#include<iostream>
#include<cstring>
using namespace std;


/* Quintuple each letter in a string
 * 	char *str : A null-terminated string
 * 	Note:  str must have enough space for 5 copies of each letter!
 * 	This function should replace each letter with 5 copies of itself.
 * 	example:
 * 		char cat[16] = "cat";
 * 		quintuple_letters(cat);
 * 		At this point, cat should contain "cccccaaaaattttt"
 */
void quintuple_letters(char *str){
}

/* Count the occurances of a given letter in a string
 * 	const char *str : String to count letters in
 * 	char l : letter to count occurances of
 * 	example:
 * 		unsigned int result = count_letter("apple", 'p');
 * 		result should contain the value 2
 * 	Note:  "const", because this function does not change str
 * 	If we left it off, the program would still work
 * 	But this way, you could run things like this:
 * 	cout << count_letter("book", 'o') << endl;
 * 	"book" is a const char*, so the compiler would object without const
 */
unsigned int count_letter(const char* str, char l){
}

/* Remove the given index from a string
 * 	char *str : The string to remove the index from
 * 	size_t index : The index to remove
 * 	example:
 * 		char insect[] = "beehive";
 * 		remove_index(insect, 1);
 * 		insect should now contain "behive"
 * 	Note:  This means every character after index must shift to the left
 * 	Another note:  Be careful not to duplicate the last character
 */
void remove_index(char *str, size_t index){
}

/* Remove all occurances of a particular letter from a string
 * 	char *str : The string to remove occurances from
 * 	char letter : the letter to remove
 * 	example:
 * 		char phrase[] = "There are bees in here";
 * 		remove_all(phrase, 'e');
 * 		phrase should now contain "Thr ar bs in hr"
 * 	Feel free to use remove_index to do the actual removal
 */
void remove_all(char *str, char letter){
}


int main(){
	char zebra[64] = "zebra";
	quintuple_letters(zebra);
	cout << zebra << endl;

	char c[128] = "chupacabra";
	cout << "Chupacabra has " << count_letter(c, 'a') << " a's\n";
	remove_index(c, 4);
	remove_index(c, 5);
	remove_index(c, 7);
	cout << "With them removed:  " << c << endl;

	char longer[] = "Zebra and Chupacabra both have the letter a, and so do many other words, such as aadrvark, apple, cat, and kashyyyk";
	remove_all(longer, 'a');
	cout << longer << endl;

	return 0;
}