Submission #996495

#	Time	Username	Problem	Language	Result	Execution time	Memory
996495		toast12	Stove (JOI18_stove)	C++17	100 / 100	37 ms	2684 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];
    }
    t.push_back(INT_MAX);
    priority_queue<int> pq;
    for (int i = n; i > 0; i--) {
        pq.push(t[i]-t[i-1]-1);
    }
    int ans = n;
    for (int i = 0; i < k; i++) {
        pq.pop();
    }
    while (!pq.empty()) {
        ans += pq.top();
        pq.pop();
    }
    cout << ans << '\n';
    return 0;
}

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