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Submission #394401

# Submission time Handle Problem Language Result Execution time Memory
394401 2021-04-26T13:52:36 Z iulia13 Raisins (IOI09_raisins) C++14
75 / 100
 944 ms 52284 KB 
#include <iostream>

using namespace std;
const int C = 51;
int dp[C][C][C][C];
int a[C][C];
int main()
{
    int n, m, i, j, ii, jj;
    cin >> n >> m;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= m; j++)
        {
            cin >> a[i][j];
            a[i][j] += (a[i][j - 1] + a[i - 1][j] - a[i - 1][j - 1]);
            for (ii = 1; ii <= n; ii++)
                for (jj = 1; jj <= m; jj++)
                    dp[i][j][ii][jj] = 1e9;
        }
    for (i = 1; i <= n; i++)
        for (j = 1; j <= m; j++)
            dp[i][j][i][j] = 0;
    for (int l = 1; l <= n + m - 2; l++)
        for (int x1 = 1; x1 <= n; x1++)
            for (int y1 = 1; y1 <= n; y1++)
                for (int x2 = x1; x2 <= n && x2 - x1 <= l; x2++)
                {
                    int y2 = y1 + (l - (x2 - x1));
                    int x = a[x2][y2] + a[x1 - 1][y1 - 1] - a[x1 - 1][y2] - a[x2][y1 - 1];
                    for (i = x1; i < x2; i++)
                        dp[x1][y1][x2][y2] = min(dp[x1][y1][x2][y2], dp[x1][y1][i][y2] + dp[i + 1][y1][x2][y2] + x);
                    for (i = y1; i < y2; i++)
                        dp[x1][y1][x2][y2] = min(dp[x1][y1][x2][y2], dp[x1][y1][x2][i] + dp[x1][i + 1][x2][y2] + x);
                }
    cout << dp[1][1][n][m];
    return 0;
}

Subtask #1
75.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 2 ms 1612 KB Output is correct
8 Incorrect 8 ms 3404 KB Output isn't correct
9 Correct 27 ms 5196 KB Output is correct
10 Correct 26 ms 5892 KB Output is correct
11 Incorrect 14 ms 4812 KB Output isn't correct
12 Correct 86 ms 10640 KB Output is correct
13 Correct 148 ms 12804 KB Output is correct
14 Incorrect 21 ms 6132 KB Output isn't correct
15 Correct 205 ms 14192 KB Output is correct
16 Correct 112 ms 13104 KB Output is correct
17 Correct 253 ms 16592 KB Output is correct
18 Correct 725 ms 22384 KB Output is correct
19 Correct 944 ms 24396 KB Output is correct
20 Runtime error 43 ms 52284 KB Execution killed with signal 11