Submission #345199

#	Time	Username	Problem	Language	Result	Execution time	Memory
345199		bachaquer	K blocks (IZhO14_blocks)	C++14	0 / 100	1 ms	512 KiB

blocks

#include <bits/stdc++.h>

#define ll long long
#define pb push_back

using namespace std;

int main() {
    ll n, k, x;
    cin >> n >> k;
    vector<ll> v;
    ll mx2 = 0;
    for (int i = 0; i < n; i++) {
        cin >> x;
        v.pb(x);
        mx2 = max(x, mx2);
    }
    ll mx = LONG_MAX;
    for (int i = 0; i <= k - 1; i++) {
        ll sum = 0;
        for (int j = 0; j < k - 1 - i; j++) {
            sum += v[j];
            //cout << v[j] << " ";
        }
        //cout << '\t';
        for (int j = n - 1; j > n - 1 - i; j--) {
            sum += v[j];
            //cout << v[j] << " ";
        }
        //cout << " and ";
        ll mxx = 0;
        for (int j = k - 1 - i; j <= n - 1 - i; j++) {
            mxx = max(mxx, v[j]);
            //cout << v[j] << " ";
        }
        sum += mxx;
        //cout << " hm. "<< sum << "\n"; 
        mx = min(sum, mx);
    }
    if (k == 1) mx = mx2;
    cout << mx;
    return 0;
}

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