector>
#include <string.h>
#define INF -987654321
using namespace std;
int R, C;
int arr[303][303];
int cache[303][303];
int psum_element(int y, int x, int val) {
int ret = val;
if (x - 1 >= 1) {
ret += arr[y][x-1];
}
if (y - 1 >= 1) {
ret += arr[y-1][x];
}
if (x - 1 >= 1 && y - 1>= 1)
ret -= arr[y-1][x-1];
return ret;
}
int dp (int y, int x) {
if (y == 1)
return arr[1][x];
if (x == 1)
return arr[y][1];
int &ret = cache[y][x];
ret = INF;
for (int i = y - 1; i >= 1; i--) {
for (int j = x - 1; j >= 1; j--) {
if (cache[i][j] != -1)
ret = max(ret, cache[i][j] + arr[y][x] - arr[y][j] - arr[i][x] + arr[i][j]);
else
ret = max(ret, dp(i, j) + arr[y][x] - arr[y][j] - arr[i][x] + arr[i][j]);
}
}
ret = max(ret, arr[y][x]);
return ret;
}
int main() {
cin >> R >> C;
memset(cache, -1, sizeof(cache));
int temp;
for (int i = 1 ; i <= R; i++) {
for (int j = 1 ; j <= C; j++) {
cin >> temp;
arr[i][j] = psum_element(i, j, temp);
}
}
cout << dp(R, C) << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 3 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 4 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 5 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 7 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 8 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 9 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 10 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 11 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 12 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 13 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 14 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 15 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 16 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 17 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 18 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 19 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 20 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 21 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 22 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 23 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 24 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 25 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 26 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 27 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 28 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 29 |
Correct |
0 ms |
2392 KB |
Output is correct |
| 30 |
Correct |
0 ms |
2392 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
516 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
196 ms |
2392 KB |
Output is correct |
| 3 |
Correct |
832 ms |
2392 KB |
Output is correct |
| 4 |
Correct |
468 ms |
2392 KB |
Output is correct |
| 5 |
Correct |
224 ms |
2392 KB |
Output is correct |
| 6 |
Execution timed out |
1000 ms |
2392 KB |
Program timed out |
| 7 |
Halted |
0 ms |
0 KB |
- |
