Submission #899238

#	Time	Username	Problem	Language	Result	Execution time	Memory
899238		Blagoj	Stove (JOI18_stove)	C++17	100 / 100	15 ms	3292 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define ll long long
#define all(x) (x).begin(), (x).end()

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, k;
    cin >> n >> k;
    ll a[n];
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<ll> dif;
    for (int i = 1; i < n; i++) dif.push_back(a[i] - a[i - 1]);
    sort(all(dif));
    ll ans = 0;
    for (int i = 0; i < n - k; i++) ans += dif[i];
    cout << ans + k;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50