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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 j=myStrlen(s);
  14. 	tmp=(char*)malloc(sizeof(char)*(2*j+1));
  15. 	for(int k=0;k<j;k++){
  16. 		tmp[k]=s[k];
  17. 	}
  18. 	for(int k=0;k<j;k++){
  19. 		tmp[j+k]=s[j-k-1];
  20. 	}
  21. 	return tmp;
  22. }
  23.  
  24.  
  25.  
  26. int main(){
  27.     int i;
  28.     char nyuryoku[1024]; 
  29.     char *kaibun;   
  30.     scanf("%s",nyuryoku);
  31.     kaibun = setPalindrome(nyuryoku);
  32.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  33.     free(kaibun);
  34.     return 0;
  35. }
Success #stdin #stdout 0.01s 5280KB
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abab
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https://ideone.com/n1ypsX
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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