The Function Rand ()() in C

This guide covers the function rand ()() in c with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

RAND_MAX Is a constant with a variety of default values (depending on a number of factors such as Operating System, .), but at least 32767.

Declare the Function Rand ()() in C

Below is the declaration for rand () in C:

 int rand ( void ) 

Parameters

The rand function does not take any parameters

Returns the Value

This function returns a random number in the range from 0 to RAND_MAX

For Example

The following C program illustrates the usage of rand () in C:

 #include #include #include int main () { int i , n ; time_t t ; n = 5 ; /* Khoi tao bo sinh so ngau nhien */ srand (( unsigned ) time (& t )); /* in 5 so ngau nhien trong day tu 0 toi 49 */ for ( i = 0 ; i < n ; i ++ ) { printf ( "%dn" , rand () % 50 ); } return ( 0 ); } 

Compiling and running the above C program will result:

According to Tutorialspoint

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