Cải tiến chương trình đổi các hệ nhị phân, bát phân, thập phân, thập lục phân

#1

Đây là code của em. Mong các anh chị cải tiến giúp em. Em còn gà lắm ạ!

#include <iostream>

int NhapSo(char*m);
int KiemTraSoNhiPhan();
int KiemTraSoBatPhan();
int DaoNguoc(unsigned int b, int a);
int DoiNhiPhanSangThapPhan(unsigned int d);
int DoiThapPhanSangBatPhan(unsigned int e);
int DoiBatPhanSangThapPhan(unsigned int f);
int DoiThapPhanSangNhiPhan(unsigned int g);
void DoiThapPhanSangThapLucPhan(unsigned int c);
void NhapNhiPhanSangBatPhan();
void NhapBatPhanSangNhiPhan();
void NhapNhiPhanSangThapPhan();
void NhapThapPhanSangNhiPhan();
void NhapNhiPhanSangThapLucPhan();
void NhapThapLucPhanSangNhiPhan();
void NhapBatPhanSangThapPhan();
void NhapThapPhanSangBatPhan();
void NhapBatPhanSangThapLucPhan();
void NhapThapLucPhanSangBatPhan();
void NhapThapPhanSangThapLucPhan();
void NhapThapLucPhanSangThapPhan();

int i = 0;

int main()
{
	int iChon;
	std::cout << "1. Nhi Phan --> Bat Phan." << std::endl;
	std::cout << "2. Bat Phan --> Nhi Phan." << std::endl;
	std::cout << "3. Nhi Phan --> Thap Phan." << std::endl;
	std::cout << "4. Thap Phan --> Nhi Phan." << std::endl;
	std::cout << "5. Nhi Phan --> Thap Luc Phan." << std::endl;
	std::cout << "6. Thap Luc Phan --> Nhi Phan." << std::endl;
	std::cout << "7. Bat Phan --> Thap Phan." << std::endl;
	std::cout << "8. Thap Phan --> Bat Phan." << std::endl;
	std::cout << "9. Bat Phan --> Thap Luc Phan." << std::endl;
	std::cout << "10. Thap Luc Phan --> Bat Phan." << std::endl;
	std::cout << "11. Thap Phan --> Thap Luc Phan." << std::endl;
	std::cout << "12. Thap Luc Phan --> Thap Phan." << std::endl;
	std::cout << "Chon phuong thuc doi: ";
	std::cin >> iChon;
	switch (iChon)
	{
	case 1:
		NhapNhiPhanSangBatPhan();
		break;
	case 2:
		NhapBatPhanSangNhiPhan();
		break;
	case 3:
		NhapNhiPhanSangThapPhan();
		break;
	case 4:
		NhapThapPhanSangNhiPhan();
		break;
	case 5:
		NhapNhiPhanSangThapLucPhan();
		break;
	case 6:
		NhapThapLucPhanSangNhiPhan();
		break;
	case 7:
		NhapBatPhanSangThapPhan();
		break;
	case 8:
		NhapThapPhanSangBatPhan();
		break;
	case 9:
		NhapBatPhanSangThapLucPhan();
		break;
	case 10:
		NhapThapLucPhanSangBatPhan();
		break;
	case 11:
		NhapThapPhanSangThapLucPhan();
		break;
	case 12:
		NhapThapLucPhanSangThapPhan();
		break;
	}
	system("pause");
	return 0;
}

int NhapSo(char*m)
{
	int iSo;
	std::cout << m;
	std::cin >> iSo;
	return iSo;
}

int KiemTraSoNhiPhan()
{
	int iNhiPhan = NhapSo("Nhap so nhi phan: ");
	int iTam = iNhiPhan;
	do
	{
	if (iNhiPhan % 10 > 1)
		{
			std::cout << "Nhap so chua cac so tu 0 den 1." << std::endl;
			iNhiPhan = NhapSo("Nhap so nhi phan: ");
			iTam = iNhiPhan;
		}
		iNhiPhan = iNhiPhan / 10;
	} while (iNhiPhan > 0);
	iNhiPhan = iTam;
	return iNhiPhan;
}

int KiemTraSoBatPhan()
{
	int iBatPhan = NhapSo("Nhap so bat phan: ");
	int iTam = iBatPhan;
	do
	{
		if (iBatPhan % 10 > 8)
		{
			std::cout << "Nhap so chua cac so tu 0 den 8." << std::endl;
			iBatPhan = NhapSo("Nhap so bat phan: ");
			iTam = iBatPhan;
		}
		iBatPhan = iBatPhan / 10;
	} while (iBatPhan > 0);
	iBatPhan = iTam;
	return iBatPhan;
}

int DaoNguoc(unsigned int b, int a)
{
	int iDaoSo = 0;
	for (int i = 0; i < a; i++)
	{
		iDaoSo = iDaoSo * 10 + b % 10;
		b = b / 10;
	}
	return iDaoSo;
}

int DoiNhiPhanSangThapPhan(unsigned int d)
{
	int j = 1;
	int iThapPhan = 0;
	for (i = 0; d > 0; i++)
	{
		iThapPhan = iThapPhan + (d % 10)*j;
		d = d / 10;
		j = j * 2;
	}
	return iThapPhan;
}

int DoiThapPhanSangBatPhan(unsigned int e)
{
	int iBatPhan = 0;
	int iDem = 0;
	for (i = 0; e > 0; i++)
	{
		iBatPhan = iBatPhan * 10 + (e % 8);
		e = e / 8;
		iDem++;
	}
	iBatPhan = DaoNguoc(iBatPhan, iDem);
	return iBatPhan;
}

int DoiBatPhanSangThapPhan(unsigned int f)
{
	int j = 1;
	int iThapPhan = 0;
	for (i = 0; f > 0; i++)
	{
		iThapPhan = iThapPhan + (f % 10)*j;
		f = f / 10;
		j = j * 8;
	}
	return iThapPhan;
}

int DoiThapPhanSangNhiPhan(unsigned int g)
{
	int iNhiPhan = 0;
	int iDem = 0;
	for (i = 0; g > 0; i++)
	{
		iNhiPhan = iNhiPhan * 10 + (g % 2);
		g = g / 2;
		iDem++;
	}
	iNhiPhan = DaoNguoc(iNhiPhan, iDem);
	return iNhiPhan;
}

void DoiThapPhanSangThapLucPhan(unsigned int c)
{
	int iTam[20];
	for (i = 0; c > 0; i++)
	{
		iTam[i] = c % 16;
		c = c / 16;
	}
	std::cout << "He thap luc phan: ";
	for (int j = i - 1; j >= 0; j--)
	{
		if (iTam[j] < 10)
			std::cout << iTam[j];
		else
		{
			switch (iTam[j])
			{
			case 10: 
				std::cout << "A"; 
				break;
			case 11: 
				std::cout << "B"; 
				break;
			case 12: 
				std::cout << "C";
				break;
			case 13: 
				std::cout << "D";
				break;
			case 14: 
				std::cout << "E";
				break;
			case 15: 
				std::cout << "F";
				break;
			}
		}
	}
	std::cout << std::endl;
}

int DoiThapLucPhanSangThapPhan(char h[255])
{
	int iThapPhan = 0;
	i = 0;
	while (h[i] != 0)
	{
		i++;
	}
	for (int j = 0; j < i; j++)
	{
		if (h[j] == '0')
		{
			iThapPhan = iThapPhan * 16;
		}
		else if (h[j] == '1')
		{
			iThapPhan = iThapPhan * 16 + 1;
		}
		else if (h[j] == '2')
		{
			iThapPhan = iThapPhan * 16 + 2;
		}
		else if (h[j] =='3')
		{
			iThapPhan = iThapPhan * 16 + 3;
		}
		else if (h[j] == '4')
		{
			iThapPhan = iThapPhan * 16 + 4;
		}
		else if (h[j] == '5')
		{
			iThapPhan = iThapPhan * 16 + 5;
		}
		else if (h[j] =='6')
		{
			iThapPhan = iThapPhan * 16 + 6;
		}
		else if (h[j] == '7')
		{
			iThapPhan = iThapPhan * 16 + 7;
		}
		else if (h[j] == '8')
		{
			iThapPhan = iThapPhan * 16 + 8;
		}
		else if (h[j] == '9')
		{
			iThapPhan = iThapPhan * 16 + 9;
		}
		else if (h[j] == 'A')
		{
			iThapPhan = iThapPhan * 16 + 10;
		}
		else if (h[j] == 'B')
		{
			iThapPhan = iThapPhan * 16 + 11;
		}
		else if (h[j] == 'C')
		{
			iThapPhan = iThapPhan * 16 + 12;
		}
		else if (h[j] == 'D')
		{
			iThapPhan = iThapPhan * 16 + 13;
		}
		else if (h[j] == 'E')
		{
			iThapPhan = iThapPhan * 16 + 14;
		}
		else if (h[j] == 'F')
		{
			iThapPhan = iThapPhan * 16 + 15;
		}
	}
	return iThapPhan;
}

void NhapNhiPhanSangBatPhan()
{
	int iNhiPhan = KiemTraSoNhiPhan();
	std::cout << "He bat phan: " << DoiThapPhanSangBatPhan(DoiNhiPhanSangThapPhan(iNhiPhan)) << std::endl;
}

void NhapBatPhanSangNhiPhan()
{
	int iBatPhan = KiemTraSoBatPhan();
	std::cout << "He nhi phan: " << DoiThapPhanSangNhiPhan(DoiBatPhanSangThapPhan(iBatPhan)) << std::endl;
}

void NhapNhiPhanSangThapPhan()
{
	int iNhiPhan = KiemTraSoNhiPhan();
	std::cout << "He thap phan: " << DoiNhiPhanSangThapPhan(iNhiPhan) << std::endl;
}

void NhapThapPhanSangNhiPhan()
{
	int iThapPhan = NhapSo("Nhap so thap phan: ");
	std::cout << "He nhi phan: " << DoiThapPhanSangNhiPhan(iThapPhan) << std::endl;
}

void NhapNhiPhanSangThapLucPhan()
{
	int iNhiPhan = KiemTraSoNhiPhan();
	DoiThapPhanSangThapLucPhan(DoiNhiPhanSangThapPhan(iNhiPhan));
}

void NhapThapLucPhanSangNhiPhan()
{
	fflush(stdin);
	char iThapLucPhan[255];
	i = 0;
	std::cout << "Nhap so thap luc phan: ";
	std::cin.getline(iThapLucPhan, 255);
	while (iThapLucPhan[i] != 0)
	{
		i++;
	}
	for (int j = 0; j < i; j++)
	{
		if (iThapLucPhan[j] != '0' && iThapLucPhan[j] != '1' && iThapLucPhan[j] != '2' && iThapLucPhan[j] != '3' && iThapLucPhan[j] != '4' && iThapLucPhan[j] != '5' && iThapLucPhan[j] != '6' && iThapLucPhan[j] != '7' && iThapLucPhan[j] != '8' && iThapLucPhan[j] != '9' && iThapLucPhan[j] != 'A' && iThapLucPhan[j] != 'B' && iThapLucPhan[j] != 'C' && iThapLucPhan[j] != 'D' && iThapLucPhan[j] != 'E' && iThapLucPhan[j] != 'F')
		{
			std::cout << "Nhap cac so tu 1 den 9 va tu A den F (viet hoa)." << std::endl;
			std::cout << "Nhap so thap luc phan: ";
			std::cin.getline(iThapLucPhan, 255);
			j = 0;
		}
	}
	std::cout << "He nhi phan: " << DoiThapPhanSangNhiPhan(DoiThapLucPhanSangThapPhan(iThapLucPhan)) << std::endl;
}

void NhapBatPhanSangThapPhan()
{
	int iBatPhan = KiemTraSoBatPhan();
	std::cout << "He thap phan: " << DoiBatPhanSangThapPhan(iBatPhan) << std::endl;
}

void NhapThapPhanSangBatPhan()
{
	int iThapPhan = NhapSo("Nhap so thap phan: ");
	std::cout << "He bat phan: " << DoiThapPhanSangBatPhan(iThapPhan) << std::endl;
}

void NhapBatPhanSangThapLucPhan()
{
	int iBatPhan = KiemTraSoBatPhan();
	DoiThapPhanSangThapLucPhan(DoiBatPhanSangThapPhan(iBatPhan));
}

void NhapThapLucPhanSangBatPhan()
{
	fflush(stdin);
	char iThapLucPhan[255];
	i = 0;
	std::cout << "Nhap so thap luc phan: ";
	std::cin.getline(iThapLucPhan, 255);
	while (iThapLucPhan[i] != 0)
	{
		i++;
	}
	for (int j = 0; j < i; j++)
	{
		if (iThapLucPhan[j] != '0' && iThapLucPhan[j] != '1' && iThapLucPhan[j] != '2' && iThapLucPhan[j] != '3' && iThapLucPhan[j] != '4' && iThapLucPhan[j] != '5' && iThapLucPhan[j] != '6' && iThapLucPhan[j] != '7' && iThapLucPhan[j] != '8' && iThapLucPhan[j] != '9' && iThapLucPhan[j] != 'A' && iThapLucPhan[j] != 'B' && iThapLucPhan[j] != 'C' && iThapLucPhan[j] != 'D' && iThapLucPhan[j] != 'E' && iThapLucPhan[j] != 'F')
		{
			std::cout << "Nhap cac so tu 1 den 9 va tu A den F (viet hoa)." << std::endl;
			std::cout << "Nhap so thap luc phan: ";
			std::cin.getline(iThapLucPhan, 255);
			j = 0;
		}
	}
	std::cout << "He bat phan: " << DoiThapPhanSangBatPhan(DoiThapLucPhanSangThapPhan(iThapLucPhan)) << std::endl;
}

void NhapThapPhanSangThapLucPhan()
{
	int iThapPhan = NhapSo("Nhap so thap phan: ");
	DoiThapPhanSangThapLucPhan(iThapPhan);
}

void NhapThapLucPhanSangThapPhan()
{
	fflush(stdin);
	char iThapLucPhan[255];
	i = 0;
	std::cout << "Nhap so thap luc phan: ";
	std::cin.getline(iThapLucPhan, 255);
	while (iThapLucPhan[i] != 0)
	{
		i++;
	}
	for (int j = 0; j < i; j++)
	{
		if (iThapLucPhan[j] != '0' && iThapLucPhan[j] != '1' && iThapLucPhan[j] != '2' && iThapLucPhan[j] != '3' && iThapLucPhan[j] != '4' && iThapLucPhan[j] != '5' && iThapLucPhan[j] != '6' && iThapLucPhan[j] != '7' && iThapLucPhan[j] != '8' && iThapLucPhan[j] != '9' && iThapLucPhan[j] != 'A' && iThapLucPhan[j] != 'B' && iThapLucPhan[j] != 'C' && iThapLucPhan[j] != 'D' && iThapLucPhan[j] != 'E' && iThapLucPhan[j] != 'F')
		{
			std::cout << "Nhap cac so tu 1 den 9 va tu A den F (viet hoa)." << std::endl;
			std::cout << "Nhap so thap luc phan: ";
			std::cin.getline(iThapLucPhan, 255);
			j = 0;
		}
	}
	std::cout << "He thap phan: " << DoiThapLucPhanSangThapPhan(iThapLucPhan) << std::endl;
}
#2

sao bạn ko viết chung hàm đổi kiểu:

void function(int số, int hệĐầu, int hệSau){
<các lệnh đổi>;
}
1 Like
#3

:v Thập sang hệ n thì cũng chỉ có 1 function th ^^
tương tự cho hệ n sang thập :smiley:

#4

Chỉ là mình tách công việc nó ra giống như chia để trị ý

1 Like
#5

bạn có thấy chương trình rất dài dòng?

1 Like
#6

Làm xong mới biết :smile:

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