necusjz

bool Find(int *matrix, int rows, int columns, int number) {
    bool found = false;
    if(matrix != nullptr && rows > 0 && columns > 0) {
        int row = 0;
        int column = columns-1;
        while(row < rows && column >= 0) {
            if(matrix[row * columns + column] == number) {
                found = true;
                break;
            }