c++，c----------＞运算符和表达式

#define _CRT_SECURE_NO_WARNINGS
#include 
#include 
int main(){
	/*运算符*/
	/*算数运算符*/
	//+，-，*，/，%
	int a=20 , b=32 ;
	
	printf("a+ b=%d\n",a + b);
	printf("a-b=%d\n", a - b);
	printf("a*b=%d\n", a * b);
	printf("a/b=%f\n", a / b);
	printf("a%b=%d\n", a % b);

	//自增自减法(++,--)
	int c = 1, d = 2;
	//c++;//c=c+1//c+=1
	//printf("%d\n", c);
	//d--;//d=d-1//d-=1
	//printf("%d\n", d);
	//后置++
	int e=c++;//e=c=1;c=c+1;
	printf("c=%d\n", c);
	printf("e=%d\n", e);
	//前置++
	int g = ++c;//c=c+1;e=c=2;
	printf("c=%d\n", c);
	printf("e=%d\n", g);

	//关系运算符
	/*>,<,>=,<=,==,!=*/
	printf("c=%d\n", c>d);
	printf("c=%d\n", c=d);
	printf("c=%d\n", c<=d);
	printf("c=%d\n", c==d);
	printf("c=%d\n", c!=d);

	//逻辑运算符
	/*&&，||，！*/
	//&&:同真为真，否则为假；0为假
	printf("%d\n", 1 && -3);
	//||：有真则真，否则为假；0为假
	printf("%d\n", 0 || 0);
	//!:真变假，假变真

	//条件运算算符 ：三目与运算符
	int i = 2, o = 33;
	printf("%d\n",o>：右移*/
	/*左移是乘2 右移是除2*/
}