此是草稿，有值得优化的地方，如从公鸡先循环再母鸡再小鸡这样可以提高效率，且有输出后也可优化为公鸡++母鸡小鸡初始化。

void 百元百鸡()
{//缘由https://ask.csdn.net/questions/7434093?spm=1005.2025.3001.5141
	int xj = 1, mj = 1, gj = 1, y = 100;
	while (y)
	{
		if (xj * 3 + mj + gj == y && xj + mj * 3 + gj * 5 == y)
		{
			std::cout << (xj * 3) << std::ends << mj << std::ends << gj << std::ends;
			std::cout << xj << std::ends << (mj * 3) << std::ends << (gj * 5) << std::endl;
			++xj;
			gj = mj = 1;
		}
		else
		{
			if (++gj > y - mj - xj)
			{
				gj = 1;
				if (++mj > y - gj - xj)
				{
					++xj;
					mj = 1;
				}
			}
		}
		if (xj >= y)y = 0;
	}
}

void 百元百鸡()
{//缘由https://ask.csdn.net/questions/7434093?spm=1005.2025.3001.5141
	int xj = 1, mj = 1, gj = 1, y = 100;
	while (y)
	{
		if (xj * 3 + mj + gj == y && xj + mj * 3 + gj * 5 == y)
		{
			std::cout << (xj * 3) << std::ends << mj << std::ends << gj << std::ends;
			std::cout << xj << std::ends << (mj * 3) << std::ends << (gj * 5) << std::endl;
			++xj;
			gj = mj = 1;
		}
		else
		{
			if (++mj >= 34)
			{
				mj = 1;
				if (++gj >= 20)
				{
					++xj;
					gj = 1;
				}
			}
		}
		if (xj >= y)y = 0;
	}
}