Submission #1023486

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023486		Tesla89	Stove (JOI18_stove)	C++14	100 / 100	15 ms	2196 KiB

stove

#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n,k;
    cin>>n>>k;
    int a[n];
    int r[n-1];
    for(int i=0;i<n;i++)cin>>a[i];
    sort(a,a+n);
    for(int i=0;i<n-1;i++)r[i]=a[i+1]-a[i]-1;
    sort(r,r+(n-1));
    long long sum=a[n-1]-a[0]+1;
    for(int i=n-2;i>=n-k;i--)sum-=r[i];
    cout<<sum<<'\n';
    return 0;
}

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