Submission #1298201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298201		theknighthawk	Stove (JOI18_stove)	C++20	100 / 100	38 ms	2412 KiB

stove

#include<bits/stdc++.h>
using namespace std;

#define ll long long

int main()
{
    ll n , k;
    cin >> n >> k;
    vector<ll> a(n);
    for(ll i = 0 ; i < n ; i++) cin >> a[i];
    sort(a.begin() , a.end());
    vector<ll> llerval;
    for(ll i = 0 ; i < n - 1 ; i++)
    {
        llerval.push_back(a[i + 1] - a[i] - 1);
    }
    sort(llerval.rbegin() , llerval.rend());
    ll ans = a[n - 1] - a[0] + 1;
    for(ll i = 0 ; i < k - 1 ; i++)
    {
        ans -= llerval[i];
    }
    cout << ans << endl;
    return 0;
}

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