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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.     int len = myStrlen(s);
  12.     int total = len * 2;       
  13.     char *tmp;
  14.  
  15.  
  16.     tmp = (char *)malloc((total + 1) * sizeof(char));
  17.     if(tmp == NULL){
  18.         return NULL;
  19.     }
  20.     for(int i = 0; i < len; i++){
  21.         tmp[i] = s[i];
  22.     }
  23.  
  24.     for(int i = 0; i < len; i++){
  25.         tmp[len + i] = s[len - 1 - i];
  26.     }
  27.  
  28.  
  29.     tmp[total] = '\0';
  30.  
  31.     return tmp;
  32. }
  33.  
  34. int main(){
  35.     char nyuryoku[1024]; 
  36.     char *kaibun;        
  37.     scanf("%s", nyuryoku);
  38.     kaibun = setPalindrome(nyuryoku);
  39.  
  40.     printf("%s\n -> %s\n", nyuryoku, kaibun);
  41.  
  42.     free(kaibun);
  43.  
  44.     return 0;
  45. }
  46.  
Success #stdin #stdout 0s 5296KB
comments (?)
stdin 
Standard input is empty
stdout 
1Ib��
 -> 1Ib���bI1
https://ideone.com/PgroVU
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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