#include <iostream>
#include <Windows.h>

using namespace std;

int main() {

    // 解决控制台中文输出乱码
    SetConsoleOutputCP(CP_UTF8);


    /****************************************
     * 算术运算符
     * **************************************/
    int a = 21;
    int b = 10;
    int c;
    
    c = a + b;
    cout << "Line 1 - c 的值是 " << c << endl ;
    c = a - b;
    cout << "Line 2 - c 的值是 " << c << endl ;
    c = a * b;
    cout << "Line 3 - c 的值是 " << c << endl ;
    c = a / b;
    cout << "Line 4 - c 的值是 " << c << endl ;
    c = a % b;
    cout << "Line 5 - c 的值是 " << c << endl ;
    c = a++;
    cout << "Line 6 - c 的值是 " << c << endl ;
    c = a--;
    cout << "Line 7 - c 的值是 " << c << endl ;


    /****************************************
     * 关系运算符
     * **************************************/
    if ( a == b ) {
        cout << "Line 1 - a 等于 b" << endl ;
    } else {
        cout << "Line 1 - a 不等于 b" << endl ;
    }

    if ( a < b ) {
        cout << "Line 2 - a 小于 b" << endl ;
    } else {
        cout << "Line 2 - a 不小于 b" << endl ;
    }

    if ( a > b ) {
        cout << "Line 3 - a 大于 b" << endl ;
    } else {
        cout << "Line 3 - a 不大于 b" << endl ;
    }    /* 改变 a 和 b 的值 */

    a = 5;
    b = 20;

    if ( a <= b ) {
        cout << "Line 4 - a 小于或等于 b" << endl ;
    }
    if ( b >= a ) {
        cout << "Line 5 - b 大于或等于 a" << endl ;
    }


    /****************************************
     * 逻辑运算符
     * **************************************/
    a = 5;
    b = 20;
    if ( a && b ) {
        cout << "Line 1 - 条件为真"<< endl ;
    }

    if ( a || b ) {
        cout << "Line 2 - 条件为真"<< endl ;
    }
    
    /* 改变 a 和 b 的值 */
    a = 0;
    b = 10;
    if ( a && b ) {
        cout << "Line 3 - 条件为真"<< endl ;
    } else {
        cout << "Line 4 - 条件不为真"<< endl ;
    }

    if ( !(a && b) ) {
        cout << "Line 5 - 条件为真"<< endl ;
    }

    /****************************************
     * 位运算符
     * **************************************/
    a = 60;     // 60 = 0011 1100  
    b = 13;    // 13 = 0000 1101
    c = 0;           

    c = a & b;             // 12 = 0000 1100
    cout << "Line 1 - c 的值是 " << c << endl ;
    c = a | b;             // 61 = 0011 1101
    cout << "Line 2 - c 的值是 " << c << endl ;
    c = a ^ b;             // 49 = 0011 0001
    cout << "Line 3 - c 的值是 " << c << endl ;
    c = ~a;                // -61 = 1100 0011
    cout << "Line 4 - c 的值是 " << c << endl ;
    c = a << 2;            // 240 = 1111 0000
    cout << "Line 5 - c 的值是 " << c << endl ;
    c = a >> 2;            // 15 = 0000 1111
    cout << "Line 6 - c 的值是 " << c << endl ;

    /****************************************
     * 赋值运算符
     * **************************************/
    a = 21;

    c =  a;
    cout << "Line 1 - =  运算符实例，c 的值 = : " <<c<< endl ;
    c +=  a;
    cout << "Line 2 - += 运算符实例，c 的值 = : " <<c<< endl ;
    c -=  a;
    cout << "Line 3 - -= 运算符实例，c 的值 = : " <<c<< endl ;
    c *=  a;
    cout << "Line 4 - *= 运算符实例，c 的值 = : " <<c<< endl ;
    c /=  a;
    cout << "Line 5 - /= 运算符实例，c 的值 = : " <<c<< endl ;
    
    c  = 200;
    c %=  a;
    cout << "Line 6 - %= 运算符实例，c 的值 = : " <<c<< endl ;
    // a = 11 = 0000 1011
    c <<=  2;
    // a = 44 = 0010 1100
    cout << "Line 7 - <<= 运算符实例，c 的值 = : " <<c<< endl ;
    c >>=  2;
    cout << "Line 8 - >>= 运算符实例，c 的值 = : " <<c<< endl ;
    c &=  2;
    cout << "Line 9 - &= 运算符实例，c 的值 = : " <<c<< endl ;
    c ^=  2;
    cout << "Line 10 - ^= 运算符实例，c 的值 = : " <<c<< endl ;
    c |=  2;
    cout << "Line 11 - |= 运算符实例，c 的值 = : " <<c<< endl ;

    return 0;
}