//Q86. Check if a string is a palindrome.
#include <stdio.h>
#include <string.h>
int main() {
char str[100];
int i, len, flag = 0;
for(i=0; i<len/2; i++) {
if(str[i] != str[len-i-1]) {
flag = 1;
break;
}
}
if(flag == 0)
else
}
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