Submission #1099191

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099191		Yusif_27	Stove (JOI18_stove)	C++14	100 / 100	36 ms	3324 KiB

stove

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

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