14

#include <iostream>

const int n = 10;


int main() {
int arr[n][n];
double average[n];



for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
        arr[i][j] = rand()%10 - 8;
        std::cout << arr[i][j] << "\t";
    }
    std::cout << std::endl;
}

int sum = 0;

for (int i = 0; i < n; i++) {
    if (arr[i][i] > 0) {
        for (int j = 0; j < n; j++) {
            sum += arr[j][i];
        }
    average[i] = sum / n;
    sum = 0;
    }
    else { average[i] = 0; }
    std::cout << average[i] << "\t";
}

return 0;

}