Submission #143041

#	Time	Username	Problem	Language	Result	Execution time	Memory
143041		blue	Stove (JOI18_stove)	C++14	100 / 100	86 ms	1780 KiB

stove

#include <iostream>
#include <algorithm>
using namespace std;

int main()
{
    int n, k;
    cin >> n >> k;
    
    int t[n];
    int a, b;
    cin >> b;
    for(int i = 2; i <= n; i++)
    {
        a = b;
        cin >> b;
        t[i-1] = b-a - 1;
    }
    sort(t+1, t+n);
    int res = n;
    for(int i = 1; i <= n-k; i++) res += t[i];
    
    cout << res << '\n';
    return 0;
}

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