Submission #1228974

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228974		adad	Stove (JOI18_stove)	C++20	100 / 100	13 ms	2244 KiB

stove

#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, k, t[100005];
vector <int> tg;
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k;
    for(int i = 1; i <= n; i ++) cin >> t[i];
    int ans = t[n] + 1 - t[1];
    for(int i = 2; i <= n; i ++) tg.push_back(t[i] - t[i - 1] - 1);
    sort(tg.rbegin(), tg.rend());
	for(int i = 0; i < k - 1 and i < tg.size(); i ++) {
		ans -= tg[i];
	}
	cout << ans;
}

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