oj.uz

Submission #893149

# Submission time Handle Problem Language Result Execution time Memory
893149 2023-12-26T15:03:06 Z Macker Raisins (IOI09_raisins) C++17
100 / 100
 354 ms 29272 KB 
#include <bits/stdc++.h>
 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")

using namespace std;
typedef long long ll;
typedef long double ld;
#define all(v) v.begin(), v.end()
#define ckmin(a, b) a = min(a, b)

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m; cin >> n >> m;
    vector<vector<vector<vector<int>>>> dp(n, vector<vector<vector<int>>>(m, vector<vector<int>>(n, vector<int>(m, INT_MAX/5))));
    vector<vector<int>> sum(n + 1, vector<int>(m + 1));
    vector<vector<int>> v(n, vector<int>(m));
    sum.resize(n, vector<int>(m));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> v[i][j];
            sum[i + 1][j + 1] = sum[i][j + 1] + sum[i + 1][j] - sum[i][j] + v[i][j];
            dp[i][j][i][j] = 0;
        }
    }
    for (int w = 0; w < n; w++)
    for (int h = 0; h < m; h++)
    for (int i = 0; i < n; i++)
    for (int j = 0; j < m; j++) {
        if(i + w >= n) continue;
        if(j + h >= m) continue;
        int s = sum[i + w + 1][j + h + 1] - sum[i + w + 1][j] - sum[i][j + h + 1] + sum[i][j];
        for (int k = i; k < i + w; k++) {
            ckmin(dp[i][j][i + w][j + h], dp[i][j][k][j + h] + dp[k + 1][j][i + w][j + h] + s);
        }
        for (int k = j; k < j + h; k++) {
            ckmin(dp[i][j][i + w][j + h], dp[i][j][i + w][k] + dp[i][k + 1][i + w][j + h] + s);
        }
    }
    cout << dp[0][0][n - 1][m - 1] << "\n";
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 1372 KB Output is correct
9 Correct 5 ms 1884 KB Output is correct
10 Correct 7 ms 2396 KB Output is correct
11 Correct 5 ms 2244 KB Output is correct
12 Correct 25 ms 5724 KB Output is correct
13 Correct 41 ms 8348 KB Output is correct
14 Correct 9 ms 2904 KB Output is correct
15 Correct 60 ms 9560 KB Output is correct
16 Correct 4 ms 1880 KB Output is correct
17 Correct 20 ms 4700 KB Output is correct
18 Correct 181 ms 18524 KB Output is correct
19 Correct 273 ms 26716 KB Output is correct
20 Correct 354 ms 29272 KB Output is correct