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Submission #531895

# Submission time Handle Problem Language Result Execution time Memory
531895 2022-03-01T20:44:25 Z __Variatto Raisins (IOI09_raisins) C++17
100 / 100
 243 ms 21016 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define ll long long
const int MAX=51, MAXV=1e9+10;
int n, m, dp[MAX][MAX][MAX][MAX], p[MAX][MAX], t[MAX][MAX];
int pref(int x1, int y1, int x2, int y2){
    return p[x2][y2]+p[x1-1][y1-1]-p[x1-1][y2]-p[x2][y1-1];
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            cin>>t[i][j];
            p[i][j]=p[i-1][j]+p[i][j-1]-p[i-1][j-1]+t[i][j];
        }
    }
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            if(i==1 && j==1) continue;
            for(int x=1; x<=n-i+1; x++){
                for(int y=1; y<=m-j+1; y++){
                    dp[x][y][x+i-1][y+j-1]=MAXV;
                    //pion
                    for(int l=y; l<=y+j-2; l++)
                        dp[x][y][x+i-1][y+j-1]=min(dp[x][y][x+i-1][y+j-1], dp[x][y][x+i-1][l]+dp[x][l+1][x+i-1][y+j-1]);
                    //poziom
                    for(int l=x; l<=x+i-2; l++)
                        dp[x][y][x+i-1][y+j-1]=min(dp[x][y][x+i-1][y+j-1], dp[x][y][l][y+j-1]+dp[l+1][y][x+i-1][y+j-1]);
                    dp[x][y][x+i-1][y+j-1]+=pref(x, y, x+i-1, y+j-1);

                }
            }
        }
    }
    cout<<dp[1][1][n][m]<<"\n";
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 1 ms 316 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 844 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 3 ms 2656 KB Output is correct
9 Correct 4 ms 3668 KB Output is correct
10 Correct 6 ms 4300 KB Output is correct
11 Correct 5 ms 3788 KB Output is correct
12 Correct 17 ms 7372 KB Output is correct
13 Correct 29 ms 9392 KB Output is correct
14 Correct 7 ms 4544 KB Output is correct
15 Correct 36 ms 10428 KB Output is correct
16 Correct 4 ms 3552 KB Output is correct
17 Correct 23 ms 7232 KB Output is correct
18 Correct 147 ms 15940 KB Output is correct
19 Correct 190 ms 19524 KB Output is correct
20 Correct 243 ms 21016 KB Output is correct