Submission #995935

#	Time	Username	Problem	Language	Result	Execution time	Memory
995935		yanb	Stove (JOI18_stove)	C++14	100 / 100	14 ms	2808 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define int long long

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, k;
    cin >> n >> k;
    vector<int> a(n), d(n - 1);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < n - 1; i++) {
        d[i] = a[i + 1] - a[i] - 1;
    }
    sort(d.begin(), d.end());

    int ans = n;
    for (int i = 0; i < n - k; i++) {
        ans += d[i];
    }
    cout << ans << "\n";
}   

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