Submission #133369

#	Time	Username	Problem	Language	Result	Execution time	Memory
133369		mlyean00	Stove (JOI18_stove)	C++14	100 / 100	103 ms	2420 KiB

stove

#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;
    int p = t[0] + 1;
    for (int i = 1; i < n; ++i) {
        if (t[i] != p) v.push_back(t[i] - p);
        p = t[i] + 1;
    }

    sort(v.rbegin(), v.rend());

    int m = min((int) v.size(), k - 1);
    int ans = t[n - 1] + 1 - t[0];
    for (int i = 0; i < m; ++i) {
        ans -= v[i];
    }

    cout << ans << endl;

    return 0;
}

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