oj.uz

Submission #374678

# Submission time Handle Problem Language Result Execution time Memory
374678 2021-03-07T20:27:21 Z meperdonas203 Raisins (IOI09_raisins) C++17
100 / 100
 1161 ms 27116 KB 
#include <bits/stdc++.h>
using namespace std;
int matriz[52][52];
int memo[52][52][52][52];
int n,m;
int suma(int i,int j,int a,int b){
  return (matriz[a][b]+matriz[i-1][j-1])-(matriz[a][j-1]+matriz[i-1][b]);
}
int dp(int i,int j,int a,int b){
  if(i==a and j==b )return 0;
  if(memo[i][j][a][b]==200000000){
  for(int k=i;k<a;k++){
    memo[i][j][a][b]=min(memo[i][j][a][b],dp(i,j,k,b)+dp(k+1,j,a,b)+suma(i,j,a,b));
  }
  for(int c=j;c<b;c++){
    memo[i][j][a][b]=min(memo[i][j][a][b],dp(i,j,a,c)+dp(i,c+1,a,b)+suma(i,j,a,b));
  }
  }
  return memo[i][j][a][b];
}
int main() {
  ios_base::sync_with_stdio(0);cin.tie(0);
  cin>>n>>m;
  for(int i=1;i<=50;i++){
    for(int j=1;j<=50;j++){
      for(int a=1;a<=50;a++){
        for(int b=1;b<=50;b++){
          memo[i][j][a][b]=200000000;
        }
      }
    }
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
      cin>>matriz[i][j];
    }
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
      matriz[i][j]+=matriz[i][j-1];
    }
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=m;j++){
      matriz[i][j]+=matriz[i-1][j];
    }
  }
  cout<<dp(1,1,n,m);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 26988 KB Output is correct
2 Correct 17 ms 26988 KB Output is correct
3 Correct 17 ms 26988 KB Output is correct
4 Correct 17 ms 26988 KB Output is correct
5 Correct 19 ms 26988 KB Output is correct
6 Correct 18 ms 26988 KB Output is correct
7 Correct 18 ms 26988 KB Output is correct
8 Correct 30 ms 26988 KB Output is correct
9 Correct 40 ms 26988 KB Output is correct
10 Correct 52 ms 26988 KB Output is correct
11 Correct 46 ms 26988 KB Output is correct
12 Correct 125 ms 26988 KB Output is correct
13 Correct 206 ms 26988 KB Output is correct
14 Correct 66 ms 26988 KB Output is correct
15 Correct 247 ms 26988 KB Output is correct
16 Correct 35 ms 26988 KB Output is correct
17 Correct 106 ms 26988 KB Output is correct
18 Correct 627 ms 27116 KB Output is correct
19 Correct 1004 ms 27116 KB Output is correct
20 Correct 1161 ms 26988 KB Output is correct