eBay Software Engineer III fullstack interview questions

1st round - Had initial call with recruiter 2nd round- 60 min coding round using code signal platform Questions: --> Asked about the recent project and more technical questions about the interview projects --> Coding question / Org: // E1 has E2,E3 as reports // E2 has E4,E5 as reports , E3 has E6 as report // …….. //Find all the reports of E1 who are two levels below. Once coding is done, extended this question by asking for N levels below -->Coding Question // Employee { // long empId; // } // Set set = new HashSet(); // Employee a = new Employee(1); // Employee b = new Employee(1); // set.add(a); // set.add(b); // set.size()?