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  1. #include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4.     int i, len = 0;
  5.  
  6.     while(s[len] != '\0'){
  7.         len++;
  8.     }
  9.  
  10.     for(i = 0; i < len; i++){
  11.         if(s[i] != s[len - 1 - i]){
  12.             return 0;
  13.         }
  14.     }
  15.  
  16.     return 1;
  17. }
  18.  
  19. int main(){
  20.     char s[100];
  21.     scanf("%s",s);
  22.     printf("%s -> %d\n",s,isPalindrome(s));
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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 -> 1
https://ideone.com/lOVkpm
language:
C (gcc 8.3)
created:
22 hours ago
visibility:
public

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