/* RAND.C: This program seeds the random-number generator
* with the time, then displays 10 random integers.
*/#include <stdlib.h>
#include <stdio.h>
#include <time.h>void main( void )
{
int i; /* Seed the random-number generator with current time so that
* the numbers will be different every time we run.
*/
srand( (unsigned)time( NULL ) ); /* Display 10 numbers. */
for( i = 0; i < 10;i++ )
printf( " %6d\n", rand() );
}
Output 6929
8026
21987
30734
20587
6699
22034
25051
7988
10104
* with the time, then displays 10 random integers.
*/#include <stdlib.h>
#include <stdio.h>
#include <time.h>void main( void )
{
int i; /* Seed the random-number generator with current time so that
* the numbers will be different every time we run.
*/
srand( (unsigned)time( NULL ) ); /* Display 10 numbers. */
for( i = 0; i < 10;i++ )
printf( " %6d\n", rand() );
}
Output 6929
8026
21987
30734
20587
6699
22034
25051
7988
10104
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货