fork download
copy 
  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. char *setPalindrome(char s[]){
  10. 	char *tmp;
  11. 	int i,size;
  12. 	size=myStrlen(s);
  13. 	tmp=(char*)malloc(sizeof(char)*(2*size+1));
  14. 	if(tmp==NULL){
  15. 		printf("ERROR\n");
  16. 		return NULL;
  17. 	}
  18. 	for(i=0;i<size;i++)tmp[i]=s[i];
  19. 	for(i=0;i<size;i++)tmp[i+size]=s[size-i-1];
  20. 	tmp[2*size]='\0';
  21. 	return tmp;
  22. }
  23.  
  24.  
  25. //メイン関数はいじる必要はありません
  26. int main(){
  27.     int i;
  28.     char nyuryoku[1024]; //入力
  29.     char *kaibun;   //回文を受け取る
  30.     scanf("%s",nyuryoku);
  31.     kaibun = setPalindrome(nyuryoku);
  32.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  33.     free(kaibun);
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 5324KB
comments (?)
stdin
copy 
abcd
stdout
copy 
abcd
  -> abcddcba
https://ideone.com/v4mDtF
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!