Submission #170620

#	Time	Username	Problem	Language	Result	Execution time	Memory
170620		mdn2002	Stove (JOI18_stove)	C++14	100 / 100	61 ms	6052 KiB

stove

#include<bits/stdc++.h>
using namespace std;
const long long mod=998244353;
long long n,k;
multiset<long long>ms;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen(".in","r",stdin);
    //freopen(".out","w",stdout);
    cin>>n>>k;
    int a,b;
    cin>>b;
    for(int i=0;i<n-1;i++)
    {
        cin>>a;
        ms.insert(a-b);
        b=a;
    }
    long long ans=n;
    for(int i=0;i<n-k;i++)
    {
        ans+=*ms.begin()-1;
        ms.erase(ms.begin());
    }
    cout<<ans;
}

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