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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 k,q,p;
  14.     for(k=0;s[k+1]!='\0';k++);
  15. 	tmp=(char*)malloc(sizeof(char)*k*2);
  16. for(q=0;q<k;q++){    
  17. tmp[q]=s[q];
  18. }
  19. for(p=q;p<2*k;p++){
  20. tmp[p]=s[2*k-p];
  21. }
  22. tmp[p+1]='\0';
  23. return tmp;
  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. }
  36.  
Success #stdin #stdout 0s 5288KB
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stdin
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abcd
stdout
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abcd
  -> abcdcb
https://ideone.com/cbtcPT
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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