oj.uz

Submission #236235

# Submission time Handle Problem Language Result Execution time Memory
236235 2020-05-31T18:17:26 Z nicolaalexandra Raisins (IOI09_raisins) C++14
100 / 100
 817 ms 21624 KB 
#include <bits/stdc++.h>
#define DIM 52
#define INF 2000000000
using namespace std;

int sp[DIM][DIM],a[DIM][DIM],opt[DIM][DIM][DIM][DIM];
int n,m,i,j;

int solve (int x, int y, int x2, int y2){
    if (x == x2 && y == y2)
        return 0;

    if (opt[x][y][x2][y2]) /// am mai calculat deja starea asta
        return opt[x][y][x2][y2];

    int sol = INF;

    for (int i=y;i<y2;i++)
        sol = min (sol,solve(x,y,x2,i) + solve(x,i+1,x2,y2));

    for (int i=x;i<x2;i++)
        sol = min (sol,solve(x,y,i,y2) + solve(i+1,y,x2,y2));

    opt[x][y][x2][y2] = sol + sp[x2][y2] - sp[x2][y-1] - sp[x-1][y2] + sp[x-1][y-1];

    return opt[x][y][x2][y2];
}
int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n>>m;
    for (i=1;i<=n;i++)
        for (j=1;j<=m;j++){
            cin>>a[i][j];
            sp[i][j] = sp[i-1][j] + sp[i][j-1] - sp[i-1][j-1] + a[i][j];
        }

    cout<<solve (1,1,n,m);


    return 0;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 14 ms 2688 KB Output is correct
9 Correct 19 ms 3712 KB Output is correct
10 Correct 27 ms 4352 KB Output is correct
11 Correct 23 ms 3840 KB Output is correct
12 Correct 76 ms 7424 KB Output is correct
13 Correct 119 ms 9592 KB Output is correct
14 Correct 36 ms 4732 KB Output is correct
15 Correct 145 ms 10616 KB Output is correct
16 Correct 17 ms 3712 KB Output is correct
17 Correct 57 ms 7424 KB Output is correct
18 Correct 379 ms 16632 KB Output is correct
19 Correct 647 ms 20064 KB Output is correct
20 Correct 817 ms 21624 KB Output is correct