ex3_6.cpp

纯粹是学习专用～

#include <iostream.h>
#include <iomanip.h>
void main(){
	int c,s;
	float p,w,d,f;
	cout<<"输入运输单价p，重量w和里程s:"<<endl;
	cin>>p>>w>>s;
	c=s/250;
	switch(c){
		case 0:                            d=0;    break;
		case 1:                            d=0.02; break;
		case 2: case 3:                    d=0.05; break;
		case 4: case 5: case 6:  case 7:   d=0.08; break;
		case 8: case 9: case 10: case 11:  d=0.1;  break;
		default:                           d=0.15;
	}
	f=p*w*s*(1-d);
	cout<<"运输单价:"<<p<<'\t'<<"重量:"<<w<<'\t'<<"里程:"<<s<<endl;
	cout<<"折扣:"<<d<<endl;
	cout<<"运费:"<<f<<endl;
}