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

using namespace std;

int main()
{
    const int rows = 10;
    const int cols = 10;

    int tab[rows][cols];

    srand(time(0));

    for (int i = 0; i < rows; ++i)
    {
        for (int j = 0; j < cols; ++j)
        {
            int sign = (rand() % 2 == 0) ? 1 : -1;
            int number = (rand() % 90) + 10;
            tab[i][j] = number * sign;
        }
    }

    for (int i = 0; i < rows; ++i)
    {
        for (int j = 0; j < cols; ++j)
        {
            cout << tab[i][j] << "\t";
        }
        cout << endl;
    }

    std::cout << "\n\n";

    return 0;
}