Submission #1017496

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017496		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	36 ms	1884 KiB

stove

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
using namespace std;
signed main() {
    int n, k;
    cin >> n >> k;
    vector <int> v(n);
	vector <int> a(n - 1);
    for (int i = 0 ; i  <n; i++) {
    	cin >> v[i];
	}
	for (int i = 1; i < n; i++) {
		a[i-1] = v[i] - v[i-1] - 1;
	}
	sort(a.begin(), a.end());
	int ans = n;
	for (int i = 0; i < n - k; i++) {
        ans += a[i];
    }
    cout << ans << "\n";	
}

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