lagutina-14

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;

int fmin(int[], int);
int fmax(int[], int);
int fsum(int[], int);

int main() {
    setlocale(0, "");
    srand(time(0));

    int P[20];

    cout << "Массив P: ";
    for (int i = 0; i < 20; i++) {
        P[i] = rand() % 50 - 10;
        cout << P[i] << " ";
    }
    cout << endl;

    int min = fmin(P, 20);
    int max = fmax(P, 20);
    int Sp = fsum(P, 20);
    double S = ((double)max - (double)min) / (double)Sp;

    cout << endl << "min = " << min << endl << "max = " << max << endl << "Sp = " << Sp << endl;

    cout << endl << "S = (max - min) / Sp = " << S << endl;

    system("pause");
}

int fmin(int arr[], int size) {
    int min = 0;
    for (int i = 0; i < size; i++) {
        if (min > arr[i]) {
            min = arr[i];
        }
    }

    return min;
}

int fmax(int arr[], int size) {
    int max = 0;
    for (int i = 0; i < size; i++) {
        if (max < arr[i]) {
            max = arr[i];
        }
    }

    return max;
}

int fsum(int arr[], int size) {
    int sum = 0;
    for (int i = 0; i < size; i++) {
        if (arr[i] > 0) {
            sum += arr[i];
        }
    }

    return sum;
}