C Language Programming Online for Working professional by IT Bodhi

structure & language concepts

Array 1D/2D
Strings
Structure in C
Pointers in C
Parameters passing to function
Iteration in Nested Loops
Dynamic allocation of memory
Iteration & Recursion
Stack
Queue

Linked List
Tree
Introduction to Binary Tree/ BST
Introduction to Hash Tables
Introduction to Graphs

Understanding complexity(time/space) of an algorithm/program
Big O notation
Brute Force Approach
Backtracking/ Recursion

Sorting Techniques:
Selection Sort
Bubble Sort
Insertion Sort
Heap Sort
Quick Sort
Merge Sort
Counting Sort
Radix Sort/ Bucket Sort
Shell Sort
External Sort

Searching Techniques
Selection Algorithms(like find median)
Complexity Classes
BIT Manipulation

Algorithmic Techniques:
Divide & Conquer approach
Branch & Bound
Introduction to Greedy Algorithms
Introduction to Dynamic Programming

Permutation & Combination
Probability
Logical Puzzles

Understanding execution of recursive functions
OOOPs concepts
Improving time & space complexity

How to effectively handle:
Corner Cases
Invalid Inputs
Recursion Termination Conditions
Logical Errors
Test Cases