<Codesignal> HTML End Tag By Start Tag

Easy

You are implementing your own HTML editor. To make it more comfortable for developers you would like to add an auto-completion feature to it.

Given the starting HTML tag, find the appropriate end tag which your editor should propose.

Example

• For startTag = "<button type='button' disabled>", the output should be
  htmlEndTagByStartTag(startTag) = "</button>";
• For startTag = "<i>", the output should be
  htmlEndTagByStartTag(startTag) = "</i>".

Input/Output

• [execution time limit] 0.5 seconds (c)

• [input] string startTag

  Guaranteed constraints:
  3 ≤ startTag.length ≤ 75.

• [output] string

[C] Syntax Tips

// Prints help message to the console
// Returns a string
char * helloWorld(char * name) {
    char * answer = malloc(strlen(name) + 8);
    printf("This prints to the console when you Run Tests");
    strcpy(answer, "Hello, ");
    strcat(answer, name);
    return answer;
}

---

Solution

char *htmlEndTagByStartTag(char *startTag)
{
	char *str=(char *)calloc(100,sizeof(char));

	str[0]='<';
	str[1]='/';

	for(int i=1;!isspace(startTag[i]) && startTag[i]!='>';i++)
		str[i+1]=startTag[i];
	str[strlen(str)]='>';

	return str;
}