oj.uz

Submission #1088653

# Submission time Handle Problem Language Result Execution time Memory
1088653 2024-09-14T17:56:26 Z StefanSebez Raisins (IOI09_raisins) C++14
100 / 100
 135 ms 25944 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int inf=1e9;
int dp[51][51][51][51];
int main(){
    int n,m;scanf("%i%i",&n,&m);
    int a[n+10][m+10],pref[n+10][m+10];memset(pref,0,sizeof(pref));
    for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			scanf("%i",&a[i][j]);
			pref[i][j]=pref[i-1][j]+pref[i][j-1]-pref[i-1][j-1]+a[i][j];
		}
    }
    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) for(int k=1;k<=n;k++) for(int l=1;l<=m;l++) dp[i][j][k][l]=inf;
    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) dp[i][j][i][j]=0;
    for(int d1=1;d1<=n;d1++){
		for(int d2=1;d2<=m;d2++){
			for(int k=d1;k<=n;k++){
				for(int l=d2;l<=m;l++){
					int i=k-d1+1,j=l-d2+1;
					int sum=pref[k][l]-pref[i-1][l]-pref[k][j-1]+pref[i-1][j-1];
					for(int ind=i+1;ind<=k;ind++){
						dp[i][j][k][l]=min(dp[i][j][k][l],sum+dp[i][j][ind-1][l]+dp[ind][j][k][l]);
					}
					for(int ind=j+1;ind<=l;ind++){
						dp[i][j][k][l]=min(dp[i][j][k][l],sum+dp[i][j][k][ind-1]+dp[i][ind][k][l]);
					}
					//printf("%i %i %i %i: %i\n",i,j,k,l,dp[i][j][k][l]);
				}
			}
		}
    }
    printf("%i\n",dp[1][1][n][m]);
    return 0;
}

Compilation message

raisins.cpp: In function 'int main()':
raisins.cpp:11:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     int n,m;scanf("%i%i",&n,&m);
      |             ~~~~~^~~~~~~~~~~~~~
raisins.cpp:15:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |    scanf("%i",&a[i][j]);
      |    ~~~~~^~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 2 ms 3420 KB Output is correct
9 Correct 4 ms 5048 KB Output is correct
10 Correct 6 ms 5976 KB Output is correct
11 Correct 6 ms 4956 KB Output is correct
12 Correct 16 ms 10572 KB Output is correct
13 Correct 25 ms 12892 KB Output is correct
14 Correct 6 ms 6236 KB Output is correct
15 Correct 31 ms 14052 KB Output is correct
16 Correct 4 ms 4700 KB Output is correct
17 Correct 15 ms 9560 KB Output is correct
18 Correct 75 ms 20056 KB Output is correct
19 Correct 120 ms 24400 KB Output is correct
20 Correct 135 ms 25944 KB Output is correct