c语言经典算法100例.rar

				#  define  N  5           
				main( )
				 {
				    int   x  , num[N+1]  ;
				    float   st[N+1] , ave , sum=0;      
				    for (x=1 ; x				      scanf ("%d%f" , &num[x] , &st[x] )
				    for (x=1 ; x				      sum=sum + st[x] ;
				     ave =sum/N ;                   
				   printf ( " average  is : %f\n" , ave );
				   for (x=1 ; x				     if ( st[x] >= ave)
				     printf ( "%d\t%f\n" , num[x] , st[x] ) 
				}