#include <iostream>
using namespace std;
const int N = 4;
int a [N];
 
void zvetsi() // zvetsi o jedna
{
    int p = 1; // co se pricita
    for (int i = 0; i < N; i++)
    {
        a[i] = a[i] + p; // zvetsit cifru
        p = 0; // co se priste pricte
        if (a[i] >= 2) // moc velka cislice
        {
            a[i] = a[i] - 2; // opravime (o 1 rad)
            p = 1; // priste pricist
        }
    }
}
 
int main()
{
    a[0] = 1;
    a[1] = 0;
    a[2] = 1;
    a[3] = 0;
    zvetsi();
    zvetsi();
    zvetsi();
 
    int s = 0;
    int z = 1;
    for (int i = 0; i < N; i++)
    { 
        // z = 2 ^ i
        s = s + a[i] * z; // prictu a[i] * 2^i
        z = 2 * z; // z = 2 ^ (i+1)
    }
 
    for (int i = 0; i < N; i++)
    {
        cout << "a[" << i << "] = " << a[i] <<  endl;
    }
 
    cout << "cislo ";
    for (int i = N-1; i >= 0; i--)
    {
        cout << a[i];
    }
    cout << endl;
 
    cout << "soucet " << s << endl;
}

#include <iostream>
using namespace std;
const int N = 4;
int a [N];
 
int main()
{
    a[0] = 1;
    a[1] = 0;
    a[2] = 1;
    a[3] = 0;
 
    int s = 0;
    int z = 1;
    for (int i = 0; i < N; i++)
    { 
        // z = 2 ^ i
        s = s + a[i] * z; // prictu a[i] * 2^i
        z = 2 * z; // z = 2 ^ (i+1)
    }
 
    for (int i = 0; i < N; i++)
    {
        cout << "a[" << i << "] = " << a[i] <<  endl;
    }
 
    cout << "cislo ";
    for (int i = N-1; i >= 0; i--)
    {
        cout << a[i];
    }
    cout << endl;
 
    cout << "soucet " << s << endl;
}

#include <iostream>
using namespace std;
const int N = 100;
int a [N];
 
int main()
{
    for (int i = 0; i < N; i++)
    {
        a[i] = 10 * i;
    }
 
    int s = 0;
    for (int i = 0; i < N; i++)
    { 
        s = s + a[i];
    }
 
    for (int i = 0; i < N; i++)
    {
        cout << "a[" << i << "] = " << a[i] << endl;
    }
 
    cout << "soucet " << s << endl;
}