main.cpp

输入两组数

#include "linklist.h"
#include "linklist2.h"
#include<stdio.h>
#include<iostream>
using namespace std;

int main()
{
	Cllcompute cc1,cc2;
	CLinerRegPa clr;
	HNode head1,head2;
	float x,y,a,b;
	cin>>x>>y;
	head1=cc1.Creatlist(x);
	head2=cc2.Creatlist(y);
	while(cin>>x>>y)
	{
		cc1.Add(head1,x);
		cc2.Add(head2,y);
	}
	clr.calculateLRG(head1,head2);
	a=clr.getA();
	b=clr.getB();
	if(a>=0)
		printf("y=%.6fx+%.6f\n",b,a);
	else
		printf("y=%.6fx%.6f\n",b,a);
	printf("请输入x：");
	scanf("%f",&x);
	y=b*x+a;
	printf("y=%.6f",y);
}