Lucky Four | Problem - 35 | Beginner level | C language | CodeChef

Link to the problem statement: https://www.codechef.com/submit-v2/LUCKYFR


Solution: 

#include <stdio.h>

int main(void) {
int t, i, x, k;
scanf("%d", &t);
for(i=0;i<t;i++)
{
    scanf("%d", &x);
    k = 0;
        while(x != 0)
            {
            if(x%10 == 4)
                k++;
           x = x/10;
        }
    printf("%d\n", k);
}
return 0;
}


Hope this will help you, if you want anything else leave a comment.

Thank you 

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