제출 #585867

#제출 시각아이디문제언어결과실행 시간메모리
585867AtinaRMountains (NOI20_mountains)C++14
0 / 100
2066 ms1364 KiB
#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    cin>>n;
    int niza[n];
    for(int i=0; i<n; i++)
    {
        cin>>niza[i];
    }
    int res=0;
    for(int i=0; i<n; i++)
    {
        int tmp=niza[i];
        int l=0;
        int r=0;
        for(int j=0; j<n; j++)
        {
            if(i==j)
            {
                continue;
            }
            if(niza[j]<tmp&& i<j)
            {
                l++;
            }
            else if(niza[j]<tmp && i>j)
            {
                r++;
            }

        }
        res+=l*r;
    }
    cout<<res<<endl;
    return 0;
}
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