Coodechef Lucky Four Problem Code: LUCKFOUR Solution

Solution in C++:
///**********ALLAH IS ALMIGHTY************///
///AH Tonmoy
///Department of CSE,23rd batch
///Islamic University,Bangladesh

#include<iostream>
using namespace std;
int main()
{
    int n,t,c,v,i,r;
    cin>>t;
    while(t--)
    {
        i=0;
        cin>>n;
        while(n>0)
        {
            c=n%10;
            v=n/10;
            n=v;
            if(c==4)
                i++;
        }
        cout<<i<<endl;
    }
}