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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4.     int len = 0;
  5.  
  6.     while (s[len] != '\0') {
  7.         len++;
  8.     }
  9.  
  10.  
  11.     int i, j;
  12.     for (i = 0, j = len - 1; i < j; i++, j--) {
  13.         if (s[i] != s[j]) {
  14.             return 0; 
  15.         }
  16.     }
  17.  
  18.     return 1;
  19. }
  20.  
  21. //メイン関数は書き換えなくてよいです
  22. int main(){
  23.     char s[100];
  24.     scanf("%s",s);
  25.     printf("%s -> %d\n",s,isPalindrome(s));
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5292KB
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stdin
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girafarig
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girafarig -> 1
https://ideone.com/Iz1OET
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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