?? 2.c
字號(hào):
# include <stdio.h>
main( )
{ enum fruit {apple, orange , banana , pineapple , pear };
enum fruit x, y, z, pri ;
int n, loop ;
n=0 ;
for (x=apple ;x<=pear ; x++)
for(y=apple ;y<=pear ; y++)
if (x !=y)
{ for (z=apple ;z<=pear ; z++)
if ((z !=x)&&(z !=y))
{ n=n+1;
printf("\n%-4d",n) ;
for (loop =1 ; loop<=3 ; loop++)
{ switch (loop)
{ case 1: pri=x ; break ;
case 2: pri=y ; break ;
case 3: pri=z ; break ;
default : break ; }
switch ( pri )
{ case apple : printf("%-8s", "apple") ; break ;
case orange: printf("%-8s", "orange") ; break ;
case banana : printf("%-8s", "banana") ; break ;
case pineapple : printf("%-8s","pineapple") ; break ;
case pear : printf("%-8s", "pear") ; break ;
default: break ; }
}
}
}
printf("\n total: %d",n) ;
}
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