Submission #542722

#	Time	Username	Problem	Language	Result	Execution time	Memory
542722		collodel	Stove (JOI18_stove)	C++17	100 / 100	50 ms	2252 KiB

stove

#include <iostream>
#include <queue>
#include <vector>

using namespace std;

int main() {
    int n, k; cin >> n >> k;

    vector<int> t(n);
    for(auto &x : t) {
        cin >> x;
    }

    priority_queue<int> pq;
    for(int i = 1; i < n; ++i)
        pq.emplace(t[i] - t[i-1] - 1);

    int ans = t[n-1] - t[0] + 1;
    k--;
    while(k--) {
        ans -= pq.top(), pq.pop();
    }

    cout << ans << '\n';
}

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