Lazy Jem

#include <bits/stdc++.h> using namespace std; int main () { long long unsigned int x; cin>>x; for(long long unsigned int i=0;i<x;i++){ long long unsigned int n,b,m,t=0; cin>>n>>b>>m; long long unsigned int nn=0,z; while(n!=0){ if(n%2==0) z=n/2; else z=(n+1)/2; while(nn!=z){ t=t+m; n--; nn++; // cout<<t<<' '; } if(n!=0) { nn=0; m=m+m; t=t+b; }} cout<<t<<endl; } }