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



// Prototypes of Functions
int summate(int a[], int size);
int maxd(int a[], int size);
int aates(int a[],int size);
float standartsapma(int toplam, int size, int a[]);
float sonuc(int a, int b, int c, float d);

int main()
{

int size;

printf("--- Enter the size of array --- \n");
scanf("%d",&size);

int x[size];


printf("--- Enter the array values --- \n");
for(int i=0;i<size;i++)
{
    printf("Element - %d: ",i);
    scanf("%d",&x[i]);
}

int sum;
int maxelement;
int aatess;
float ssapma;
float sonucc;

sum=summate(x,size);
maxelement = maxd(x,size);
aatess =aates(x,size);
ssapma = standartsapma(sum,size,x);
sonucc = sonuc(sum,maxelement,aatess,ssapma);

printf("Sum values is %d \n", sum);
printf("Max value is %d \n",maxelement);
printf("Art arda tekrar eden sayi %d \n", aatess);
printf("Standart sapma sudur %f \n", ssapma);
printf("Istenen sonuc sudur %f",sonucc);




return 0;
}

// Roots of Functions
int summate(int a[], int size)
{
    int toplam = 0;

    for(int i=0;i<size;i++)
    {
     toplam = toplam + a[i];
    }

    return toplam;
}

int maxd(int a[],int size)
{
    int maxe = a[0];

    for(int i=0;i<size;i++)
    {
        if(a[i]>maxe)
            {
                maxe = a[i];
            }
    }

    return maxe;
}

int aates(int a[],int size)
{
    int tekrarlisayi;
    for(int i=0;i<size;i++)
    {
        if(a[i+1]==a[i])
        {
            tekrarlisayi=a[i];
        }
    }

    return tekrarlisayi;
}

float standartsapma(int toplam, int size,int a[])
{
    float ortalama = 0;
    float donduren = 0;


    ortalama = (float)toplam / (float)size;

    int toplatici = 0;

    for(int i=0;i<size;i++)
    {
       toplatici = toplatici + ( (a[i] - ortalama) * (a[i]-ortalama) );
    }

    donduren = (float) toplatici / (float)size ;

    donduren = sqrt(donduren);

    return donduren;
}

float sonuc(int a,int b, int c, float d)
{
    //sonuc(sum,maxelement,aatess,ssapma);

    float x;

    x = (float) a / ((float)b+(float)c+d);

    return x;
}