/*文件名:exam2_7.cpp*/
#include <stdio.h>
void main()
{
	double d;
	printf("輸入一個double數(shù):");
	scanf("%lf",&d);
	d=d*100;
	d=d+0.5;
	d=(int)d;
	d=d/100;
	printf("保留兩位小數(shù):%g\n",d);
}