Vezba 1 // Zadatak 3

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

int main()
{
    int xu,yu,k,a,b,i=1,broj,cif,broj1;
    float s;
    printf("Unesite k (k>2): ");
    xu=wherex();
    yu=wherey();
    do{
        gotoxy(xu,yu);
        printf("       ");
        gotoxy(xu,yu);
        scanf("%d",&k);
    }while(k<=2);
    do{
        if(i==1)a=1,b=0;
        else{
            a=a+b;
            b=a-b;
        }
        i++;
    }while(i<=k);
    i=1;
    do{
    printf("\nUnesite broj %d: ",i);
    broj=0;
    do{
    do{
    cif=getch();
    }while(((cif<'0'||cif>'9')||(broj==0&&cif=='0'))&&cif!=13);
    if(cif!=13){
    broj=broj*10+cif-48;
    printf("%c",cif);
    }
    }while(cif!=13);
    s+=broj;
    i++;
    }while(broj!=a);
    printf("\n\nSrednja vrednost unetih brojeva: %g\n",s/(i-1));
    getch();

    return 0;
}