Submission #1134790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134790		lopkus	K blocks (IZhO14_blocks)	C++20	0 / 100	0 ms	328 KiB

blocks

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> dp(n + 1, 1e18);
    vector<int> new_dp(n + 1, 1e18);
    vector<int>a(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for(int i = 1; i <= n; i++) {
        new_dp[i] = a[i];
    }
    if(k == 1) {
        cout << new_dp[n];
        return 0;
    }
    for(int j = 2; j <= k; j++) {
        for(int i = 1; i <= n; i++) {
            int mx = -1e18;
            for(int k = i; k >= 1; k--) {
                mx = max(mx, a[k]);
                dp[i] = min(dp[i], new_dp[k - 1] + mx);
            }
        }
        new_dp = dp;
    }
    cout << dp[n];
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 18
• Subtask 3: 0 / 21
• Subtask 4: 0 / 47