#include<stdio.h>
#include<string.h>
int main()
{int l1,l2,i,j;
char a[50];
gets(a);
l1=strlen(a);
for(i=0;i<l1;i++)
{printf("%c",a[i]);
}
for(i=l1-1;i>=0;i--)
{printf("%c",a[i]);
}
return 0;
}
标签:main,return,11.23,l1,int,printf,include From: https://blog.51cto.com/u_15758636/5881148