Map_Operations.cpp

map<int,int> mapInsert(int arr[],int n){
    map<int,int>mp;
  
   //Insert arr[i] as key and i as value
    for(int i=0; i<n; i++){
        mp[arr[i]] = i;
    }
    
    return mp;  
}


void mapDisplay(map<int,int>mp){
  
    //Print every key and value pair in a new line
    for(auto &it: mp){
        cout << it.first <<" "<<it.second <<endl;
    }
 
}


void mapErase(map<int,int>&mp,int x){
  
   //Write the if and else condition to erase x from map
    auto it = mp.find(x);
    if(it!=mp.end()){
        mp.erase(it);
        cout<<"erased "<<x;
    }else{
    cout<<"not found";
    }
    
    cout<<endl;
}