How does the random number generator work in C?

Question

I\'m trying to generate random number between 0 and 40(inclusive). So the code I Implemented is this-

 y=rand()%41;

However everytime I click c

Answer 1

Reason is that rand() is using the same seeding everytime you run. You have to seed it yourself. srand ( time(NULL) );` is usually used to initialize random seed.