#include<stdio.h>
#include<string.h>
int main()
{
void fx(char s[100]);
char s[100];
//int n;
// n=strlen(s);
fx(s);
return 0;
}
void fx(char s[])
{
char t;
for(int i=0;i<j;i++)
{
t=s[i]; s[i]=s[j-i]; s[j-i]=t;
}
}
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