C++

       variable types.how to declare a variable

       outputing double/floats with precision. 

       input and output functions

       mathematical operators

       logical operators

       loops and their operators

       static arrays

       writing our first functions

       string type and its important functions

       basic algorithms with arrays. Findings the smallest/biggest              element in array.

       local and global variables

       different ways of reading string type

       STL queue

       STL priority queue

       STL vector

       STL deque

       STL map

       STL Stack

       Iterators

       Bitwise operators << and >>

       Bitwise operator & (AND)

       Bitwise operator | (OR)

       Bitwise operator ^ (XOR)