Submission #769361

#	Time	Username	Problem	Language	Result	Execution time	Memory
769361		borisAngelov	Stove (JOI18_stove)	C++17	100 / 100	16 ms	984 KiB

stove

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

vector<int> laps;

void fastIO()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}

int main()
{
    fastIO();

    int n, k;
    cin >> n >> k;

    int ans = n;

    int last;
    cin >> last;

    for (int i = 2; i <= n; ++i)
    {
        int x;
        cin >> x;

        laps.push_back(x - last - 1);

        last = x;
    }

    sort(laps.begin(), laps.end());

    for (int i = 0; i < n - k; ++i)
    {
        ans += laps[i];
    }

    cout << ans << endl;

    return 0;
}

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