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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.  
  12. char *setPalindrome(char s[]){
  13. 	char *tmp;
  14. 	int i,size;
  15. 	size=myStrlen(s);
  16. 	tmp=(char*)malloc(sizeof(char)*(2*size+1));
  17. 	if(tmp==NULL){
  18. 		printf("ERROR\n");
  19. 		return 0;
  20. 	}
  21. 	for(i=0;i<size;i++)tmp[i]=s[i];
  22. 	for(i=0;i<size;i++) tmp[i+size] = s[size-i-1];
  23.     tmp[2*size] = '\0';
  24.     return tmp;
  25. 	//以下に必要な宣言を含めて書いてください
  26. }
  27.  
  28.  
  29. //メイン関数はいじる必要はありません
  30. int main(){
  31.     int i;
  32.     char nyuryoku[1024]; //入力
  33.     char *kaibun;   //回文を受け取る
  34.     scanf("%s",nyuryoku);
  35.     kaibun = setPalindrome(nyuryoku);
  36.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  37.     free(kaibun);
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/FzE2Jo
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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