Q85 How do you traverse nodes in tree? Write a C program for preorder(), postorder() and inorder() traversal? July 19, 2015 Gyantoday Most Important Interview Questions In C Leave a comment Share this: RelatedHello Friends !!!!!May 27, 2015In "Most Important Interview Questions In C"Q9. Write a C program to swap two variables without using any temporary variable.June 4, 2015In "Most Important Interview Questions In C"Q1. Find the factorial of a given number using recursionMay 27, 2015In "Most Important Interview Questions In C"