Submission #958035

#	Time	Username	Problem	Language	Result	Execution time	Memory
958035		MuntherCarrot	Stove (JOI18_stove)	C++17	100 / 100	14 ms	2200 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define all(x) x.begin(), x.end()

int32_t main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, k;
    cin >> n >> k;
    int a[n];
    for(int &i : a){
        cin >> i;
    }
    int b[n - 1] = {};
    for(int i = 0; i < n - 1; i++){
        b[i] = a[i + 1] - a[i] - 1;
    }
    sort(b, b + n - 1);
    cout << n + accumulate(b, b + n - k, 0ll) << endl;
    return 0;
}
// by me

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