测试点4没过 小女子要破防了who can help me已经要碎掉了

#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
    int a,b,c;
    cin>>a>>b>>c;
    int nmax=max(max(a,b),c);
    nmax=a;
    if(a+b<=c||a+c<=b||b+c<=a){
        cout<<"Not triangle"<<endl;
    }else {
        if(b*b+c*c==a*a){
            cout<<"Right triangle"<<endl;
        }
        if(b*b+c*c>a*a){
            cout<<"Acute triangle"<<endl;
        }
        if(b*b+c*c<a*a){
            cout<<"Obtuse triangle"<<endl;
        }
        if(b==c||a==b||a==c){
            cout<<"Isosceles triangle"<<endl;
        }
        if(a==b&&b==c&&a==c){
            cout<<"Equilateral triangle"<<endl;
        }
    }return 0;
}