Geeksforgeeks Solution For " Count numbers " In C

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 :- Count numbers 

Submit Your Solution :- Click Here 

Solution :- 

#include <stdio.h>

int unit(int a)
{
    int unit      =  (a%10)/1;
    return unit;
}

int tenth(int a)
{
    int tenth      =  (a%100)/10;
    return tenth;
}

int hundredth(int a)
{
    int hundredth      =  (a%1000)/100;
    return hundredth;
}

int main() {

int N,T,i;
scanf("%d",&T);

while(T--)
{
int count=0;    
scanf("%d",&N);
for(i=1;i<=N;i++)
{
   if((hundredth(i)!=3)&&(tenth(i)!=3)&&(unit(i)!=3))
   count++;
}
printf("%d\n",count);
   
}
return 0;
}

Output:-