CCFCSP试题编号：201912-1试题名称：报数

#include <iostream>
#include <string>
using namespace std;

bool isSevenFun(int n)
{
	if (n % 7 == 0)//判断是否为7的倍数
	{
		return true;
	}
	while (n > 0)//判断是否含有7
	{
		int tem = n % 10;
		if (tem == 7)
		{
			return true;
		}
		n = n / 10;
	}
	return false;
}

int main()
{
	int n = 0;
	cin >> n;
	int suma = 0, sumb = 0, sumc = 0, sumd = 0;
	for (int i = 1; ; i++)
	{
		if ((i % 4) == 1)
		{
			if (isSevenFun(i))
			{
				suma++;
			}
		}
		if ((i % 4) == 2)
		{
			if (isSevenFun(i))
			{
				sumb++;
			}
		}
		if ((i % 4) == 3)
		{
			if (isSevenFun(i))
			{
				sumc++;
			}
		}
		if ((i % 4) == 0)
		{
			if (isSevenFun(i))
			{
				sumd++;
			}
		}
		if ((i-suma - sumb - sumc - sumd) == n)
		{
			break;
		}
	}
	cout << suma << endl;
	cout << sumb << endl;
	cout << sumc << endl;
	cout << sumd << endl;
	system("pause");
	return 0;
}