Submission #1112169

#	Time	Username	Problem	Language	Result	Execution time	Memory
1112169		nikolashami	Stove (JOI18_stove)	C++17	100 / 100	20 ms	1508 KiB

stove

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

int a[(int)1e5+4];

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n,k;
    cin>>n>>k;
    for(int i=0;i<n;++i)
    	cin>>a[i];

    vector<int>d;
    for(int i=1;i<n;++i)
    	d.push_back(a[i]-a[i-1]-1);

    sort(d.rbegin(),d.rend());
    int t=a[n-1]-a[0]+1;

    for(int i=0;i<k-1;++i)
   	 t-=d[i];

    cout<<t;
}

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