oj.uz

Submission #398058

# Submission time Handle Problem Language Result Execution time Memory
398058 2021-05-03T15:24:49 Z ak2006 Raisins (IOI09_raisins) C++14
100 / 100
 254 ms 33100 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vvvvi = vector<vvvi>;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
//int solve(int x1,int y1,int x2,int y2,vvvvi&dp)
//{
//    if (dp[x1][y1][x2][y2] != -1)return dp[x1][y1][x2][y2];
//
//}
int main()
{
    int n,m;
    cin>>n>>m;
    vvi g(n + 1,vi(m + 1)),p(n + 1,vi(m + 1));
    vvvvi dp(n + 1,vvvi(m + 1,vvi(n + 1,vi(m + 1,1e9))));
    for (int i = 1;i<=n;i++){
        for (int j = 1;j<=m;j++){
            cin>>g[i][j];
            p[i][j] = g[i][j] + p[i - 1][j] + p[i][j - 1] - p[i - 1][j - 1];
        }
    }
    for (int x1 = n; x1 >= 1 ; x1--){
        for (int y1 = m; y1 >= 1 ; y1--){
            for (int x2 = x1; x2 <= n ;x2++){
                for (int y2 = y1; y2 <= m ;y2++){

                    dp[x1][y1][x2][y2] = 1e9;

                    if (x1 == x2 && y1 == y2)dp[x1][y1][x2][y2] = 0;

                    int val = p[x2][y2] + p[x1 - 1][y1 - 1] - p[x2][y1 - 1] - p[x1 - 1][y2];


                    for (int x = x1; x < x2 ;x++)
                        dp[x1][y1][x2][y2] = min(dp[x1][y1][x2][y2],val + dp[x1][y1][x][y2] + dp[x + 1][y1][x2][y2]);


                    for (int y = y1; y < y2 ;y++)
                        dp[x1][y1][x2][y2] = min(dp[x1][y1][x2][y2],val + dp[x1][y1][x2][y] + dp[x1][y + 1][x2][y2]);

                }
            }
        }
    }

    cout<<dp[1][1][n][m];
    return 0;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 4 ms 1444 KB Output is correct
9 Correct 6 ms 2252 KB Output is correct
10 Correct 8 ms 2764 KB Output is correct
11 Correct 7 ms 2380 KB Output is correct
12 Correct 22 ms 6240 KB Output is correct
13 Correct 40 ms 9028 KB Output is correct
14 Correct 11 ms 3404 KB Output is correct
15 Correct 47 ms 10160 KB Output is correct
16 Correct 6 ms 1996 KB Output is correct
17 Correct 24 ms 5232 KB Output is correct
18 Correct 127 ms 19716 KB Output is correct
19 Correct 221 ms 28204 KB Output is correct
20 Correct 254 ms 33100 KB Output is correct