Cicles homework

Zadacha 1:

#include <iostream>



using namespace std;


int main() {

    int i = 0;
    unsigned int n;
    cout << "Vuvedete chislo" << endl;
    cin >> n;


    while (n > 0)
    {
        n = n / 10;
        i++;

    }

    cout << i << endl;

    return 0;

}

    Zadacha 2:

#include <iostream>



using namespace std;


int main() {

    int sum = 0, y = 0;
    int i = 0;
    unsigned int n;
    cout << "Vuvedete chislo" << endl;
    cin >> n;


    while (n > 0)
    {
        y = n % 10;
        sum += y;

        n = n / 10;

    }

    cout << sum << endl;

    return 0;

}

    Zadacha 3

#include <iostream>


using namespace std;


int main() {

    int sum = 0, y = 0;
    int i = 0;
    unsigned int n;
    cout << "Vuvedete chislo" << endl;
    cin >> n;


    while (n > 0)
    {
        y = n % 10;
        sum = sum * 10 + y;

        n = n / 10;

    }

    cout << sum << endl;

    return 0;

}


    Zadacha 4:

#include <iostream>


using namespace std;


int main() {


    int for0 = 0, for1 = 0, for2 = 0 ,for3 = 0 , for4 = 0, for5 = 0, for6 = 0, for7 = 0, for8 = 0, for9 = 0;
    int y = 0;
    unsigned int n;
    cout << "Vuvedete chislo" << endl;
    cin >> n;


    while (n > 0)
    {
        y = n % 10;

        if (y == 0)
        {
            for0++;
        }
        if (y == 1)
        {
            for1++;
        }
        if (y == 2)
        {
            for2++;
        }
        if (y == 3)
        {
            for3++;
        }
        if (y == 4)
        {
            for4++;
        }
        if (y == 5)
        {
            for5++;
        }
        if (y == 6)
        {
            for6++;
        }
        if (y == 7)
        {
            for7++;
        }
        if (y == 8)
        {
            for8++;
        }
        if (y == 9)
        {
            for9++;
        }


        n = n / 10;

    }

    cout << " 0/" << for0 << " 1/" << for1 << " 2/" << for2 << " 3/" << for3 << " 4/" << for4 << " 5/" << for5 << " 6/" << for6
        << " 7/" << for7 << " 8/" << for8 << " 9/" << for9 << endl;

    return 0;

}


    Zadacha 5:

#include <iostream>



using namespace std;


int main() {

    unsigned int colums;
    char sumbol = 'a';
    cout << "Vuvedete simvol i broi redove" << endl;
    cin >> sumbol >> colums;
    int j, k = 0;

    for (int i = 1; i <= colums ; i++)
    {
        for (j = colums - 1; j >= i; j--) {

            cout << " ";
        }

        for (k = 1; k <= (2 * i - 1); k++) {

            cout << sumbol;
        }
        cout << endl;

    }


    return 0;

}