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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 i=myStrlen(s);
  13. 	int j;
  14. 	tmp = (char*)malloc(sizeof(char)*(i*2+1));
  15. 	if(tmp==NULL){
  16. 		printf("ERROR\n");
  17. 		return 0;
  18. 	}
  19. 	for(j=0;j<i;j++){
  20. 		tmp[j]=s[j];
  21. 	}
  22. 	for(j=0;j<i;j++){
  23. 		tmp[i+j]=s[i-j-1];
  24. 		tmp[i*2]='\0';
  25. 	}
  26. 	return tmp;
  27. }
  28.  
  29.  
  30. //メイン関数はいじる必要はありません
  31. int main(){
  32.     int i;
  33.     char nyuryoku[1024]; //入力
  34.     char *kaibun;   //回文を受け取る
  35.     scanf("%s",nyuryoku);
  36.     kaibun = setPalindrome(nyuryoku);
  37.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  38.     free(kaibun);
  39.     return 0;
  40. }
  41.  
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
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abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/uUuQiF
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

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