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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 len=myStrlen(s);
  13. tmp=(char *)malloc(sizeof(char )*len+1);
  14. if(tmp==NULL){
  15. 	printf("ERROTR");
  16. 	return 0;
  17. }
  18. for(int i=0;i<len;i++){
  19. tmp[i]=s[i];
  20. }
  21.  
  22. for(int i=0;i<len;i++){
  23. 		tmp[len+i]=tmp[len-1-i];
  24. 	}
  25. 	return tmp;
  26. }
  27.  
  28.  
  29. int main(){
  30.     int i;
  31.     char nyuryoku[1024]; //入力
  32.     char *kaibun;   //回文を受け取る
  33.     scanf("%s",nyuryoku);
  34.     kaibun = setPalindrome(nyuryoku);
  35.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  36.     free(kaibun);
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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acbd
stdout
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acbd
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https://ideone.com/IUMlir
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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