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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4.     int i;
  5.     int len = 0;
  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.  
  20. //メイン関数は書き換えなくてよいです
  21. int main(){
  22.     char s[100];
  23.     scanf("%s",s);
  24.     printf("%s -> %d\n",s,isPalindrome(s));
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5320KB
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stdin
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girafarig
stdout
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girafarig -> 1
https://ideone.com/OFHoFF
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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