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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. 	char *a=s;
  5. 	while(*a!='\0'){
  6. 		a++;
  7. 	}
  8. 	a=a-1;
  9. 	char *b=s;
  10. 	while(b<a){
  11. 		if(*b!=*a){
  12. 			return 0;
  13. 		}
  14. 		a=a-1;
  15. 		b=b+1;
  16. 	}
  17. 	return 1;
  18.  
  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 5320KB
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https://ideone.com/52D2zK
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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