source.cpp

#include "header.h"

void TamGiacVuong1(int Cao)
{
    for (int i = 1; i <= Cao; i++)
    {
        for (int j = 1; j <= i; j++)
        {
            cout << "*";
        }
        cout << endl;
    }
}

void TamGiacVuong2(int Cao)
{
    for (int i = 1; i <= Cao; i++)
    {
        for (int k = 1; k <= Cao - i; k++)
        {
            cout << " ";
        }
        for (int j = 1; j <= i; j++)
        {
            cout << "*";
        }
        cout << endl;
    }
}

void TamGiacVuong3(int Cao)
{
    for (int i = 1; i <= Cao; i++)
    {
        for (int j = 0; j <= Cao - i; j++)
        {
            cout << "*";
        }
        cout << endl;
    }
}

void TamGiacVuong4(int Cao)
{
    for (int i = 1; i <= Cao; i++)
    {
        for (int k = 1; k <= i; k++)
        {
            cout << " ";
        }
        for (int j = 0; j <= Cao - i; j++)
        {
            cout << "*";
        }
        cout << endl;
    }
}



void printMenuTriangle()
{
    cout << "Chon loai tam giac ma ban muon ve: " << endl;
    cout << "1." << endl;
    TamGiacVuong1(3);
    cout << "2." << endl;
    TamGiacVuong2(3);
    cout << "3." << endl;
    TamGiacVuong3(3);
    cout << "4." << endl;
    TamGiacVuong4(3);
    cout << "5." << endl;
    TamGiacDeuDung(3);
    cout << "6." << endl;
    TamGiacDeuNguoc(3);
    cout << "7. Thoat" << endl;
}

void runMenuTriangle(int Cao)
{
    printMenuTriangle();
    int lenh;
    cin >> lenh;
    system("cls");
    switch (lenh)
    {
    case 1:
        TamGiacVuong1(Cao);
        system("pause");
        break;
    case 2:
        TamGiacVuong2(Cao);
        system("pause");
        break;
    case 3:
        TamGiacVuong3(Cao);
        system("pause");
        break;
    case 4:
        TamGiacVuong4(Cao);
        system("pause");
        break;
    case 5:
        TamGiacDeuDung(Cao);
        system("pause");
        break;
    case 6:
        TamGiacDeuNguoc(Cao);
        system("pause");
        break;
    case 7:
        exit(0);
    default:
        cout << "Vui long nhap lai" << endl;
        system("pause");
    }
}