Uri 2313 - Which Triangle

#include<bits/stdc++.h>

using namespace std;
 

int main()
{
    int a,b,c;
    string ans = "" ;
    cin >> a >> b >> c ;
    if( a + c > b ){
    if((a != b and b == c) or ( a == c and a != b) or ( a == b and c != b))
        ans = "Valido-Isoceles";
    else if(a == b and a == c)
        ans = "Valido-Equilatero" ;
    else if(a != b and b != c and a != c)
        ans = "Valido-Escaleno";
    }
    else{
        ans = "Invalido";
    }

    if(ans != "Invalido"){
      if( pow(a,2) == pow(b,2) + pow(c,2)
         or pow(b,2) == pow(a,2) + pow(c,2)
         or pow(c,2) == pow(a,2) + pow(b,2) )
         cout << ans << endl << "Retangulo: S" << endl ;
       else
         cout << ans << endl << "Retangulo: N" << endl;
    }
    else
        cout << ans << endl;

    return 0;
}