Codes in the C# language Blockchain add list here Competitive Programing Longest substring without repeating characters Cryptography Vigenere Cipher Data Structures add list here Dynamic Programming add list here Searching Binary Search Linear Search Sorting Bubble Sort Insertion Sort Quick Sort Merge Sort Machine Learning add list here Mathematics Finding no of digits in an integer Tower of Hanoi Armstrong Number Catalan Number Other Unique Number III Prime Factorization using Sieve