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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.  
  12. int i,size;
  13. char *tmp;
  14. size=myStrlen(s);
  15. tmp=(char*)malloc(sizeof(char)*(2*size+1));
  16. if(tmp==NULL){
  17. printf("error\n");
  18. return NULL;
  19. }
  20. for(i=0;i<size;i++)
  21. tmp[i]=s[i];
  22. for(i=0;i<size;i++)
  23. tmp[i+size]=s[size-i-1];
  24. tmp[2*size]='\0';
  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 5304KB
comments (?)
stdin
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abbcd
stdout
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abbcd
  -> abbcddcbba
https://ideone.com/Xeixkl
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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