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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 len = myStrlen(s);
  14. 	int i;
  15. 	tmp = (char *)malloc(sizeof(char) * (len * 2 + 1));
  16. 	for(i = 0; i < len; i++){
  17. 		tmp[i] = s[i];
  18. 	}
  19.  
  20. 	for(i = 0; i < len; i++){
  21. 		tmp[len + i] = s[len - 1-i];
  22. 	}
  23.  
  24. 	tmp[len * 2] = '\0';
  25. 	return tmp;
  26. }
  27.  
  28. int main(){
  29.     int i;
  30.     char nyuryoku[1024]; 
  31.     char *kaibun;   
  32.     scanf("%s",nyuryoku);
  33.     kaibun = setPalindrome(nyuryoku);
  34.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  35.     free(kaibun);
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/3qMA2m
language:
C (gcc 8.3)
created:
8 days ago
visibility:
public

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