weeeeeeeeeeeeeeeeeeeeee

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

int array_elements; //ilosc elementow tablicy
int array_half; //gdzie wypada polowa tablicy
float global_array[30];
float first_elem, quotient; //elementy ciagu

///////////////////////////////////////

float random_float_number();
void sel_sort_desc( float array[], int n );
void sel_sort_asc( float array[], int n );
void upper_half( float array[], float first, float second );
void lower_half( float array[] );
void print_array( float array[], int arr_size );

////////////////////////////////////////

float random_float_number()//od -5 do 5
{
    return (-5000+(rand()%10000))*0.001; //dokladnosc do 3 miejsc po przecinku
}


void insertion_sort_asc(float array[], int elements)
{
    int i;
    for(i=1;i<elements;i++)
    {
        int key = array[i];
        int j = i-1;
        while( j>=0 && array[j]>key )
        {
            array[j+1]=array[j];
            j--;
        }
        array[j+1]=key;
    }
}

void insertion_sort_desc(float array[], int elements)
{
    int i;
    for(i=1;i<elements;i++)
    {
        int key = array[i];
        int j = i-1;
        while( j>=0 && array[j]>key )
        {
            array[j+1]=array[j];
            j--;
        }
        array[j+1]=key;
    }
}


//liczenie ciagu geometrycznego
void upper_half( float array[], float first, float quotient )
{
    int start = 0;
    int end = array_half;
    int i;

    float temp[array_half];

    temp[0] = first;

    for(i=1; i<array_half; i++) temp[i]=0.0; //zerowanie tablicy

    for(i=1; i<array_half; i++)
    {
        temp[i] = temp[i-1] * quotient;
    }

    for(i=start; i<end; i++) array[i] = temp[i - start];

}


void lower_half( float array[] )
{
    int start = array_half;
    int end = array_elements;
    int i;
    float temp[array_half];

    for(i=0; i<array_half; i++) temp[i] = random_float_number();

    insertion_sort_desc(temp, array_half);

    for(i=start; i<end; i++) array[i] = temp[i-start];

}

void print_array( float array[], int arr_size )
{
    int i;
    for(i=0; i<arr_size; i++ ) printf( "global_array[%d] = %f\n", i, array[i] );
}


int main()
{
    srand(time(0));

    do{
            puts("Program wypelnia pierwsza polowe tablicy ciagiem geometrycznym rosnacym,");
            puts("a druga liczbami od -5 do 5 posortowanymi rosnaco.");
            puts("Podaj rozmiar tablicy (wiekszy niz 10, mniejszy niz 30): ");
            scanf("%d", &array_elements);

    }while(array_elements<10 || array_elements>30);

    puts("Podaj pierwszy element ciagu:");
    scanf("%f", &first_elem);

    //podaj iloraz ciagu
    puts("Podaj iloraz ciagu:");
    scanf("%f", &quotient);

    array_half = array_elements / 2;

    //ciagi
    upper_half(global_array, first_elem, quotient);
    //losowe
    lower_half(global_array);

    //pokaz
    print_array(global_array, array_elements);

    return 0;
}