Submission #936318

#	Time	Username	Problem	Language	Result	Execution time	Memory
936318		DobromirAngelov	Stove (JOI18_stove)	C++14	100 / 100	19 ms	2420 KiB

stove

#include<bits/stdc++.h>
#define endl '\n'

using namespace std;

const int MAXN=1e5+5;

int n,k;
int a[MAXN];
priority_queue<int> pq;

int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

cin>>n>>k;
for(int i=1;i<=n;i++) cin>>a[i];

for(int i=2;i<=n;i++)
{
    pq.push(a[i]-a[i-1]-1);
}
int ans=a[n]-a[1]+1;
while(--k)
{
    ans-=pq.top();
    pq.pop();
}

cout<<ans<<endl;

return 0;
}

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