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  1. # include <stdio.h>
  2.  
  3. int myStrlen(char s[]){
  4.     int i;
  5.     for(i=0;s[i]!='\0';i++);
  6.     return i;
  7. }
  8.  
  9. int isPalindrome(char s[]){
  10. 	int i = myStrlen(s);
  11. 	if(i % 2 == 0){
  12. 		for(int f = 0; f < i / 2; f++){
  13. 			if (s[f] == s[i - f - 1]);
  14. 			else return 0;
  15. 		}
  16. 		return 1;
  17. 	}
  18. 	else{
  19. 		for(int f = 0; f < (i + 1) / 2; f++){
  20. 			if (s[f] == s[i - f - 1]);
  21. 			else return 0;
  22. 		}
  23. 		return 1;
  24. 	}
  25. 	//関数の中だけを書き換えてください
  26. 	//回文になっているとき１を返す
  27. 	//回文になっていないとき０を返す
  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 0.01s 5272KB
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https://ideone.com/Ca8LC9
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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