Submission #74054

#	Time	Username	Problem	Language	Result	Execution time	Memory
74054		Bodo171	Stove (JOI18_stove)	C++14	100 / 100	41 ms	10384 KiB

stove

#include <iostream>
#include <algorithm>
using namespace std;
const int nmax=100005;
int t[nmax],skip[nmax];
int n,k,i,ans;
int main()
{
    ios_base::sync_with_stdio(false);
    cin>>n>>k;
    for(i=1;i<=n;i++)
    {
        cin>>t[i];
    }
    ans=t[n]-t[1]+1;
    for(i=1;i<n;i++)
    {
        skip[i]=t[i+1]-t[i]-1;
    }
    sort(skip+1,skip+n);
    for(i=n-1;i>=n-k+1;i--)
        ans-=skip[i];
    cout<<ans;
    return 0;
}

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