C语言编程：float x=3.567四舍五入到3.57,要求用自动和强制类型转换运算符结合，怎么

Question

如题所述

Answer 1

y=(int)((x*1000+5)/10)/100.0;

程序:
#include<stdio.h>
void main()
{
float x=3.567,y;
y=(int)((x*1000+5)/10)/100.0;
printf("%.2f\n",y);
}本回答被提问者采纳

Answer 2

y=((int)((x+0.005)*100))/100.0;