TEST MODELATION

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

// N1 Perimetri
void getPerimeter(double a, double b, double c)
{
    printf("%.3f\n", (a+b+c));
}

// N3
int USG(int a, int b)
{
    if (a == b) return a;
    if (a > b) return USG(a - b, b);
    if (b > a) return USG(a, b - a);
}

int main()
{
    // N1
    getPerimeter(1.322, 3.232, 4.23123);

    //N2
    int x;
    double y = 0;
    scanf("%d", &x);
    for (int i = 0; i < 5; i++)
    {
        //printf("%f\n", (pow((double)x, (double)i+1) / (i+1)) * pow(-1.0, (double)i+2));
        y += (pow((double)x, (double)i+1) / (i+1)) * pow(-1.0, (double)i+2);
    }
    printf("%f\n", y);
    printf("\n");

    //N3
    int* A = new int[15];
    for (int i = 0; i < 15; i++)
    {
        A[i] = rand() % 99 + 1;
        printf("%4d", A[i]);
    }
    printf("\n");
    for (int i = 0; i < 14; i++)
    {
        printf("USG(%d, %d) =\t%d\n", A[i], A[i+1], USG(A[i], A[i+1]));
    }
    printf("\n");

    //N4
    int a, b; char c;
    scanf("%d", &a);
    scanf("%d", &b);
    scanf("%c", &c);

    int d;
    switch (c)
    {
        case '&': printf("%d %c %d = %d\n", a, c, b, a&b); d = a&b; break;
        case '|': printf("%d %c %d = %d\n", a, c, b, a|b); d = a|b; break;
        case '^': printf("%d %c %d = %d\n", a, c, b, a^b); d = a^b; break;
        default: printf("ERROR!\n"); break;
    }
    printf("~%d = %d\n", d, ~d);
    printf("%d\n", d<<16);
    printf("%d\n", d>>16);
    system("PAUSE");
    return 0;
}


/*
int avarage(int A[], int size)
{
    int sum = 0;
    for (int i = 0; i < size; i++)
        sum += A[i];
    return (sum / size);
}
*/

/*
for (int i = 1; i <= 5; i++)
{
    printf("%f\n",  (1 / i) * pow(-1.0, (double)i+1));
    y += (1 / i) * pow(-1.0, (double)i+1);
}
*/

/*
    int* A = new int[50];
    for (int i = 0; i < 50; i++)
    {
        A[i] = rand() % 6; // [0:5]
        printf("%5d", A[i]);
        if (i % 10 == 0) printf("\n");
    }
    printf("\nAverage for A = %d\n", avarage(A, 50));
*/