#include <iostream>
#include <fstream>
#include <math.h>

using namespace std;

int main()
{
    float a,b,c,x1,x2,delta;
    ifstream f("date.in"); ofstream g("date.out");
    f>>a>>b>>c;
    if(a==0)g<<"ec.de gradul 1";
    else
    {
        delta=b*b-4*a*c;
        if(delta>0)
        {
            x1=(-b-sqrt(delta))/(2*a);
            x2=(-b+sqrt(delta))/(2*a);
            g<<"ec.are doua radacini reale";
            g<<"x1="<<x1<<"x2="<<x2;
        }
        else
            if(delta==0)
        {
            g<<"ec.are doua radacini reale";
            g<<"x1=x2="<<-b/(2*a);
        }
        else
            g<<"ec.are doua radacini reale";
    }
    f.close();g.close();
}




#include <iostream>
#include<fstream>

using namespace std;

int main()
{ int a,b,r;
ifstream f("euclid.in");
ofstream g("euclid.out");
f>>a>>b;
while(a%b)
{
    r=a%b;a=b;b=r;}
g<<b;
f.close();
g.close();

}




#include <iostream>
#include <iostream>
#include <math.h>

using namespace std;

int main()
{ unsigned int n,i,j,x,prim;
cout<<"n=";cin>>n;
for(i=1;i<=n;i++);
{
    cout<<"numarul =");cin>>x;
    if(x==1) prim=0;
    else
    {
        prim=1; j=2;
        while(prim&&j<=sqrt(x))
            if(x%j= =0) prim =0;
        else j++;
    }
    if(prim)cout<<x<<endl;
}
}

#include <iostream>


using namespace std;

int main()
{ unsigned int a, d, m;
 cout<<" a=";cin>>a;
 d=2;
 while(a>1)
 {
     m=0;
     while(a%m==0)
     {m++;a=a/d;}
     if(m)cout<<d<<"^"<<m<<"";
     d++;
 }


}



#include <iostream>
using namespace std;

int main()
{ int m, i, z, max, poz;
cout<<"m=";cin>>m;
 randomize();
max=rand()%122;poz=1;
for(i=2;i<=m;i++)
{ z=rand()%122;
    if(z>max)
        {max=z; poz=i;}

}
cout<<"maxim="<<max;
cout<<"pe pozitia="<<poz;}