除法 取模 后置 前置

//除法 取模 后置 前置


#include <stdio.h>
int main()
{
    //float num1 = 5.0;
    //float num2 = 2.0;
    int num1 = 5,num2 = 2;    //整形输出整形    float行输出小数点
    //    num1++;
    double result1,result2,result3,result4;     //4种结果
    result1 = num1/num2;              //除法
    result2 = num1%num2;              //取模
    result3 = num1++;                 //后置
    result4 = --num2;                 // 前置
    printf("num1 / num2 =%f\n",result1);         //2.000000
    printf("num1 %% num2 = %.lf\n",result2);       //1
    printf("num1++ = %.2f\n",result3);             //5.00
//  printf("num1++ = %.2f\n",result3);             //6.00
    printf("--num2 = %.3f\n",result4);             //1.000
    return 0;
}