possible assignment in condition (C)

Question

I have to find is the number \"a\" a two-digit odd. Mistake comes on if

#include 
main ()
{
    int a,k;
    int count=0;
    printf (\"input numb         


        

Answer 1

GCC is complaining about this:

if (k = 1 && count = 2)

The equality operator is a double equals sign: ==. What you've used, the single equals sign =, is the assignment operator.

You are setting k to 1 and count to 2, and that if will always be executed.

The message you're getting is designed to help people quickly catch exactly this problem.