#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int arr[2222][2222], n;
int dp[2222][2222];
int getAns(int y, int x)
{
int &ret = dp[y][x];
if(ret != -1) return ret;
if(y == n - 1 and x == n - 1) ret = 0;
else
{
ret = (1 << 30);
if(y < n - 1) ret = min(ret, getAns(y + 1, x) + max(0, arr[y + 1][x] + 1 - arr[y][x]));
if(x < n - 1) ret = min(ret, getAns(y, x + 1) + max(0, arr[y][x + 1] + 1 - arr[y][x]));
}
return ret;
}
int main(void)
{
scanf("%d", &n);
for(int i = 0; i < n; i++)
for(int j = 0; j < n; j++)
scanf("%d", arr[i] + j);
memset(dp, -1, sizeof(dp));
printf("%d\n", getAns(0, 0));
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
4 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 18 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 19 |
Correct |
4 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 2 |
Correct |
0 ms |
39660 KB |
Output is correct |
| 3 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 4 |
Correct |
20 ms |
39660 KB |
Output is correct |
| 5 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 6 |
Correct |
8 ms |
39660 KB |
Output is correct |
| 7 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 8 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 9 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 10 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 11 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 12 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 13 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 14 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 15 |
Correct |
12 ms |
39660 KB |
Output is correct |
| 16 |
Correct |
4 ms |
39660 KB |
Output is correct |
| 17 |
Correct |
8 ms |
39660 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
656 ms |
39812 KB |
Output is correct |
| 2 |
Correct |
676 ms |
39812 KB |
Output is correct |
| 3 |
Correct |
664 ms |
39808 KB |
Output is correct |
| 4 |
Correct |
672 ms |
39812 KB |
Output is correct |
| 5 |
Correct |
584 ms |
39788 KB |
Output is correct |
| 6 |
Correct |
636 ms |
39804 KB |
Output is correct |
| 7 |
Correct |
692 ms |
39816 KB |
Output is correct |
| 8 |
Correct |
680 ms |
39816 KB |
Output is correct |
| 9 |
Correct |
668 ms |
39808 KB |
Output is correct |
| 10 |
Correct |
632 ms |
39816 KB |
Output is correct |
| 11 |
Correct |
636 ms |
39812 KB |
Output is correct |
| 12 |
Correct |
616 ms |
39808 KB |
Output is correct |
| 13 |
Correct |
572 ms |
39796 KB |
Output is correct |
| 14 |
Correct |
636 ms |
39812 KB |
Output is correct |
| 15 |
Correct |
516 ms |
39788 KB |
Output is correct |
| 16 |
Correct |
668 ms |
39812 KB |
Output is correct |
| 17 |
Correct |
644 ms |
39812 KB |
Output is correct |
| 18 |
Correct |
588 ms |
39804 KB |
Output is correct |
| 19 |
Correct |
632 ms |
39812 KB |
Output is correct |
| 20 |
Correct |
644 ms |
39816 KB |
Output is correct |
| 21 |
Correct |
616 ms |
39804 KB |
Output is correct |
