제출 #655018

#제출 시각아이디문제언어결과실행 시간메모리
655018happypotatoStove (JOI18_stove)C++17
100 / 100
49 ms2036 KiB
#include <bits/stdc++.h>
using namespace std;
void solve() {
    int n, k;
    cin >> n >> k;
    int a[n];
    for (int i = 0; i < n; i++) cin >> a[i];
    sort(a, a + n);
    int ans = a[n - 1] - a[0] + 1;
    int check[n - 1];
    for (int i = 1; i < n; i++) check[i - 1] = a[i] - a[i - 1];
    sort(check, check + n - 1, greater<int>());
    for (int i = 0; i < k - 1; i++) ans -= check[i] - 1;
    cout << ans << endl;
}
int main() {
    solve();
}
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