#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,b,c;   //50分求助=（
	cin>>a>>b>>c;
	if((a+b<=c) || (b+c<=a) || (a+c<=b)) 
	{
		cout<<"Not triangle"<<endl;
	}
	else if((a*a+b*b==c*c) || (a*a+c*c==b*b) || (b*b+c*c==a*a))
	{
		cout<<"Right triangle"<<endl;
	}
	else if((a*a+b*b>c*c) || (a*a+c*c>b*b) || (b*b+c+c>a*a))
	{
		cout<<"Acute triangle"<<endl;
	}
	else if((a*a+b*b<c*c) && (a*a+c*c<b*b) && (b*b+c+c<a*a))
	{
		cout<<"Obtuse triangle"<<endl;
	}
	else if((a==b&&b!=c) || (a==c&&a!=b) || (b==c&&b!=a))
	{
		cout<<"Isosceles triangle"<<endl;
	}
	else if((a==b)&&(b==c))
	{
		cout<<"Equilateral triangle"<<endl;
	}
}

这个程序1,3,4这几个point过不了，其实第一次提交是鸭蛋

初学c++，大佬帮忙看一下吧！！！