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// Tuan1_cuaHoang.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
using namespace std;

int main()
{   /*
    //Cau 2
    cout << "C Language Basic Syntax Rules" << endl;
    cout << "  1. Lowercase letters are significant" << endl;
    cout << "  2. main is where program excution begins" << endl;
    cout << "  3. Opening and closing enclose programstatements is a routine" << endl;
    cout << "  4. All program statements must be terminated by a semicolon" << endl;


    //Cau 4
    int num1;
    int num2;

    cin >> num1;
    cin >> num2;
    cout << abs(num1 -num2) << endl;

    //Cau 3
    int a = 321;
    int b = 123;

    cout << a - b << endl;

    //Cau 5

    int bienx;
    cin >> bienx;

    cout << pow(bienx, 3) - 5 * pow(bienx, 2) + 6 << endl;

    //Cau 6
    cout << "Nhap ban kinh cua hinh tron" << endl;
    float r;
    cin >> r;
    cout << "Chu vi cua hinh tron la:" << 3.14 * r * 2 << endl;
    cout << "Dien tich cua hinh tron la:" << 3.14 * pow(r,2) << endl;


    //Cau 7
    float m;
    float D;
    cout << "Nhap lan luot m(Mass) va D(Density) vao di:" << endl;
    cin >> m;
    cin >> D;
    cout << "V(volume) cua vat se bang = m / D =" << m << "*" << D << "=" << m / D;


    //Cau 8
    float x;
    float y;
    cout << "Lan luot nhap van toc cua Tuan va quang duong di hoc cua han ta:" << endl;
    cin >> x;
    cin >> y;
    cout << "Thoi gian di hoc cua tuan la " << y / x << endl;

    //Cau 9
    float giatien;
    cout << "nhap gia tien cua mon hang: " << endl;
    cin >> giatien;
    cout << "gia tien da bao ham VAT la: " << giatien * 1.1 << endl;
    */

    //Cau 10
    int a;
    int b;
    b = a % 10;
    cout << b;


}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file