Search Key In the array

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C++

Well I'm writing a code that will get a key from user and find that key, weather it is present in the array or not. . .
I'm using VS - 2012, I've never encourtered an error like this ..
when i build the project, it prompts an error

"error C2181: illegal else without matching if"<br />
whats' this error,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,?

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

using namespace std;

void fill(int a[], int length)
{
	for (int i = 0; i < length; i++)
	{
		cout << "Element #" << i+1 << endl;
		cin >> a[i];
	}
	 
}

void print(int a[], int length)
{
	cout << "A R R A Y Of 10 Elements .." << endl;
	for (int j = 0; j < length; j++)
	{
		cout << a[j] << " | ";
	}
}
void find_key(int a[], int length)
	{
		int key;
		cout << "Find The Number: ";
		cin >> key;
		bool found = false;
		for (int i = 0; i < length; i++)
		{
			if (key == a[i])
			{
				found = true;
			}
			if (found)
			{
				cout << "K E Y Present" << endl;
			else
			{
				cout << "K E Y Absent" << endl;
			
			}
		}
	}
}

int main()
{
	const int length = 10;
	int label[length];
	fill(label, length);
	print(label, length);
	find_key(label, length);
	system("pause");
	return 0;
}