Submission #127203

#	Time	Username	Problem	Language	Result	Execution time	Memory
127203		iqvocuc	Stove (JOI18_stove)	C++14	100 / 100	85 ms	1824 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int a[ 100005],b[ 100005];
int main(){
int n,k;
cin>>n>>k;
for(int i=1;i<=n;i++){
	cin>>a[i];
}
vector<int>v;
for(int i=2;i<=n;i++){
	v.push_back(a[i]-a[i-1]);
}
sort(v.begin(),v.end());
int tong=k;
for(int i=0;i<n-k;i++){
	tong+=v[i];
}
cout<<tong;
}

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