Zad4

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

typedef struct argument{
    double n;
    double k;
}arg;

double newton(double n, double k) {
    if(k == 0 || k == n)
        return 1;
    else
        return newton(n-1, k-1) + newton(n-1, k);
}

void* newton_use(void* _arg) {
    arg *input = (arg*) _arg;
    double *output = malloc(sizeof(double));
    *output = newton(input->n,input->k);
    pthread_exit((void*) output);
}

void* czekaj() {
    char czekaj[6]={'c','z','e','k','a','j'};
    for(int i=0; i<6; i++) {
        printf("%c ",czekaj[i]);
        fflush(stdout);
        usleep(300000);
    }
}

int main(int argc, char* argv[]) {
    arg input;
    double *result;
    input.n=atoi(argv[1]);
    input.k=atoi(argv[2]);
    pthread_t newton_thread;
    pthread_t czekaj_thread;
    pthread_create(&newton_thread,NULL,newton_use, &input);
    pthread_create(&czekaj_thread,NULL,czekaj, NULL);
    pthread_join(czekaj_thread, NULL);
    pthread_join(newton_thread, (void**)&result);

    printf("\n Wynik = %f", *result);
    return 0;
}