Submission #844561

#	Time	Username	Problem	Language	Result	Execution time	Memory
844561		vjudge1	Holding (COCI20_holding)	C++17	0 / 110	2036 ms	600 KiB

holding

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define int long long

 #define ONLINE_JUDGE
#ifndef ONLINE_JUDGE
    #define OPEN freopen(".in", "r", stdin); \
                 freopen(".out", "w", stdout);
#else
    #define OPEN void(23);
#endif

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

    int ans = 1e9;
    function <void(int, int)> dfs = [&](int x, int nw) -> void
    {
        if(nw > k) return;
        //cerr << x << " " << nw << "\n";
        if(x == n +1)
        {
            int calc = 0;
            for(int i = l; i <= r; i++) calc += vec[i];

            ans = min(ans, calc);
            return;
        }

        for(int i = x; i >= 1; i--)
        {
            swap(vec[i], vec[x]);
            dfs(x +1, nw + (x - i));
            swap(vec[i], vec[x]);
        }
    };

    dfs(1, 0);

    cout << ans << "\n";

    return;
}

int32_t main()
{
    OPEN;

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

    int t = 1; //cin >> t;
    while(t--)
    {
        solve();
    }
}

• Subtask 1: 0 / 22
• Subtask 2: 0 / 33
• Subtask 3: 0 / 33
• Subtask 4: 0 / 22