Submission #507524

#	Time	Username	Problem	Language	Result	Execution time	Memory
507524		maco1503	Stove (JOI18_stove)	C++14	100 / 100	28 ms	1644 KiB

stove

#include <bits/stdc++.h>
#define rpd ios_base :: sync_with_stdio(0); cin.tie(0);
#define ll long long
#define fs first
#define sc second
#define pb push_back
#define mod 666013
#define NMAX 100000 + 5

using namespace std;




int main()
{
    rpd;
    int v[NMAX]={0};
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++)cin>>v[i];
    sort(v+1,v+1+n);
    int ans=v[n]-v[1]+1;
    for(int i=1;i<n;i++)v[i]=v[i+1]-v[i]-1;
    sort(v+1,v+1+n);
    for(int i=n-1;i>=n-k+1;i--)ans-=v[i];
    cout<<ans;

    return 0;
}

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