#include<stdio.h>
#include<string.h>
int main()
{
int i,len;
char a[100];
gets(a);
len=strlen(a);
for(i=0;i<len;i++)
{if(a[i]>='A'&&a[i]<='Z')
{a[i]=a[i]+32;
}
}
for(i=0;i<len;i++)
printf("%c",a[i]);
return 0;
}
标签:main,return,int,11.22,len,include From: https://blog.51cto.com/u_15758636/5878693