#include<bits/stdc++.h>
using namespace std;
int main(){
int a[2];
cin>>a[0]>>a[1]>>a[2];
sort(a,a+2);
if(a[0]+a[1]<=a[2])cout<<"Not triangle";
else{
if(a[0]*a[0]*a[1]*a[1]==a[2]*a[2])cout<<"Right triangle";
else if(a[0]*a[0]*a[1]*a[1]>a[2]*a[2])cout<<"Acute triangle";
else cout<<"Obtuse triangle";
if(a[0]==a[1]||a[1]==a[2]){
cout<<"\nIsosceles triangle";
if(a[0]==a[1]==a[2])cout<<"\nEquilateral triangle";}
}
return 0;
}
为啥爆0?