zadanie 10

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;
int tablica[3][4];
int main(){
    srand(time(NULL));
    float a = 0;
    int amount = 0;
for (int i = 0; i < 3; i++){
    for (int j = 0; j < 3; j++) tablica[i][j] = rand()%100+1;
}
for (int i = 0; i < 3; i++){
    for (int j = 0; j < 4; j++){
        a += tablica[i][j];
        amount++;
    }
}
cout << "suma elementow: " <<a<<" liczba elementow: " <<amount<<" srednia elementow: " << a/12<<endl;
}