#include<iostream>
using namespace std;
int main()
{
//加法先入门,其他格式与加法都一致
int a1 = 10;
int b1 = 3;
int c1 = 0;
c1 = b1 + a1;
cout <<"c1(a1+b1的值是) " << c1 << endl;
//1.前置递增
int a = 12;
++a; //让a+1
cout << "a=" << a << endl;
//2.后置递增
int b = 12;
b++; //让b+1
cout << "b=" << b << endl;
//前置和后置区别:前置递增先让变量+1在进行表达式的运算
//后置递增先进行表达式的计算在+1
//for example
//前置
int c = 10;
int d = ++c * 10;
cout << "c=" << c << endl;
cout << "d=" << d << endl;
//后置
int e = 10;
int f = e++ * 10;
cout << "e=" << e << endl;
cout << "f=" << f << endl;
system("pause");
return 0;
}