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h015.cpp
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h015.cpp
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#include<iostream>
#include<fstream>
#include<cmath>
using namespace std;
class kind_of_tryangle
{
private:
float x1, y1;
float x2, y2;
float x3, y3;
float line_square[3]; //lin1ŔÇ ÁŚ°ö
float hypo;//şřşŻ
float side1,side2;
int tryangle;
public:
kind_of_tryangle(ifstream& input)
{
input>>x1;
input>>y1;
input>>x2;
input>>y2;
input>>x3;
input>>y3;
}
void calc()
{
line_square[0] = (x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);
line_square[1] = (x1-x3)*(x1-x3)+(y1-y3)*(y1-y3);
line_square[2] = (x3-x2)*(x3-x2)+(y3-y2)*(y3-y2);
if(line_square[2]>=line_square[1] && line_square[2]>=line_square[0])
{
hypo = line_square[2];
side1= line_square[1];
side2= line_square[0];
}
else if(line_square[1]>=line_square[0] && line_square[1]>=line_square[2])
{
hypo = line_square[1];
side1= line_square[0];
side2= line_square[2];
}
else
{
hypo = line_square[0];
side1= line_square[1];
side2= line_square[2];
}
if(abs((x1-x2)/(y1-y2))==abs((x1-x3)/(y1-y3))||abs((x1-x3)/(y1-y3))==abs((x2-x3)/(y2-y3))||abs((x1-x2)/(y1-y2))==abs((x2-x3)/(y2-y3)))
{
tryangle = 0;
}
else if(hypo==side1+side2)
{
tryangle=1;
}
else if(hypo>side1+side2)
{
tryangle=2;
}
else if(hypo<side1+side2)
{
tryangle=3;
}
cout<<tryangle<<endl;
}
};
void main()
{
ifstream put;
put.open("input.txt");
int cases;
put>>cases;
for(int i=0; i<cases; i++)
{
kind_of_tryangle try1(put);
try1.calc();
}
}