最后一个检查点在线IDE能过但题里过不了

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a[2];
    cin>>a[0]>>a[1]>>a[2];
    sort(a,a+3);
    if(a[0]+a[1]<a[2])
    {
        cout<<"Not triangle"<<endl;
        return 0;
    }
    else
    {
        if(a[0]*a[0]+a[1]*a[1]==a[2]*a[2])
            cout<<"Right triangle"<<endl;
        else if(a[0]*a[0]+a[1]*a[1]>a[2]*a[2])
                cout<<"Acute triangle"<<endl;
        else if(a[0]*a[0]+a[1]*a[1]<a[2]*a[2])
                cout<<"Obtuse triangle"<<endl;
        if((a[0]==a[1]) || (a[1]==a[2]))
        {
            cout<<"Isosceles triangle"<<endl;
            if(a[0]==a[2])
                cout<<"Equilateral triangle"<<endl;
        }
    }
    return 0;
}