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  1. # include <stdio.h>
  2.  
  3. int isPalindrome(char s[]){
  4. 	//関数の中だけを書き換えてください
  5. 	//回文になっているとき１を返す
  6. 	//回文になっていないとき０を返す
  7. 	int a = 0;
  8.     int b = 0;
  9.     while (s[a] != '\0') {
  10.         a++;
  11.     }
  12.     a--;
  13.     while (b < a) {
  14.         if (s[b] != s[a]) {
  15.             return 0; 
  16.         }
  17.         b++;
  18.         a--;
  19.     }
  20.     return 1;
  21. }
  22.  
  23. //メイン関数は書き換えなくてよいです
  24. int main(){
  25.     char s[100];
  26.     scanf("%s",s);
  27.     printf("%s -> %d\n",s,isPalindrome(s));
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0s 5284KB
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https://ideone.com/wxRw4t
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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