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Submission #719015

# Submission time Handle Problem Language Result Execution time Memory
719015 2023-04-05T08:37:24 Z NintsiChkhaidze Raisins (IOI09_raisins) C++14
100 / 100
 1052 ms 37128 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define f first
#define s second
#define int ll
using namespace std;
 
const int N = 55,inf = 1e18;

int a[N][N],dp[N][N][N][N];

int get(int l1,int r1,int l2,int r2){
	if (dp[l1][r1][l2][r2] != inf) return dp[l1][r1][l2][r2];
	if (l1 == l2 && r1 == r2) return dp[l1][r1][l2][r2] = 0;
	
 	int sum=0,ans=inf;
	for (int i=l1;i<=l2;i++)
		for (int j=r1;j<=r2;j++)
			sum+=a[i][j];
	
	for (int i = l1; i < l2; i++){
		int res = sum + get(l1,r1,i,r2) + get(i + 1,r1,l2,r2);
		ans = min(ans,res);
	}
	
	for (int j = r1; j < r2; j++){
		int res = sum + get(l1,r1,l2,j) + get(l1,j + 1,l2,r2);
		ans = min(ans,res);
	}
	return dp[l1][r1][l2][r2] = ans;
}
signed main() {
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
    	
	int n,m;
	cin>>n>>m;
	
	for (int i=1;i<=n;i++)
		for (int j=1;j<=m;j++)
			cin>>a[i][j];
	
	for (int l1=1;l1<=n;l1++)
		for (int r1=1;r1<=m;r1++)
			for (int l2=l1;l2<=n;l2++)
				for (int r2 =r1;r2<=m;r2++)
					dp[l1][r1][l2][r2] = inf;
	
	cout<<get(1,1,n,m)<<"\n";
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 980 KB Output is correct
7 Correct 2 ms 1236 KB Output is correct
8 Correct 12 ms 3540 KB Output is correct
9 Correct 18 ms 5076 KB Output is correct
10 Correct 42 ms 6100 KB Output is correct
11 Correct 22 ms 5076 KB Output is correct
12 Correct 91 ms 11128 KB Output is correct
13 Correct 257 ms 14432 KB Output is correct
14 Correct 36 ms 6356 KB Output is correct
15 Correct 193 ms 16224 KB Output is correct
16 Correct 24 ms 5684 KB Output is correct
17 Correct 89 ms 11732 KB Output is correct
18 Correct 544 ms 27484 KB Output is correct
19 Correct 879 ms 34032 KB Output is correct
20 Correct 1052 ms 37128 KB Output is correct