pesterevaev_week15_task1_1

#include <iostream>
#include <iomanip>
#include <random>
#include <ctime>

typedef int myInt;

using namespace std;

int action(int* arrayA, int* arrayB, int sizeA, int sizeB, int(*func[3])(int*, int)) {
    cout << "Enter the array you are going to work with(1 - arrayA or 2 - arrayB): ";
    int numArray;
    cin >> numArray;
    cout << "Enter the action which you want to perform with the array: " << endl;
    cout << "1 - to find maximum" << endl;
    cout << "2 - to find minimum" << endl;
    cout << "3 - to find average" << endl;
    int numAct;
    cin >> numAct;
    switch (numArray) {
        case 1: {
            switch (numAct) {
            case 1: return (*func[0])(arrayA, sizeA); break;
            case 2: return (*func[1])(arrayA, sizeA); break;
            case 3: return (*func[2])(arrayA, sizeA); break;
            }
            break;
        }
        case 2: {
            switch (numAct) {
            case 1: return (*func[0])(arrayB, sizeB); break;
            case 2: return (*func[1])(arrayB, sizeB); break;
            case 3: return (*func[2])(arrayB, sizeB); break;
            }
            break;
        }
    }

}

int max(int* array, int size) {
    int max = INT_MIN;
    for (int i = 0; i < size; ++i) {
        if (array[i] > max) max = array[i];
    }
    cout << "Max = " << max;
    return max;
}

int min(int* array, int size) {
    int min = INT_MAX;
    for (int i = 0; i < size; ++i) {
        if (array[i] < min) min = array[i];
    }
    cout << "Min = " << min;
    return min;
}

int avg(int* array, int size) {
    double sum = 0.0;
    for (int i = 0; i < size; ++i) {
        sum += array[i];
    }
    double avg = sum / size;
    cout << "Avg = " << fixed << setprecision(2) << avg;
    return avg;
}

void print(int* array, int size) {
    for (int i = 0; i < size; ++i) {
        cout << array[i] << " ";
    }
    cout << endl;
}

int main()
{
    random_device rand;
    mt19937 gen(time(NULL));
    uniform_int_distribution<> result(1, 100);
    const int sizeA = 10;
    int arrayA[sizeA] = {};
    for (int i = 0; i < sizeA; ++i) {
        arrayA[i] = result(gen);
    }
    const int sizeB = 15;
    int arrayB[sizeB] = {};
    for (int i = 0; i < sizeB; ++i) {
        arrayB[i] = result(gen);
    }
    print(arrayA, sizeA);
    print(arrayB, sizeB);
    int(*func[3])(int*, int) = { max, min, avg };
    action(arrayA, arrayB, sizeA, sizeB, func);
    return 0;
}