fork download
copy 
  1. #include <stdio.h>
  2. #include <stdio.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. 	int len=myStrlen(s);
  12.  
  13. 	char *tmp=(char *)malloc((2 * len+1) * sizeof(char));
  14. 	if(tmp==NULL){
  15. 		return NULL;
  16. 	}
  17.  
  18. 	for(int i=0;i<len;i++){
  19. 		tmp[i]=s[i];
  20. 	}
  21.  
  22. 	for(int i=0;i<len;i++){
  23. 		tmp[len+i]=s[len-i-1];
  24. 	}
  25.  
  26. 	tmp[2*len]='\0';
  27.  
  28. 	return tmp;
  29. }
  30.  
  31. int main(void) {
  32. 	// your code goes here
  33. 	char nyuryoku[1024];
  34. 	char *kaibun;
  35. 	scanf("%s", nyuryoku);
  36.  
  37. 	kaibun=setPalindrome(nyuryoku);
  38. 	if(kaibun!=NULL){
  39. 		printf("%s\n  -> %s\n", nyuryoku, kaibun);
  40. 		free(kaibun);
  41. 	}
  42. 	return 0;
  43. }
  44.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
abcd
stdout
copy 
abcd
  -> abcddcba
https://ideone.com/GwkkPu
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!