1

User Input / Output

2

Data Types

3

If Else statements

4

Switch Statement

5

What are arrays, strings?

6

For loops

7

While loops

8

Functions (Pass by Reference and Value)

9

Time Complexity [Learn Basics, and then analyse in next Steps]

1

Patterns

1

C++ STL

2

Java Collections

1

Count Digits

2

Reverse a Number

3

Check Palindrome

4

GCD Or HCF

5

Armstrong Numbers

6

Print all Divisors

7

Check for Prime

1

Understand recursion by print something N times

2

Print name N times using recursion

3

Print 1 to N using recursion

4

Print N to 1 using recursion

5

Sum of first N numbers

6

Factorial of N numbers

7

Reverse an array

8

Check if a string is palindrome or not

9

Fibonacci Number

1

Hashing Theory

2

Counting frequencies of array elements

3

Find the highest/lowest frequency element