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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,len=myStrlen(s);
  13. 	tmp=(char*)malloc(sizeof(char)*(2*len+1));
  14. 	if(tmp==NULL){
  15. 		printf("ERROR\n");
  16. 		return 0;
  17. 	}
  18. 	for(i=0;i<len;i++) tmp[i]=s[i];
  19. 	for(i=0;i<len;i++) tmp[len+i]=s[len-1-i];
  20. 	tmp[2*len]='\0';
  21. 	return tmp;
  22. }
  23.  
  24. int main(){
  25.     int i;
  26.     char nyuryoku[1024];
  27.     char *kaibun;
  28.     scanf("%s",nyuryoku);
  29.     kaibun = setPalindrome(nyuryoku);
  30.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  31.     free(kaibun);
  32.     return 0;
  33. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
abcd
stdout
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abcd
  -> abcddcba
https://ideone.com/rBAYbd
4/課題2-2
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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