Submission #1228769

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228769		anti36	Stove (JOI18_stove)	C++20	100 / 100	13 ms	2244 KiB

stove

#include<bits/stdc++.h>
#define int long long
using namespace std;
int32_t main()
{
    cin.tie(0)->sync_with_stdio(false);
    int n,k;
    cin>>n>>k;
    vector<int>a(n);
    for(int i=0;i<n;i++) cin>>a[i];
    int t=a[n-1]-a[0]+1;
    vector<int>b;
    for(int i=1;i<n;i++)
    {
        b.push_back(a[i]-a[i-1]-1);
    }
    sort(b.rbegin(),b.rend());
    for(int i=0;i<b.size()&&i<k-1;i++)
    {
        t-=b[i];
    }
    cout<<t<<endl;
}

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