Submission #585877

#	Time	Username	Problem	Language	Result	Execution time	Memory
585877		kkkkkkkk	Mountains (NOI20_mountains)	C++14	0 / 100	2079 ms	1964 KiB

Mountains

#include <iostream>

using namespace std;

int main()
{
    int n,vk=0;
    cin >> n;
    int a[n];
    for (int i=0;i<n;i++)
        cin >> a[i];
    for (int i=0;i<n;i++)
    {
        int l=0,r=0;
        for (int j=0;j<n;j++)
        {
            if (j==i)
                continue;
            if (j<i&&a[j]<a[i])
                l++;
            else if (j>i&&a[j]<a[i])
                r++;
        }
        vk+=l*r;
    }
    cout << vk << endl;

    return 0;
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 9
• Subtask 4: 0 / 36
• Subtask 5: 0 / 28
• Subtask 6: 0 / 9
• Subtask 7: 0 / 12