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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. 	tmp=(char*)malloc(sizeof(char)*2*myStrlen(s)+1);
  14.    for(int j=0;s[j]!='\0';j++){
  15. tmp[j]=s[j];
  16. }
  17.  
  18. int a=myStrlen(s);
  19. int b=myStrlen(s);
  20. for(;b>=0;b--){
  21. tmp[a]=s[b-1];
  22. a++;
  23. }
  24. return tmp;
  25. }
  26.  
  27.  
  28. int main(){
  29.     int i;
  30.     char nyuryoku[1024]; //入力
  31.     char *kaibun;   //回文を受け取る
  32.     scanf("%s",nyuryoku);
  33.     kaibun = setPalindrome(nyuryoku);
  34.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  35.     free(kaibun);
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin
copy 
abcd
stdout
copy 
abcd
  -> abcddcba
https://ideone.com/S2FlfU
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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