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  1. #include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. 	int right;
  5. 	for(right=0; s[right]!='\0'; right++)
  6. 		;
  7. 	right--;
  8.  
  9. 	int left;
  10. 	while(left < right) {
  11. 		if(s[left]!=s[right]) {
  12. 			return 0;
  13. 		}
  14. 		left++;
  15. 		right--;
  16. 	} return 1;
  17. }
  18.  
  19. //メイン関数は書き換えなくてよいです
  20. int main(){
  21.     char s[100];
  22.     scanf("%s",s);
  23.     printf("%s -> %d\n",s,isPalindrome(s));
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5232KB
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https://ideone.com/tmN738
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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