Submission #590991

#	Time	Username	Problem	Language	Result	Execution time	Memory
590991		piOOE	Stove (JOI18_stove)	C++17	100 / 100	20 ms	2120 KiB

stove

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::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];
    vector<int> v(n - 1);
    for (int i = 0; i < n - 1; ++i)
        v[i] = t[i + 1] - t[i];
    sort(v.begin(), v.end());
    int ans = t[n - 1] - t[0] + 1;
    for (int i = n - 2; i >= n - k; --i) {
        ans -= v[i] - 1;
    }
    cout << ans;
    return 0;
}

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