lesson13_321

#include <iostream>
#include <windows.h>

using namespace std;


void twice() {
    int a = 0, b = 0;
    int a_max = 5, b_max = 4;
    while (a <= a_max) {
        b = 0;
        while (b <= b_max) {
            cout << "(" << a
                << ", " << b
                << ")" << endl;
            b++;
        }
        a++;
    }
}


void test_ternarny() {
    double a = 8, b = 7;
// Case 1
    if (a > b)
        cout << a / b << endl;
    else
        cout << b / a << endl;
// Case 2.1
    cout << ((a > b) ? a / b : b / a) << endl;
// Case 2.2
    (a > b) ? cout << (a / b) << endl :
              cout << (b / a) << endl;

}

void test_mod() {
    int a = 7;
    int b = 3;

    cout << b << "*" << a / b
        << " + " << a % b
        << " = " << a << endl;
}

void test_sqrt() {
    int d = 0;
    double val;
    while (d <= 100) {
        val = sqrt(d);
        if (int(val) == val)
            cout << d << " -- "
            << val << endl;
        d++;
    }

    cout << sqrt(37) << endl;
}

void test_dowhile() {
    int x = 0;
    do {
        x += 1;
        cout << x << endl;
    } while (x <= 5);
}


bool is_simple(int n) {
    bool is_simple = true;
    int k = 2;
    while (k < n) {
        if (n % k == 0) return false;
        k++;
    }
    return true;
}

void simple_num2() {
    int n = 1;
    int summ = 0;
    do {
        if (is_simple(n)) {
            cout << n << " ";
            summ += n;
        }
        n++;
    } while (summ < 1000);
    cout << endl;
    cout << summ << endl;
}

void test_clock() {
    int num_bam = 0;
    for (int hour = 1; hour <= 12; hour++) {
        num_bam += hour;
        for (int bam = 0; bam < hour; bam++) {
            system("cls");
            cout <<"Load: " << bam;
            Sleep(500);
        }
        //cout << endl;
    }
    cout << num_bam << endl;
}

void simple_num() {
    int n = 1, k = 0, summ = 0;
    bool is_simple;
    while (n <= 1000) {
        k = 2;
        is_simple = true;
        while (k < n) {
            if (n % k == 0) {
                is_simple = false;
                break;
            }
            k++;
        }
        if (is_simple) {
            cout << n << " ";
            summ += n;
        }
        n++;
    }
    cout << endl;
}


int main() {
    //twice();
    //test_ternarny();
    //test_dowhile();
    //simple_num2();

    test_clock();

    return 0;
}