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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.  
  11. char *setPalindrome(char s[]){
  12. 	char *tmp;
  13. 	int i;
  14. 	int len = myStrlen(s); 
  15.  
  16.  
  17. 	tmp = (char *)malloc(sizeof(char) * (len * 2 + 1));
  18.  
  19.  
  20. 	for(i = 0; i < len; i++){
  21. 		tmp[i] = s[i];
  22. 	}
  23.  
  24.  
  25. 	for(i = 0; i < len; i++){
  26. 		tmp[len + i] = s[len - 1 - i];
  27. 	}
  28.  
  29.  
  30. 	tmp[len * 2] = '\0';
  31.  
  32.  
  33. 	return tmp;
  34. }
  35.  
  36.  
  37.  
  38. int main(){
  39.     //int i;
  40.     char nyuryoku[1024]; 
  41.     char *kaibun;   
  42.     scanf("%s",nyuryoku);
  43.     kaibun = setPalindrome(nyuryoku);
  44.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  45.     free(kaibun);
  46.     return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5348KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/6z2Mwr
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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