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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. char *setPalindrome(char s[]){
  10.     char *tmp;
  11.     int len = myStrlen(s);
  12.     int i;
  13.     tmp=(char*)malloc((2*len+1)*sizeof(char));
  14.     for(i=0;i<len;i++){
  15.         tmp[i]=s[i];
  16.     }
  17.     for(i=0;i<len;i++){
  18.         tmp[len+i]=s[len-1-i];
  19.     }
  20.     tmp[2*len]='\0';
  21.  
  22.     return tmp;
  23. }
  24.  
  25. int main(){
  26.     int i;
  27.     char nyuryoku[1024]; 
  28.     char *kaibun; 
  29.     scanf("%s",nyuryoku);
  30.     kaibun = setPalindrome(nyuryoku);
  31.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  32.     free(kaibun);
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/NFdMER
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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