#include <stdio.h>
#include <string.h>
int main()
{
int i, a, b, c = 0, j;
char s[105];
char t[105];
j = a - 1;
for(i = 0; i <= a, j >= 0; i++, j--)
{
t[i] = s[j];
}
for(i = 0; i < a; i++)
{
if(t[i] == s[i])
{
c++;
}
else
{
break;
}
}
if(c >= 1)
{
}
else
{
}
return 0;
}
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