C++ solutions, semestr 3

zadanie 1.2

#include <iostream>
#include <vector>
using namespace std;


void print_array(ostream& os, vector<int> a, int n){

    for (int i = 0; i < n; i++) {
        os << a[i] << endl;
    }

}


int main() {

    // create a vector to store int, implement vector class
    vector<int> vec;
    int i;

    //task 1

    // push 5 values into the vector
    for(i = 0; i < 5; i++) {
        vec.push_back(i);
    }

    print_array(cout, vec, vec.size());


    //task 2


    vec.erase (vec.begin(), vec.begin()+5);

    print_array(cout, vec, vec.size());

    return 0;

zadanie1.1

#include <iostream>
#include <vector>

using namespace std;

void print_array(ostream& os, int* a, int n){

    for (int i = 0; i < n; i++) {
        os << a[i] << endl;
    }

}

int main() {

    // task 1

    int n = 5;
    int a[n];
    a[0] = 1;
    a[1] = 4;
    a[2] = 5;
    a[3] = 6;
    a[4] = 132;

    print_array(cout, a, n);


    return 0;
}

zadanie1.2

#include <iostream>
#include <vector>

using namespace std;


int main() {
    int * array = new int[20];

    int n = 100;
    for (int i = 0; i < 20; i++) {
        array[i] = n;
        n++;
    }

    cout << array[15] << endl;

    delete[] array;

    int * x = new int[20];

    cout << x[15] << endl;

    return 0;
}