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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. int myStrlen(char s[]){
  4. 	int i;
  5. 	for(i=0;s[i]!='\0';i++);
  6. 	return i;
  7. }
  8.  
  9. char *setPalindrome(char s[]){
  10. 	char *tmp;
  11. 	int i,j;
  12. 	j=myStrlen(s);
  13. 	tmp=(char *)malloc((2*j)*sizeof(char));
  14. 	for(i=0;i<j;i++){
  15. 		tmp[i]=s[i];
  16. 	}
  17. 	for(i=0;i<j;i++){
  18. 		tmp[j+i]=s[j-i-1];
  19. 	}
  20. 	tmp[2*j]='\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-> %s\n",nyuryoku,kaibun);
  31. 	free(kaibun);
  32. 	return 0;
  33. }
Success #stdin #stdout 0s 5268KB
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stdin
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abcd
stdout
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abcd-> abcddcba
https://ideone.com/7FSUdS
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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