func_code_string: #include <bits/stdc++.h>   #include<cmath>   using namespace std;      int main(){       long long t;       cin>>t;       while(t--){           int a,b,n;           long long ans=0;           cin>>a>>b>>n;           int ar[a+1],br[b+1],arr[2][n];           memset(ar,0,sizeof(ar));           memset(br,0,sizeof(br));           for(int i=0;i<n;i++){               cin>>arr[0][i];               ar[arr[0][i]]++;           }           for(int i=0;i<n;i++){               cin>>arr[1][i];               br[arr[1][i]]++;           }           for(int i=0;i<n-1;i++){               ans+=n-i-1 -ar[arr[0][i]]+1 -br[arr[1][i]]+1;               ar[arr[0][i]]--;               br[arr[1][i]]--;           }           cout<<ans<<endl;       }       return 0;   }   