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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int myStrlen(char s[]){
  5.     int i;
  6.     for(i=0;s[i]!='\0';i++);
  7.     return i;
  8. }
  9.  
  10. char *setPalindrome(char s[]){
  11. 	char *tmp;
  12. 	int len = myStrlen(s);
  13. 	int i;
  14. 	tmp = (char*)malloc(sizeof(char)*(len*2+1));
  15. 	for(i = 0;i < len; i++){
  16. 		tmp[i] = s[i];
  17. 	}
  18. 	for(i = 0; i < len  ; i++){
  19. 		tmp[len+i] = s[len-1-i];
  20. 	}
  21. 	tmp[len*2] = '\0';
  22. 	return tmp;
  23. }
  24.  
  25.  
  26. //メイン関数はいじる必要はありません
  27. int main(){
  28.     int i;
  29.     char nyuryoku[1024]; //入力
  30.     char *kaibun;   //回文を受け取る
  31.     scanf("%s",nyuryoku);
  32.     kaibun = setPalindrome(nyuryoku);
  33.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  34.     free(kaibun);
  35.     return 0;
  36. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/bczsnL
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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