#include<iostream>
#include<time.h>

using namespace std;
#define MAX 100

void Nhapmang(int arr[], int &x);
void Xuatmang(int arr[], int x);
int duong(int arr[], int x);
int Vitri(int arr[], int x);

int main()
{
	int myArray[MAX];
	int nSize;

	Nhapmang(myArray, nSize);
	Xuatmang(myArray, nSize);
	int kq = Vitri(myArray, nSize);
	cout << "vi tri " << kq << endl;

	return 0;
}
void Nhapmang(int arr[], int &x)
{
	srand((unsigned)time(NULL));
	cout << "Nhap so phan tu ";
	cin >> x;
	for (int i = 0; i < x; i++)
	{
		arr[i] = rand() % 100 - rand() % 100;
	}
}

void Xuatmang(int arr[], int x)
{
	cout << "Mang : \n";
	for (int i = 0; i < x; i++)
	{
		cout <<arr[i]<<"\t";
	}
}
int duong(int arr[], int x)
{
	for (int i = 0; i < x; i++)
	{
		if (arr[i] > 0)
			return i;
	}
	return -1;
}
int Vitri(int arr[], int x)
{
	int i;
	int duongmin = duong(arr[], x);
	if (duongmin != -1)
	{
		for (i = 0; i < x; i++)
		{
			if (arr[i] > 0 && arr[i] < arr[duongmin])
			{
				duongmin = i;
				return duongmin;
			}
		}
	}
	return -1;
}