Submission #163372

#	Time	Username	Problem	Language	Result	Execution time	Memory
163372		Kubalionzzale	Stove (JOI18_stove)	C++14	100 / 100	150 ms	6436 KiB

stove

#include <iostream>
#include <set>

int main()
{
    int n, k;
    std::cin >> n >> k;

    int a[100010];
    std::multiset<int> seti;
    long long ans = n;
    for (int i = 0; i < n; ++i)
    {
        std::cin >> a[i];
        if (i > 0)
            seti.insert(a[i] - a[i - 1] - 1);
    }

    int cnt = 0;
    int maxi = n - k;

    for (auto it : seti)
    {
        int val = it;
        if (cnt >= maxi)
            break;
        else
        {
            ans += val;
            ++cnt;
        }
    }

    std::cout << ans;
}

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