Round 1: 1. Merge two sorted linked list. Need to compile and test. Round 2: 1. Insert node in a tree. Basic questions like global, static variables. 2. Intersection of two link list. Round 3: 1. Project related questions. Round 4: Basic c questions. Accessing pointer without allocating global variable. Count no of set bit. Round 5: you have 2 files in a directory file1 and file2..file1 is of 100kb and file2 is of 200 kb. you are doing gdb on file1 after opening it..and have read 50kb..now you do move file2 file1..after this in next iteration what will gdb read..50kb more or 150kb. What is memory leak Check if little endian or big endian. 3d Array..how much memory will be allocated.