Here's a topic-wise outline to learn C language:, by Avinash
Structures, Enumeration Union and Typedef
C Structures - GeeksforGeeks
Number of connected components of a graph ( using Disjoint Set
C Basics - GeeksForGeeks Flashcards
SOLUTION: 3 14 set theory operations in relational algebra
Decision Making in C / C++ (if , if..else, Nested if, if-else-if
Union of Two Sorted Arrays - C++ GeeksForGeeks
Union of Two Linked Lists, 27 June POTD, C++
c++ tutorial geeksforgeeks