gyak 9 1-3

#include <iostream>

using namespace std;

int main()
{
    int a,b,c,d;
    cout<<"a=";cin>>a;
    cout<<"b=";cin>>b;
    cout<<"c=";cin>>c;
     if (a<d)
      d=a;
     if (b<d)
      d=b;
     if (c<d)
      d=c;

     cout<<"A legkisebb:"<<d;
     return 0;
}
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#include <iostream>

using namespace std;

int main()
{
    int a,b;
     int x;
     cout<<"a=";cin>>a;
     cout<<"b=";cin>>b;
     x=(-b)/a;
     cout<<a<<"x+"<<b<<endl;
     cout<<"x="<<x;

    return 0;
}
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#include <iostream>

using namespace std;

int main()
{
    int a,b,c,d,e,y;
    cin>>a;
    b=a/1000;
    c=a/100%10;
    d=a/10%10;
    e=a%10;

    y=e*1000+d*100+c*10+b;
    if (a==y)
      cout<<"A szam palindrom";
    else
      cout<<"A szam nem palindrom";

    return 0;
}