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

int sum(int * ,int ); // <-function protoype // parameters go inbetween () information to help the program run.
float average(int,int);// float-return type //
int main()
{
        int highest(int *,int);
        int lowest(int *,int);
        int num=4;
        int scores[num];
        int i,total=0;
        int high,low;
        float avg;
        for(i=0;i<num;i++)
        {
                printf("Enter score%d: ",i);
                scanf("%d",&scores[i]);
        }
        total=sum(scores,num); // adds the scores of the numbers together and sets it equal to total
        avg=average(total,num); // takes the sum of the numbers which is equal to sum now and divides it by the number
        high=highest(scores,num);
        low=lowest(scores,num);
        printf("The total is: %d\n",total);
        printf("The average is: %f\n",avg);
        printf("The highest is: %d\n",high);
        printf("The lowest is: %d\n",low);
        return(0);
}

int sum(int *arr,int n)
{
        int i,num=0;
        for(i=0; i<n; i++)
        {
                num=num+arr[i];
        }
        return(num);
}