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Algorithm Glossary
Algorithm Glossary
☆
Search or tap a term to see a plain-language explanation.
All
Sorting
Searching
Data Structure
Technique
Bubble Sort
Sorting
O(n²)
+
Binary Search
Searching
O(log n)
+
Recursion
Technique
+
Big O Notation
Technique
+
Hash Table
Data Structure
O(1) avg
+
Linked List
Data Structure
O(n)
+
Stack
Data Structure
O(1)
+
Queue
Data Structure
O(1)
+
Depth-First Search
Searching
O(V + E)
+
Breadth-First Search
Searching
O(V + E)
+
Dynamic Programming
Technique
+
Greedy Algorithm
Technique
+
Array
Data Structure
O(1) access
+
Insertion Sort
Sorting
O(n²)
+
Selection Sort
Sorting
O(n²)
+
Merge Sort
Sorting
O(n log n)
+
Quick Sort
Sorting
O(n log n) avg
+
Linear Search
Searching
O(n)
+
Binary Tree
Data Structure
O(n)
+
Binary Search Tree
Data Structure
O(log n) avg
+
Graph
Data Structure
O(V + E)
+
Heap
Data Structure
O(log n)
+
Priority Queue
Data Structure
O(log n)
+
Trie
Data Structure
O(k)
+
Divide and Conquer
Technique
+
Backtracking
Technique
+
Memoization
Technique
+
Two Pointers
Technique
O(n)
+
Sliding Window
Technique
O(n)
+
Bit Manipulation
Technique
O(1)
+
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A new inspiring quote every day, with more to discover whenever you like.
Quiz Portal
Test your general knowledge with a short multiple-choice quiz and see your score.
Grammar Checker
Catch common English grammar slips like a/an mix-ups and double negatives.
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Typing Practice
Type the sentence shown to measure your speed (WPM) and accuracy.
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Keep a simple list of books you want to read, are reading, or have finished.
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Flip through flashcards to test your recall — shuffle for a fresh order anytime.
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