آشنایی و تعریف متد های دلخواه
Aggregate Functions - Group By - Inner Join - Left Outer Join - Cross Join
Default Value - Overloading - Header File - 2D Array - Inline Functions - String Functions - Pointer
Recursive Function - Local Var - Global Var - Call By Value - Call By Reference - Char Array
break - continue - Random - Guid - Stopwatch