Submission #1354975

#	Time	Username	Problem	Language	Result	Execution time	Memory
1354975		...2	Stove (JOI18_stove)	C++20	100 / 100	24 ms	1424 KiB

stove

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

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