Submission #1115205

#	Time	Username	Problem	Language	Result	Execution time	Memory
1115205		staszic_ojuz	Stove (JOI18_stove)	C++17	100 / 100	22 ms	2040 KiB

stove

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long n, k;
    cin>>n>>k;
    vector<long long> vect(n);
    for (long long i=0;i<n;i++) cin>>vect[i];
    sort(vect.begin(), vect.end());
    vector<long long> diffs(n-1);
    for (long long i=0;i<n-1;i++){
        diffs[i]=vect[i+1]-vect[i]-1;
    }
    sort(diffs.begin(), diffs.end());
    long long out=n;
    for (long long i=0;i<n-k;i++) out+=diffs[i];
    cout<<out<<'\n';
    return 0;
}

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