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Submission #771873

# Submission time Handle Problem Language Result Execution time Memory
771873 2023-07-03T10:53:13 Z cnastea Raisins (IOI09_raisins) C++14
100 / 100
 748 ms 26516 KB 
#include <bits/stdc++.h>
using namespace std;
int a[50][50];
int d[50][50][50][50];
bool b[50][50][50][50];

int f(int p, int q, int r, int s){
    if(p == r && q == s) {
        return 0;
    }
    if (b[p][q][r][s]) {
        return d[p][q][r][s];
    }
    else b[p][q][r][s] = 1;
    int m = 1e9, t = 0;
    for(int i = p; i <= r; i++){
        for(int j = q; j <= s; j++){
            t += a[i][j];
        }
    }
    for(int i = p+1; i <= r; i++){
        int x, y;
        x = f(p, q, i-1, s);
        y = f(i, q, r, s);
        m = min(m, x + y + t);
    }
    for(int i = q+1; i <= s; i++){
        int x, y;
        x = f(p, q, r, i-1);
        y = f(p, i, r, s);
        m = min(m, x + y + t);
    }
    d[p][q][r][s] = m;
    return m;
}

int main()
{
    int n, m;
    cin >> n >> m;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            cin >> a[i][j];
        }
    }
    cout << f(0, 0, n-1, m-1);
    return 0;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 596 KB Output is correct
6 Correct 1 ms 1108 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 9 ms 3668 KB Output is correct
9 Correct 16 ms 4892 KB Output is correct
10 Correct 29 ms 5904 KB Output is correct
11 Correct 20 ms 5124 KB Output is correct
12 Correct 71 ms 9764 KB Output is correct
13 Correct 159 ms 12268 KB Output is correct
14 Correct 31 ms 6352 KB Output is correct
15 Correct 148 ms 13592 KB Output is correct
16 Correct 12 ms 4692 KB Output is correct
17 Correct 61 ms 9408 KB Output is correct
18 Correct 383 ms 20520 KB Output is correct
19 Correct 667 ms 24924 KB Output is correct
20 Correct 748 ms 26516 KB Output is correct