Submission #1014193

#	Time	Username	Problem	Language	Result	Execution time	Memory
1014193		snpmrnhlol	Stove (JOI18_stove)	C++17	100 / 100	50 ms	2140 KiB

stove

#include<bits/stdc++.h>
using namespace std;
const int N = 1e5;
int v[N];
int v2[N];
int main(){
    int n,k;
    int ans;
    cin>>n>>k;
    ans = n;
    for(int i = 0;i < n;i++){
        cin>>v[i];
        if(i){
            v2[i - 1] = v[i] - v[i - 1] - 1;
        }
    }
    sort(v2,v2 + n - 1);
    for(int i = 0;i < n - k;i++){
        ans+=v2[i];
    }
    cout<<ans<<'\n';
    return 0;
}

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