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//Zadanie 1
#include <stdlib.h>
#include <stdio.h>



struct particle
{
    int mass;
    int    speed;
    int momentum
};

typedef struct particle part;

void printParticle(part* p)
{
    printf("mass: %i\n", p->mass);
    printf("speed: %i\n", p->speed);
}


void readParticle(part* p)
{
    printf("Please enter the data for a new particle.\n");
    do {
    printf("mass: ");
    scanf("%i",&p->mass);
    }while(p->mass <= 0);
    printf("speed: ");
    scanf("%i",&p->speed);
}
void momentum(part* p){
    p->momentum = p->mass*p->speed;
}

void printMomentum(part* p){
    printf("momentum: %i\n", p->momentum);
}


int main()
{
    int i;
    int dim = 0;
    do {
        printf("How many particles do you want to have? ");
        scanf("%i",&dim);
    } while(dim <= 0);

    part* p;
    p = (part*) malloc(dim*sizeof(part));

    if (p==NULL) {
        printf("Problem with memory!\n");
        return EXIT_FAILURE;
    }

    for (i=0; i<dim; i++)
    {
        readParticle(&p[i]);
    }

    printf("\n\n");
    /*printf("The following particles\n");

    for (i=0; i<dim; i++)
    {
        printParticle(&p[i]);
    }
*/
    for (i=0; i<dim; i++)
    {
        momentum(&p[i]);
    }
    int n = p[0].momentum;

    for( i = 0; i < dim; i++){

    if ( p[i].momentum < n){

        n = p[i].momentum;

    }

    }
    printf("\nSmallest momentum is %i",n);



    free(p);

    return EXIT_SUCCESS;
}
//Zadanie 2
#include <stdio.h>
#include <stdlib.h>
#include <time.h>


int main()
{
    srand (time(NULL));
    int dim,i;
    do{
    printf("Please, type the dimension of the vector: ");
    scanf("%i",&dim);
    }while(dim < 0);
    int* vec = (int*) malloc(dim*sizeof(int));

    if (vec == NULL)
    {
        printf("ERROR: not enough memory!\n");
        return EXIT_FAILURE;
    }
    for( i = 0; i < dim; i++){
    vec[i] = rand() % 10 + 1;
    }

    for ( i = 0; i < dim; i++){
        printf("vec[%i] = %i\n",i,vec[i]);
    }
    int count = 0;
    for (i = 0; i< dim; i++){

        if(vec[i] > 8){
            count++;
        }
    }
    printf("%i vectors are larger than 8",count);
    free(vec);
    return 0;
}