Submission #1249053

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249053		bethance	Stove (JOI18_stove)	C++20	100 / 100	28 ms	1096 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,k;
	cin>>n>>k;
	int a[n],b[n-1];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	for(int i=1;i<n;i++){
		b[i-1]=a[i]-a[i-1]-1;
	}
	sort(b,b+n-1);
	//for(int i=0;i<n;i++){
		//cout<<b[i]<<" ";
	//}
	//cout<<endl;
	int sum=0;
	for(int i=0;i<n-k;i++){
		sum+=b[i];
	}
	cout<<sum+n;
}

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