Submission #1002341

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002341		ocasu	Stove (JOI18_stove)	C++17	100 / 100	39 ms	2964 KiB

stove

#include <bits/stdc++.h>
using namespace std;

#define int long long

signed main(){
    int n,k; cin>>n>>k;
    vector<int> t(n);
    for (int i=0; i<n; i++){
        cin>>t[i];
    }
    vector<int> a(n-1);
    for (int i=0; i<n-1; i++){
        a[i]=t[i+1]-t[i];
    }
    sort(a.begin(),a.end());
    int ans=n;
    if (n>k){
        for (int i=0; i<n-k; i++){
            ans+=a[i]-1;
        }
    }
    cout<<ans<<'\n';
}

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