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Submission #415268

# Submission time Handle Problem Language Result Execution time Memory
415268 2021-05-31T18:59:07 Z Antekb Raisins (IOI09_raisins) C++14
100 / 100
 368 ms 52664 KB 
#include<bits/stdc++.h>
using namespace std;
const int N=51;
long long dp[N][N][N][N], sum[N][N][N][N];
int tab[N][N];
int main(){
    int n, m;
    cin>>n>>m;
    for(int i=0; i<n; i++){
        for(int j=0; j<m;j ++){
            cin>>sum[i][i][j][j];
        }
    }
    for(int d1=0; d1<n; d1++){
        for(int i=0; i<n-d1; i++){
            for(int d2=0; d2<m; d2++){
                for(int j=0; j<m-d2; j++){
                    if(d1==0 && d2==0)continue;
                    dp[i][i+d1][j][j+d2]=1e18;
                    if(d1){
                        sum[i][i+d1][j][j+d2]=sum[i][i][j][j+d2]+sum[i+1][i+d1][j][j+d2];
                        for(int k=0; k<d1; k++){
                            dp[i][i+d1][j][j+d2]=min(dp[i][i+d1][j][j+d2], dp[i][i+k][j][j+d2]+dp[i+k+1][i+d1][j][j+d2]);
                        }
                    }
                    if(d2){
                        sum[i][i+d1][j][j+d2]=sum[i][i+d1][j][j]+sum[i][i+d1][j+1][j+d2];
                        for(int k=0; k<d2; k++){
                            dp[i][i+d1][j][j+d2]=min(dp[i][i+d1][j][j+d2], dp[i][i+d1][j][j+k]+dp[i][i+d1][j+k+1][j+d2]);
                        }
                    }
                    dp[i][i+d1][j][j+d2]+=sum[i][i+d1][j][j+d2];
                    //cout<<i<<" "<<i+d1<<" "<<j<<" "<<j+d2<<" "<<dp[i][i+d1][j][j+d2]<<" "<<sum[i][i+d1][j][j+d2]<<"\n";
                }
            }
        }
    }
    cout<<dp[0][n-1][0][m-1];
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 300 KB Output is correct
3 Correct 1 ms 428 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 2 ms 1228 KB Output is correct
7 Correct 2 ms 1964 KB Output is correct
8 Correct 6 ms 4772 KB Output is correct
9 Correct 8 ms 7884 KB Output is correct
10 Correct 10 ms 9292 KB Output is correct
11 Correct 8 ms 6732 KB Output is correct
12 Correct 54 ms 17476 KB Output is correct
13 Correct 47 ms 22772 KB Output is correct
14 Correct 11 ms 8396 KB Output is correct
15 Correct 44 ms 25988 KB Output is correct
16 Correct 12 ms 13004 KB Output is correct
17 Correct 24 ms 22324 KB Output is correct
18 Correct 189 ms 46152 KB Output is correct
19 Correct 253 ms 48592 KB Output is correct
20 Correct 368 ms 52664 KB Output is correct