Submission #1062352

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062352		ducksaysquack	Stove (JOI18_stove)	C++98	100 / 100	40 ms	2980 KiB

stove

#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
	int n, k; cin >> n >> k; vector<int> v(n); for(int i=0;i<n;i++) cin >> v[i];
	vector<int> w(n-1); for(int i=0;i<n-1;i++) w[i] = v[i+1]-v[i]-1;
	sort(begin(w),end(w));
	int ans = v[n-1]-v[0]+1;
	for(int i=n-2;i>n-k-1;i--) ans -= w[i];
	cout << ans;
}

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