Submission #1257529

#	Time	Username	Problem	Language	Result	Execution time	Memory
1257529		bilgeyildiz	Stove (JOI18_stove)	C++20	100 / 100	48 ms	1400 KiB

stove

#include <bits/stdc++.h> 
using namespace std;
const int N=1e5+5;
int a[N],ans;
vector<int> b;
void solve(){
	int n,k; cin>>n>>k;
	ans=n;
	for(int i=0;i<n;i++) cin>>a[i];
	if(k>=n) { cout<<n<<endl; return;}
	if(k==1) { cout<<a[n-1]-a[0]+1<<endl; return;}
	
	for(int i=1;i<n;i++){
		b.push_back(a[i]-a[i-1]-1);
	}
	sort(b.begin(),b.end());
	for(int i=0;i<n-k;i++) ans+=b[i];
	cout<<ans<<endl;
}
int main(){
  
   solve();
	
}

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