Submission #203524

#	Time	Username	Problem	Language	Result	Execution time	Memory
203524		SoGood	Stove (JOI18_stove)	C++14	100 / 100	77 ms	2424 KiB

stove

#include <bits/stdc++.h>
 
using namespace std;
 
const int N = 2e5+5 , mod = 1e9 +7 ;
 
long long n ,  m;
 
int main()
{
    cin>>n>>m ;
    long long  l = 0 , t;
    vector<long long > v;
    for(int i = 0 ; i<n ; i++)
    {
        cin>>t;
        if(i)
        {
            v.push_back( t - l -1 );
        }
        l = t;
    }
    long long  k = 0;
    sort(v.begin() , v.end());
    for(int i = 0;i<n - m ;i++)
        k+=v[i];
    cout<< n+k;
    return 0;
}

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