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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4.  
  5. 	int len = 0;
  6.     int i;
  7.  
  8.     while(s[len] != '\0'){
  9.         len++;
  10.     }
  11.  
  12.     i = 0;
  13.     while(i < len / 2){
  14.         if(s[i] != s[len - i - 1]){
  15.             return 0;
  16.         }
  17.         i++;
  18.     }
  19.  
  20.     return 1;
  21. }
  22.  
  23. //メイン関数は書き換えなくてよいです
  24. int main(){
  25.     char s[100];
  26.     scanf("%s",s);
  27.     printf("%s -> %d\n",s,isPalindrome(s));
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0s 5272KB
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stdin
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girafarig
stdout
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girafarig -> 1
https://ideone.com/TmeeuV
language:
C (gcc 8.3)
created:
12 hours ago
visibility:
public

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