oj.uz

Submission #371249

# Submission time Handle Problem Language Result Execution time Memory
371249 2021-02-26T09:50:05 Z uacoder123 Raisins (IOI09_raisins) C++14
95 / 100
 1452 ms 58860 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) lli(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <ii,lli> iii;
typedef vector <lli> vi;
typedef tree<lli,null_type,less<lli>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
ii dp[50][50][50][50];
int arr[50][50],n,m;
ii cal(int r1,int c1,int r2,int c2)
{
  if(dp[r1][c1][r2][c2].F>0)
    return dp[r1][c1][r2][c2];
  if(r1==r2&&c1==c2)
  {
    dp[r1][c1][r2][c2]=mp(0,arr[r1][c1]);
    return dp[r1][c1][r2][c2];
  }
  dp[r1][c1][r2][c2]=mp(1000*25000,1000*25000);
  for(int i=r1;i<r2;++i)
  {
    ii v1=cal(r1,c1,i,c2),v2=cal(i+1,c1,r2,c2);
    dp[r1][c1][r2][c2]=min(dp[r1][c1][r2][c2],mp(v1.F+v1.S+v2.F+v2.S,v1.S+v2.S));
  }
  for(int i=c2-1;i>=c1;--i)
  {
    ii v1=cal(r1,c1,r2,i),v2=cal(r1,i+1,r2,c2);
    dp[r1][c1][r2][c2]=min(dp[r1][c1][r2][c2],mp(v1.F+v1.S+v2.F+v2.S,v1.S+v2.S));
  }
  return dp[r1][c1][r2][c2];
}
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);\
  cin>>n>>m;
  for(int i=0;i<n;++i)
  {
    for(int j=0;j<m;++j)
    {
      cin>>arr[i][j];
    }
  }
  cout<<cal(0,0,n-1,m-1).F<<endl;
  return 0;
}

Subtask #1
95.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 2 ms 1260 KB Output is correct
7 Correct 2 ms 1516 KB Output is correct
8 Correct 15 ms 4844 KB Output is correct
9 Correct 26 ms 7404 KB Output is correct
10 Correct 37 ms 8940 KB Output is correct
11 Correct 36 ms 7148 KB Output is correct
12 Correct 139 ms 16748 KB Output is correct
13 Correct 208 ms 22080 KB Output is correct
14 Correct 49 ms 9068 KB Output is correct
15 Correct 275 ms 24832 KB Output is correct
16 Correct 27 ms 8556 KB Output is correct
17 Correct 127 ms 18280 KB Output is correct
18 Correct 732 ms 43500 KB Output is correct
19 Incorrect 1251 ms 54064 KB Output isn't correct
20 Correct 1452 ms 58860 KB Output is correct