Oracle Senior Developer interview questions

First got a phone call and they talked about the position and job duties then they started asking me about my back ground and skills then they called for in person interview, they asked me about some basic C programming, Unix Internals, Debugging core file, Compiler Optimization ....

I took the interview for Oracle(siebel group) in Bangalore location. A recruiter from Oracle had directly called me. I had around 3 rounds 1) The interviewer tested my C++ basics and gave me some puzzles. i)Print all leaf nodes of a tree ii)Write a program which behaves differently in C and C++ iii) Overload both pre and post increment operator in C++ 2) The second round was about the projects and application related. He asked about singleton pattern, threads and sockets and mutex/semaphore 3)The last round was manager round He said I was through and offered a very good package (Please see below)