编辑代码

#include <stdio.h>
int main () 
{
    int x ;
    // scanf ("%d",&x) ;
    x = 2 ;
    int cnt = 0 ;

    //for (x = 2 ;x < 100 ; x++) 
    //while ( cnt < 50 )
    for ( x = 2 ; cnt < 50 ; x++ )
    {
        int i ;
        int isprime = 1 ;
        for ( i = 2 ;i < x ;i++ ) {
           if ( x % i == 0) {
              isprime = 0 ;
              break ;
           }
        }
        if ( isprime == 1 ) {
            printf ("%d ",x) ;
            cnt ++ ;
        } 
        //x ++ ; 
    }
    printf ("\n") ;

    return 0;
}