Submission #1319754

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319754		ezim	Stove (JOI18_stove)	C++20	100 / 100	14 ms	1468 KiB

stove

#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll N = 1e6, mod = 1e9 + 7, inf = 1e18;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k;
    cin >> n >> k;
    vector<int> t(n);
    for (int i = 0; i < n; i++) {
        cin >> t[i];
    }
    sort(t.begin(), t.end());
    vector<int> v;
    for (int i = 1; i < n; i++) {
        v.push_back(t[i] - t[i - 1]);
    }
    sort(v.begin(), v.end());
    int ans = k;
    for (int i = 0; i <= n - k - 1; i++) {
        ans += v[i];
    }
    cout << ans << '\n';
}

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