Submission #1191793

#	Time	Username	Problem	Language	Result	Execution time	Memory
1191793		ereklezurashvili	Stove (JOI18_stove)	C++20	100 / 100	33 ms	2496 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define int long long 
int n,t,a[300005],b[300005],c[300005],mx,ans,bans,k,dif;
vector <int> v;
signed main() {
    cin>>n>>k;
    for(int i=1; i<=n; i++){
        cin>>a[i];
    }
    for(int i=1; i<=n-1; i++){
        dif=a[i+1]-a[i]-1;
        v.push_back(dif);
    }
    sort(v.begin(),v.end());
    reverse(v.begin(),v.end());
    for(int i=0; i<k-1; i++){
        ans+=v[i];
    }
    
    cout<<a[n]-a[1]+1-ans<<endl;
	
}

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