#include#includevoid main(){ char a[100]; int i=0,j=0; scanf("%s",&a); j=strlen(a); for(i=0;i<=j;i++) { if(a[i]>='A' && a[i]<='Z') a[i]=a[i]+32; else if(a[i]>='a' && a[i]<='z') a[i]=a[i]+3; else a[i] = a[i]; }puts(a);}
e e 有思路吗?这是平时作业 还是怎么地?