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

void showTable(int *tab, int size){
    int i;
    for(i=0;i<size;i++){
        printf("%d ", tab[i]);
    }
    printf("\n");
}
void fillRandom(int *tab, int size){
    int i;
    for(i=0;i<size;i++){
        tab[i] = rand()%10;
    }
}
//zad1
int* copyTable(int *tab_toCopy, int size){
    int *tab,i;
    tab = (int*)calloc(size,sizeof(int));
    for(i=0;i<size;i++){
        tab[i] = tab_toCopy[i];
    }
    return tab;
}
//zad2
int* copyNonZero(int *tab_toCopy, int size, int *out_counter){
    int *tab,i,j,counter = 0;
    for(i=0;i<size;i++){
        if(tab_toCopy[i] != 0 ){
            counter ++;
        }
    }
    *out_counter = counter;
    tab = (int*)calloc(counter,sizeof(int));
    j=0;
    for(i=0;i<size;i++){
        if(tab_toCopy[i] != 0){
            tab[j] = tab_toCopy[i];
            j++;
        }
    }
    return tab;
}
//zad3
void findMax(int *tab, int size, int *index, int* value){
    int i,_index, _value;
    _index = 0;
    _value = tab[0];
    for(i=1;i<size;i++){
        if(tab[i]>_value){
            _value = tab[i];
            _index = i;
        }
    }
    *index = _index;
    *value = _value;
}
//zad4
void findMin(int *tab, int size, int *index, int* value){
    int i,_index, _value;
    _index = 0;
    _value = tab[0];
    for(i=1;i<size;i++){
        if(tab[i]<_value){
            _value = tab[i];
            _index = i;
        }
    }
    *index = _index;
    *value = _value;
}
//zad5
void findMinMax(int *tab, int size, int *indexMin, int* valueMin,int *indexMax, int* valueMax, int* diff){

    findMax(tab, size, indexMax,valueMax);
    findMin(tab, size, indexMin, valueMin);
    *diff = *valueMax - *valueMin;
}

int **allocate2D(int x, int y){
    int **tab,i;
    tab = (int**)calloc(x,sizeof(int*));
    for(i =0;i<x;i++){
        tab[i] = (int*)calloc(y,sizeof(int));
    }
    return tab;
}
void populate2D(int **tab, int x, int y){
    int i,j;
    for(i=0;i<x;i++){
        for(j=0;j<y;j++){
            scanf("%d", &tab[i][j]);
        }
    }
}
void show2D(int **tab, int x, int y){
    int i,j;
    for(i=0;i<x;i++){
        for(j=0;j<y;j++){
            printf("%d ", tab[i][j]);
        }
        printf("\n");
    }
}
//zad 6 -> sami
//zad7
void change(int *var1, int *var2){
    int temp;
    temp = *var1;
    *var1 = *var2;
    *var2 = temp;
}
//zad 8
void sums(int *tab, int size, int *sum1, int *sum2){
    *sum1 = 0; //dla wartosci
    *sum2 = 0; //dla wartosci bezwzglednych
    int i =0;
    for(i;i<size;i++){
        sum1 += tab[i];

        if(tab[i]<0){
            *sum2 += -1*tab[i];
        }
        else{
            *sum2 += tab[i];
            //sum2 = sum2 + tab[i];
        }
    }
}
// zad 9 -> sami
//zad10
void sums1(int *tab, int size, int *sum1, int *sum2){
    *sum1 = 0; //dla wartosci parzystych
    *sum2 = 0; //dla wartosci nieparzystych
    int i =0;
    for(i;i<size;i++){
        if(tab[i]%2 == 0){
            *sum1 += tab[i];
        }
        if(tab[i]%2 != 0){
            *sum2 += tab[i];
        }
    }
}

int main() {
    srand(time(NULL));
    //zad1
    int *tab, *tab1, *tab2, size = 10;
    tab = (int*)calloc(size,sizeof(int));
    tab1 = copyTable(tab,size);
    tab2 = copyTable(tab,size);
    //zad2
    int *tab3, *tab4, counter=0;
    tab3 = (int*)calloc(size,sizeof(int));
    fillRandom(tab3,size);
    tab4 = copyNonZero(tab3,size,&counter);
    //zad3
    int maxValue, maxIndex;
    findMax(tab3,size,&maxIndex, &maxValue);
}