9.10.c

谭浩强的C语言书里的部分作业

#include "stdio.h"
 # define  CHANGE   1
main()
{
    char a[20];
    int i;
    printf("Please put in the word\n");
    gets(a);
    printf("\n");
    #if CHANGE
    for(i=0;i<20;i++)
    {
    if(a[i]>='a'&&a[i]<='y'||a[i]>='A'&&a[i]<='Y')
    a[i]=a[i]+1;
    if(a[i]=='z'||a[i]=='Z')
    a[i]=a[i]-25;
    }
    printf("%s",a);
    #else
    printf("%s",a);
    #endif
    getch();
}