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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 x,y,i,j;
  13. 	j=1;
  14. 	x=myStrlen(s);
  15. 	tmp=(char*)malloc(sizeof(char)*(2*x)+1);
  16. 	for(i=0;i<2*x;i++){
  17. 		if(i<x){
  18. 			tmp[i]=s[i];
  19. 		}
  20. 		else{
  21. 			tmp[i]=s[i-j];
  22. 			j=j+2;
  23. 		}
  24. 	}
  25. 	return tmp;
  26. }
  27.  
  28.  
  29. int main(){
  30.     int i;
  31.     char nyuryoku[1024];
  32.     char *kaibun;   
  33.     scanf("%s",nyuryoku);
  34.     kaibun = setPalindrome(nyuryoku);
  35.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  36.     free(kaibun);
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 5268KB
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stdin
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abcde
stdout
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abcde
  -> abcdeedcba
https://ideone.com/BkJcli
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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