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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 i;
  13.     int n;
  14.  
  15.     n = myStrlen(s);
  16.     tmp = (char *)malloc((2 * n + 1) * sizeof(char));
  17.  
  18.     for(i=0;i<n;i++){
  19.         tmp[i] = s[i];
  20.     }
  21.  
  22.     for(i=0;i<n;i++){
  23.         tmp[n+i] = s[n-1-i];
  24.     }
  25.  
  26.     tmp[2*n] = '\0';
  27.  
  28.     return tmp;
  29. }
  30.  
  31. int main(){
  32.     //int i;
  33.     char nyuryoku[1024];
  34.     char *kaibun;   
  35.     scanf("%s",nyuryoku);
  36.     kaibun = setPalindrome(nyuryoku);
  37.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  38.     free(kaibun);
  39.     return 0;
  40. }
Success #stdin #stdout 0s 5344KB
comments (?)
stdin
copy 
abaab
stdout
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abaab
  -> abaabbaaba
https://ideone.com/dXr1C4
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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