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Submission #394403

# Submission time Handle Problem Language Result Execution time Memory
394403 2021-04-26T13:53:33 Z iulia13 Raisins (IOI09_raisins) C++14
75 / 100
 1347 ms 103912 KB 
#include <iostream>

using namespace std;
#define ll long long
const int C = 51;
ll dp[C][C][C][C];
ll 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));
                    ll 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 1100 KB Output is correct
7 Correct 3 ms 2124 KB Output is correct
8 Incorrect 9 ms 4888 KB Output isn't correct
9 Correct 27 ms 7908 KB Output is correct
10 Correct 28 ms 9036 KB Output is correct
11 Incorrect 16 ms 7212 KB Output isn't correct
12 Correct 116 ms 17340 KB Output is correct
13 Correct 239 ms 22488 KB Output is correct
14 Incorrect 27 ms 9068 KB Output isn't correct
15 Correct 289 ms 25848 KB Output is correct
16 Correct 173 ms 21512 KB Output is correct
17 Correct 386 ms 29356 KB Output is correct
18 Correct 1033 ms 43528 KB Output is correct
19 Correct 1347 ms 48332 KB Output is correct
20 Runtime error 85 ms 103912 KB Execution killed with signal 11