Submission #718702

#	Time	Username	Problem	Language	Result	Execution time	Memory
718702		AndrijaM	Stove (JOI18_stove)	C++14	100 / 100	49 ms	3140 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(true);
    long long n;
    long long k;
    cin>>n>>k;
    long long x[n+1];
    long long mx=0;
    long long mi=1e18;
    for(long long i=1;i<=n;i++)
    {
        cin>>x[i];
    }
    vector<long long>a;
    for(long long i=2;i<=n;i++)
    {
        a.push_back(x[i]-x[i-1]-1);
    }
    sort(a.rbegin(),a.rend());
    long long ans=x[n]-x[1]+1;
    for(long long i=0;i<k-1;i++)
    {
        ans-=a[i];
    }
    cout<<ans<<endl;
    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:12:15: warning: unused variable 'mx' [-Wunused-variable]
   12 |     long long mx=0;
      |               ^~
stove.cpp:13:15: warning: unused variable 'mi' [-Wunused-variable]
   13 |     long long mi=1e18;
      |               ^~

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