GYAK10_9,10,11

GYAK10_9
#include <iostream>

using namespace std;

int main()
{
    int a,b,c,d=0;
    cin>>a;
    cin>>b;
    cin>>c;



    if (a+b>c && b+c>a && a+c>b)
       {
          cout<<"Kepezhetnek haromszoget";
           d=1;
       }
    else
        cout<<"Nem kepezhetnek haromszoget.";



    if (d==1 && (a==b || b==c || a==c))
        cout<<"Egyenlo szaru a haromszog.";


    return 0;
}
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GYAK10_10

#include <iostream>

using namespace std;

int main()
{
    int a,b,c,d;
    cin>>a;
    b=a/100;
    c=a/10%10;
    d=a%10;
    if (b%2==0)
        b=b/2;
    if (c%2==0)
        c=c/2;
    if (d%2==0)
        d=d/2;
    cout<<"Az uj szam:"<<b*100+c*10+d;

    return 0;
}
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GYAK10_11

#include <iostream>

using namespace std;

int main()
{

    int a,b,c;

    cin>>a;
     b=a/10;
     c=a%10;

     if (b==c)
        cout<<"Az uj szam:"<<b*1111;
     else
     {
         if (b<c)
         {
             b=9;
             cout<<"Az uj szam:"<<b*10+c;
         }
          else
          {
              c=9;
              cout<<"Az uj szam:"<<b*10+c;
          }
     }



    return 0;
}
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