Submission #95122

#	Time	Username	Problem	Language	Result	Execution time	Memory
95122		LittleFlowers__	Stove (JOI18_stove)	C++14	100 / 100	26 ms	2308 KiB

stove

#include <bits/stdc++.h>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false),cin.tie(nullptr);

    int a[100010];
    int n,k,ans=0;
    priority_queue<int> h;

    cin>>n>>k;
    for(int i=1;i<=n;++i) cin>>a[i];
    ans=a[n]-a[1]+1;
    for(int i=2;i<=n;++i) h.push(a[i]-a[i-1]-1);

    for(int i=1;i<k;++i) ans-=h.top(),h.pop();
    cout<<ans;
}

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