Problems

Note that you can solve most task in any order!
Already solved ones are at the bottom of the table.

Volume: Popular Algorithms - total 72 (clear filter)

Id	Title	Translations	Author	Solved	Blessing
27	Bubble Sort	ES RU SK		5982	4.82
26	Greatest Common Divisor	RU SK		5839	4.86
104	Triangle Area			3366	5.81
47	Caesar Shift Cipher	SK		3329	5.83
120	Selection Sort			2036	6.69
33	Parity Control	RU		2341	6.45
34	Binary Search			2155	6.59
121	Insertion Sort			1345	7.41
156	Luhn Algorithm	SK		996	7.93
145	Modular Exponentiation			767	8.38
181	Reverse Polish Notation			584	8.85
122	QuickSort			680	8.59
85	Rotation in 2D Space			735	8.46
40	Paths in the Grid	UA		767	8.38
211	Information Entropy			366	9.66
95	Simple Linear Regression			581	8.86
207	Suffix Array			364	9.67
60	Sweet Harvest			625	8.74
143	Extended Euclidean Algorithm			435	9.37
101	Gradient Calculation			476	9.21
82	Levenshtein Distance			488	9.17
64	Maze Pathfinder			473	9.22
79	Cycles Detection			436	9.36
92	Binary Heap			413	9.46
90	Lexicographic Permutations			376	9.62
154	Breadth First Search			294	10.04
78	Bezier Curves			378	9.61
65	Transitive Closure on Candy States			362	9.68
144	Modular Inverse			273	10.17
155	Depth First Search			258	10.27
374	Longest Common Subsequence			34	13.75
161	Topological Sorting			243	10.37
123	Knapsack of Integers			239	10.40
93	Starving Priority Queue			262	10.24
84	Dijkstra in the Network			265	10.22
208	Neighborhood of a String			145	11.27
164	Page Rank			172	10.97
138	Huffman Coding			186	10.84
194	Convex Hull and Farmers			147	11.24
201	Point in Polygon			138	11.35
152	RSA Cryptography			161	11.09
137	Shannon-Fano Coding			169	11.00
202	Dancing Pairs			108	11.77
148	Public Key Cryptography Intro			133	11.42
124	Knapsack Backtracking			142	11.30
106	Random Search Optimization			149	11.22
102	Travelling Salesman			139	11.34
158	Hamming Codes			111	11.73
153	Fermat goes hacking RSA			99	11.92
351	Nicomachus			21	14.55
115	Gradient Descent for SLE			109	11.76
376	Cartesian Tree Visualization			11	15.61
166	Page Rank as Eigenvector			83	12.23
193	Maximum Flow			73	12.45
142	LZ77 decompression			89	12.11
203	Tic-Tac-Toe Minimax Algorithm			68	12.57
219	Neural Network Calculation			61	12.75
216	Cracking Linear Congruential Generator			59	12.81
132	Stream Cipher Breaking			80	12.29
205	Clustering the Stars			56	12.90
230	Move-To-Front Transform			47	13.20
349	Burrows		gardengnome	12	15.47
380	Treap Study			5	16.81
229	Burrows-Wheeler Transform			33	13.80
344	Throwing Easter Eggs Part 2		gardengnome	10	15.76
256	Rook Jump Maze			19	14.72
345	Elliptic Curves Basics			7	16.31
336	Currency Arbitrage			8	16.11
220	Neural Network Training			21	14.55
260	Low Cost Road Network		csfpython	16	15.00
342	Adaptive Arithmetic Coding			5	16.81
302	Sound-Controlled Robot			6	16.54