Submission #1306414

#TimeUsernameProblemLanguageResultExecution timeMemory
1306414nguyenkhangninh99Holding (COCI20_holding)C++20
110 / 110
25 ms2372 KiB
#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int n, l, r, k; cin >> n >> l >> r >> k;
    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++) cin >> a[i];

    int len = r - l + 1;
    vector<vector<int>> dp(len + 1, vector<int>(k + 1, 1e9));
    dp[0][0] = 0;
    for(int i = 1; i <= n; i++){
        for(int j = min(len, i); j >= 1; --j){
            int d = abs(i - (l + j - 1));
            for(int s = k; s >= d; s--) dp[j][s] = min(dp[j][s], dp[j - 1][s - d] + a[i]);
        }
    }

    int ans = 1e9;
    for(int s = 0; s <= k; s++) ans = min(ans, dp[len][s]);
    cout << ans;
}
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