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  1. # include <stdio.h>
  2. int myStrlen(char s[])
  3. {
  4. 	int i;
  5. 	for(i=0;s[i]!='\0';i++){
  6. 	}
  7. 	return i;
  8. }
  9. int isPalindrome(char s[]){
  10. 	int i=myStrlen(s);
  11. 	if(i%2==0)
  12. 	{
  13. 		for(int j=0;j<i/2;j++)
  14. 		{
  15. 			if(s[j]!=s[i-j-1])
  16. 			return 0;
  17. 		}
  18. 		return 1;
  19. 	}
  20. 	else
  21. 	{
  22. 		for(int j=0;j<(i+1)/2;j++)
  23. 		{
  24. 			if(s[j]!=s[i-j-1])
  25. 			return 0;
  26. 		}
  27. 		return 1;
  28. 	}
  29. }
  30. //メイン関数は書き換えなくてよいです
  31. int main(){
  32.     char s[100];
  33.     scanf("%s",s);
  34.     printf("%s -> %d\n",s,isPalindrome(s));
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/VtaCIr
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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