move zeros to the end of array

move_zeros.cpp

#include <iostream>
using namespace std;

void move_zeros_to_end(int* input, int len)
{
	int zero = INT_MIN;
	for(int i = 0; i < len; i++)
	{
		if (input[i] == 0)
		{
			if (zero == INT_MIN)
				zero = i;		
		} else if (zero != INT_MIN)	
		{		
			input[zero] = input[i];
			input[i] = 0;
			zero = i;					
		}	
	}
}

int main()
{
	int input[7] = {1,2,0,4,0,0,8};
	move_zeros_to_end(input, 7);
	
	for(int i = 0; i < 7; i++)
		cout<<input[i];
	cout<<endl;
	return 1;
}