Binary Search of a String Array

[cjmay2013]

I have to get a binary search to search through a string array that has some animal names in it. I think I have everything else as it should be, however I'm still getting one error that says "cannot convert argument 1 from 'const std::string [10]' to 'std::string'" It is referring to line 24 where it says "result = binarySearch(names, NUM_NAMES, word);"

How do I fix this?

 #include "stdafx.h"
#include <iostream>
#include <string>

using namespace std;

int binarySearch(string, int, string);

int main()
{
	const int NUM_NAMES = 10;
	string names[NUM_NAMES] = { "baboon", "giraffe", "hippopotamus", "lion", "monkey", "rhinoceros", "tapir", "tiger", "wildebeest", "zebra" };
	string word;
	int result;

	cout << "Please enter one of hte following words: " << endl;
	cout << "baboon, giraffe, hippopotamus, lion, monkey, " << endl;
	cout << "rhinoceros, tapir, tiger, wildebeest, zebra." << endl;
	
	getline(cin, word);

	result = binarySearch(names, NUM_NAMES, word);

	if (result == -1)
		cout << "That word does not exist in the array." << endl;
	else
	{
		cout << "That word is found at element " << result << " in the array." << endl;
	}

	cin.ignore();
	
	return 0;
}

int binarySearch(string names[], int size, string value)
{
	int first = 0,             
		last = size - 1,       
		middle,                
		position = -1;         
	bool found = false;       

	while (!found && first <= last)
	{
		middle = (first + last) / 2;  
		if (names[middle] == value)      
		{
			found = true;
			position = middle;
		}
		else if (names[middle] > value) 
			last = middle - 1;
		else
			first = middle + 1;           
	}
	return position;
}

[keskiverto]

Your line 22 calls function "binarySearch". The one declared on line 7. That function neither matches the argument types of the call nor has any implementation.

Lines 7 and 36 are different functions, overloads, due to different types.