DOMACIC

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int sumara(int* niz, int lengthh);
void izpiz(int* niz, int lengthh);
double sr(int* niz, int lengthh);
int min(int* niz, int lengthh);
int man(int* niz, int lengthh);
void ucitaj(){
    int i;
    do{
        scanf("%i",&i);
    }while (i < 0 || i > 30);
    int j;
    int niz[i];
    for (j = 0;j < i;++j){
        scanf("%i",&niz[j]);
    }
    int kom;
    do {
        scanf("%i", &kom);
        if (kom == 1){
            int suma = sumara(&niz[0],i);
            printf("SUMA = %i", suma);
        }else if(kom == 2){
            double srvr = sr(&niz[0], i);
            printf("Srednjavrednost = %lf", srvr);
        }else if (kom == 3){
            int minnn = min(&niz[0], i);
            printf("Min = %i", minnn);
        }else if (kom == 4){
            int indeks;
            int maxxx = max(&niz[0], i);
            printf("Max = %i", maxxx);
        }else{
            break;
        }
    }while (kom <= 4 && kom >= 0);
}
int sumara(int* niz, int lengthh){
    int i;
    int suma = 0;
    for (i = 0; i < lengthh; ++i ){
        suma += *(niz + i);
    }
    izpiz(niz, lengthh);
    return suma;
}


void izpiz(int* niz, int lengthh){
    int i;
    for (i = 0; i < lengthh; ++i ){
        printf("%i   ", *(niz + i));
    }
}

double sr(int* niz, int lengthh){
    int suma = sumara(niz, lengthh);
    double srvr = suma/(double)lengthh;
    return srvr;
}

int min(int* niz, int lengthh){
    int min;
    min = *niz;
    int j;
    for (j = 0; j < lengthh; ++j){
        if (*(niz + j) < min){
            min = *(niz + j);
        }
    }
    return min;
}

int max(int* niz, int lengthh){
    int max;
    max = *niz;
    int j;
    for (j = 0; j < lengthh; ++j){
        if (*(niz + j) > max){
            max = *(niz + j);
        }
    }
    return max;
}

int main(){
    ucitaj();
    return 0;
}