please, help, why doesn't it work?
P S srednia mean average

Code:
#include <math.h>
#include <stdio.h>


#define N 10




double srednia(int [], int);


int main() {
    int tablica[N] = {23, 41, 432, 543, 41, 1543, 76, 21, 54, 12};
    int wynik = 0;
    int i;
    double sr = srednia(tablica, N);


    printf("%f", sr/N);


    return 0;
}


double srednia(int t[], int n){
    int i;
    int wynik;
    


    for(i = 0; i < n; i++){
         wynik += t[i];
    }


    return wynik/n;
}