Submission #888899

#	Time	Username	Problem	Language	Result	Execution time	Memory
888899		Art_ogo	Stove (JOI18_stove)	C++17	100 / 100	43 ms	2952 KiB

stove

#include <bits/stdc++.h>

#define ve vector
#define ll long long
#define all(x) x.begin(), x.end()
using namespace std;

int main(){
    int n, k;
    cin >> n >> k;
    ve<ll> v(n);
    for(auto& i : v)
        cin >> i;
    sort(all(v));
    ll res = v.back() - v.front() + 1;
    ve<ll> a(n - 1);
    for(int i = 0; i < n - 1; i++)
        a[i] = v[i + 1] - v[i] - 1;
    sort(all(a), greater<ll>());
    for(int i = 0; i < k - 1; i++)
        res -= a[i];
    cout << res;
}

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