411 REFERENCE · Wikibooks
C++ Programming/Code/Standard C Library/Functions/srand
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
srand
#include <cstdlib>
void srand( unsigned seed );
The function srand() is used to seed the random sequence generated by rand(). For any given seed, rand() will generate a specific "random" sequence over and over again.
srand( time(NULL) );
for( i = 0; i < 10; i++ )
printf( "Random number #%d: %d\n", i, rand() );
Related topics rand(Standard C Time & Date functions) time