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Submission #867593

# Submission time Handle Problem Language Result Execution time Memory
867593 2023-10-28T20:16:23 Z Bula Raisins (IOI09_raisins) C++14
25 / 100
 5000 ms 35312 KB 
#include <bits/stdc++.h>
using namespace std;
int n, m, x[55][55], dp[55][55][55][55], pref[55][55];

int rec(int a, int b, int A, int B){
    if(a == A && b == B){
        return 0;
    }
    int sum = pref[A][B] + pref[a - 1][b - 1] - pref[a - 1][B] - pref[A][b - 1];
    for(int i = a; i < A; i++){
        dp[a][b][A][B] = min(dp[a][b][A][B], sum + rec(a, b, i, B) + rec(i + 1, b, A, B));
    }
    for(int i = b; i < B; i++){
        dp[a][b][A][B] = min(dp[a][b][A][B], sum + rec(a, b, A, i) + rec(a, i + 1, A, B));
    }
    return dp[a][b][A][B];
}


main(){
    cin >> n >> m;
    for(int i = 1; i <= 50; i++){
        for(int j = 1; j <= 50; j++){
            for(int k = 1; k <= 50; k++){
                for(int l = 1; l <= 50; l++){
                    dp[i][j][k][l] = INT_MAX;
                }
            }
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> x[i][j];
            dp[i][j][i][j] = 0; 
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            pref[i][j] = x[i][j] + pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1];
        }
    }

    cout << rec(1, 1, n, m) << endl;
}

Compilation message

raisins.cpp:20:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main(){
      | ^~~~

Subtask #1
25.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 35164 KB Output is correct
2 Correct 6 ms 35164 KB Output is correct
3 Correct 6 ms 35160 KB Output is correct
4 Correct 6 ms 35164 KB Output is correct
5 Correct 45 ms 35312 KB Output is correct
6 Execution timed out 5091 ms 35164 KB Time limit exceeded
7 Execution timed out 5056 ms 35164 KB Time limit exceeded
8 Execution timed out 5052 ms 35164 KB Time limit exceeded
9 Execution timed out 5095 ms 35164 KB Time limit exceeded
10 Execution timed out 5035 ms 35164 KB Time limit exceeded
11 Execution timed out 5084 ms 35164 KB Time limit exceeded
12 Execution timed out 5039 ms 35312 KB Time limit exceeded
13 Execution timed out 5093 ms 35268 KB Time limit exceeded
14 Execution timed out 5073 ms 35304 KB Time limit exceeded
15 Execution timed out 5034 ms 35164 KB Time limit exceeded
16 Execution timed out 5053 ms 35164 KB Time limit exceeded
17 Execution timed out 5047 ms 35164 KB Time limit exceeded
18 Execution timed out 5047 ms 35164 KB Time limit exceeded
19 Execution timed out 5071 ms 35164 KB Time limit exceeded
20 Execution timed out 5019 ms 35160 KB Time limit exceeded