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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. 	 int len = 0;
  5.     while (s[len] != '\0') {
  6.         len++;
  7.     }
  8.  
  9.     for (int i = 0; i < len / 2; i++) { 
  10.         if (s[i] != s[len - i - 1]) {
  11.             return 0;
  12.         }
  13.     }
  14.     return 1;
  15. }
  16.  
  17. //メイン関数は書き換えなくてよいです
  18. int main(){
  19.     char s[100];
  20.     scanf("%s",s);
  21.     printf("%s -> %d\n",s,isPalindrome(s));
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5280KB
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https://ideone.com/QW9g8U
language:
C (gcc 8.3)
created:
53 days ago
visibility:
public

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