lesson16_322

#include <iostream>

using namespace std;

int get_rand(int a, int b);

void show_arr(int size, int arr[]) {
    for (int k = 0; k < size; k++) {
        cout << arr[k] << " ";
    }
    cout << endl;
}

void gen_arr(int size, int arr[]) {
    for (int k = 0; k < size; k++) {
        arr[k] = get_rand(-10, 10);
    }
}

int get_rand(int a, int b) {
    return rand() % (b - a + 1) + a;
}

void task1() {
    const int size = 10;
    int arr[size];
    int arr_shift[size];
    int arr_shift2[size];
    int arr_shift3[size]{};
    int temp;

    gen_arr(size, arr);

    for (int k = size - 1; k > 0; k--) {
        arr_shift[k] = arr[k - 1];
    }
    arr_shift[0] = 0;

    for (int k = 0; k < (size - 1); k++) {
        arr_shift2[k+1] = arr[k];
    }
    arr_shift2[0] = 0;

    for (int k = 0 ; k < size - 1 ; k++) {
        arr_shift3[k] = arr[k + 1];
    }
    arr_shift3[size - 1] = 0;

    show_arr(size, arr);
    show_arr(size, arr_shift);
    show_arr(size, arr_shift2);
    show_arr(size, arr_shift3);
}

void shift1(int size, int arr[], int arr1[]) {
    for (int k = 0; k < (size - 1); k++) {
        arr1[k + 1] = arr[k];
    }
    arr1[0] = 0;
}


void shift2(int size, int arr[], int m) {
    for (int k = (size - 1); k >= m; k--) {
        arr[k] = arr[k-m];
    }
    for(int k = 0; k < m; k++)
        arr[k] = 0;
}

void test_swap_ram() {
    int a = 7, b = 3;
    int temp = a;
    a = b;
    b = temp;
    cout << a << " " << b << endl;
}

void test_swap_cpu() {
    int a = 7, b = 3;
    a = a + b;
    b = a - b;
    a = a - b;
    cout << a << " " << b << endl;
}

/*
int sum(int a, int b) {
    //int a = aa, int b = bb;
    b = 12;
    return a * b;
}

void test_sum(){
    cout << sum(4, 3) << endl;
    cout << sum(21, 34) << endl;
    int f = sum(5, 3) + sum(12, 23);
    int c = 12;
    cout << sum(21, c);
}
*/

void test_arr_shift() {
    int arr_one[4];
    int arr_two[4];

    gen_arr(4, arr_one);
    show_arr(4, arr_one);

    shift1(4, arr_one, arr_two);
    show_arr(4, arr_two);
}

void test_shift2() {
    int arr_one[7]{ 1, 2, 3, 4, 5, 6, 7 };
    show_arr(7, arr_one);
    shift2(7, arr_one, 3);
    show_arr(7, arr_one);
}

void test_univers_init() {
    int x = 7.5;
    // int y{ 7.5 }; - error
    // x{ 13 }; - error
    cout << x << " " << 'y' << endl;
}

int main() {
    srand(time(NULL));
    //task1();
    //test_swap_ram();
    //test_swap_cpu();



    return 0;
}