제출 #204698

#제출 시각아이디문제언어결과실행 시간메모리
204698bogdan_ogorodniyStove (JOI18_stove)C++14
100 / 100
86 ms2292 KiB
#include <bits/stdc++.h>
using namespace std;
const int N = 5 * 1e3 + 1;
const int inf = 1e9 + 7;

signed main() {
    int n, k;
    cin >> n >> k;
    vector <int> v(n);
    for (int i = 0; i < n; i++) cin >> v[i];
    vector <int> vv;
    int dist = 0;
    for (int i = 1; i < n; i++) {
        vv.push_back(v[i] - v[i - 1]);
    }
    sort(vv.begin(), vv.end());
    for (int i = 0; i < n - k; i++) dist += vv[i];
    dist += k;
    cout << dist << '\n';
    return 0;
} 
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