GeeksforGeeks Solution For Hard Domain .Below You Can Find The Solution Of School Basic ,Easy ,Medium . Or Hackerrank Solution You Can Also Direct Submit Your Solution to Geeksforgeeks Same Problem .You Need to login then you can submit you answers
Problem :- Good Pairs
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Solution :-
#include <bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n,i,j,sum,res=0;
cin>>n;
int arr[n];
for(i=0;i<n;i++)
cin>>arr[i];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
if(arr[i]<arr[j])
{
res++;
}
}
}
cout<<res<<endl;
}
return 0;
}
Output:-
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