Submission #1023344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023344		biserailieva	Stove (JOI18_stove)	C++14	100 / 100	42 ms	2292 KiB

stove

#include<bits/stdc++.h>
using namespace std;
 
using ll = long long;
 
const int MXN=1e5+5;
 
int n, k, t[MXN];
 
int main() {
	cin >> n >> k;
	vector<int> vec;
	for(int i=1; i<=n; i++)
	{
		cin >> t[i];
		if(i>1)
		{
		    vec.push_back(t[i]-t[i-1]-1);
		}
	}
	sort(vec.begin(), vec.end());
	ll ans=n;
	for(int i=0; i<n-k; i++)
	{
		ans += vec[i];
	}
	cout << ans << '\n';
	return 0;
}

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