C++ 개념 공부

C++ 로또 번호 생성기

taene_ 2023. 8. 25. 15:16
#include <iostream>
using namespace std;

void Swap(int& a, int& b)
{
	int c = a;
	a = b;
	b = c;
}

void Sort(int* numbers, int count)
{
	for (int i = 0; i < count; i++)
	{
		for (int j = 0; j < count - 1; j++)
		{
			if (numbers[j] > numbers[j + 1])
			{
				Swap(numbers[j], numbers[j + 1]);
			}
		}
	}

}

void ChooseLotto(int* numbers)
{
	int count = 0;

	while (count != 0)
	{
		int randValue = 1 + rand() % 45;	//rand()%45 -> 0~44

		//이미 찾은 값인가?
		bool isFind = false;

		for (int i = 0; i < count; i++)
		{
			if (numbers[i] == randValue)
			{
				isFind = true;
				break;
			}
		}
		if (isFind == false)
		{
			numbers[count] = randValue;
			count++;
		}


	}

	Sort(numbers, 6);
}

int main()
{
	srand(time(0));

	int lotto[6];

	ChooseLotto(lotto);

	for (int i = 0; i < 6; i++)
	{
		cout << lotto[i] << endl;
	}
}