제출 #1214496

#제출 시각아이디문제언어결과실행 시간메모리
1214496cuenta_verdaderaStove (JOI18_stove)C++20
100 / 100
31 ms1444 KiB
#include <bits/stdc++.h>
using namespace std;

int main() {
    int N, K;
    cin >> N >> K;

    vector<int> T(N);
    for (int i = 0; i < N; ++i) {
        cin >> T[i];
    }

    vector<int> v;
    for (int i = 0; i < N - 1; ++i) {
        int g = T[i + 1] - (T[i] + 1);
        v.push_back(g);
    }

    sort(v.begin(), v.end());

    long long result = N;
    for (int i = 0; i < N - K; ++i) {
        result += v[i];
    }

    cout << result << endl;
    return 0;
}
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