Submission #287119

#	Time	Username	Problem	Language	Result	Execution time	Memory
287119		re404d	Stove (JOI18_stove)	C++11	100 / 100	93 ms	1784 KiB

stove

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

int a[100001];

int main()
{
    int n, k, i, x, y;
    cin >> n >> k;
    cin >> x;
    for (i = 2; i<=n; i++)
    {
        cin >> y;
        a[i-1] = y-x;
        x = y;
    }
    sort(a+1, a+n);
    int rasp = k;
    for (i = 1; i<=n-k; i++)
        rasp = rasp + a[i];
    cout << rasp;
    return 0;
}

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