Problems

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

Volume: Algorithms - total 72 (clear filter)

Id	Title	Translations	Author	Solved	Blessing
27	Bubble Sort	ES RU SK		6175	4.84
26	Greatest Common Divisor	ES SK RU		6017	4.89
104	Triangle Area	ES		3488	5.84
47	Caesar Shift Cipher	SK		3437	5.86
120	Selection Sort			2117	6.70
33	Parity Control	RU		2444	6.45
34	Binary Search			2252	6.59
121	Insertion Sort			1408	7.41
156	Luhn Algorithm	SK		1041	7.93
145	Modular Exponentiation			810	8.37
181	Reverse Polish Notation			622	8.83
122	QuickSort			708	8.60
85	Rotation in 2D Space			774	8.45
40	Paths in the Grid	UA		823	8.34
95	Simple Linear Regression			605	8.88
60	Sweet Harvest			656	8.74
211	Information Entropy			387	9.65
207	Suffix Array			378	9.69
143	Extended Euclidean Algorithm			447	9.40
101	Gradient Calculation			501	9.20
82	Levenshtein Distance			508	9.18
64	Maze Pathfinder			496	9.22
79	Cycles Detection			458	9.36
92	Binary Heap			429	9.47
90	Lexicographic Permutations			388	9.65
78	Bezier Curves			393	9.62
154	Breadth First Search			308	10.05
65	Transitive Closure on Candy States			381	9.68
144	Modular Inverse			280	10.21
155	Depth First Search			268	10.29
161	Topological Sorting			260	10.34
123	Knapsack of Integers			252	10.39
93	Starving Priority Queue			274	10.25
84	Dijkstra in the Network			277	10.23
164	Page Rank			180	10.98
208	Neighborhood of a String			153	11.26
138	Huffman Coding			191	10.87
194	Convex Hull and Farmers			153	11.26
201	Point in Polygon			148	11.31
137	Shannon-Fano Coding			177	11.00
152	RSA Cryptography			166	11.12
374	Longest Common Subsequence			39	13.60
148	Public Key Cryptography Intro			140	11.41
124	Knapsack Backtracking			149	11.30
106	Random Search Optimization			155	11.23
202	Dancing Pairs			112	11.79
102	Travelling Salesman			145	11.35
158	Hamming Codes			117	11.72
153	Fermat goes hacking RSA			101	11.97
115	Gradient Descent for SLE			111	11.81
193	Maximum Flow			80	12.37
166	Page Rank as Eigenvector			88	12.21
142	LZ77 decompression			93	12.11
203	Tic-Tac-Toe Minimax Algorithm			71	12.58
219	Neural Network Calculation			65	12.73
216	Cracking Linear Congruential Generator			63	12.78
351	Nicomachus			27	14.22
132	Stream Cipher Breaking			82	12.33
230	Move-To-Front Transform			53	13.08
205	Clustering the Stars			58	12.92
376	Cartesian Tree Visualization			15	15.19
229	Burrows-Wheeler Transform			36	13.73
349	Burrows		gardengnome	14	15.30
256	Rook Jump Maze			26	14.28
344	Throwing Easter Eggs Part 2		gardengnome	11	15.69
220	Neural Network Training			22	14.56
260	Low Cost Road Network		csfpython	18	14.89
336	Currency Arbitrage			10	15.84
380	Treap Study			6	16.63
345	Elliptic Curves Basics			7	16.39
342	Adaptive Arithmetic Coding			6	16.63
302	Sound-Controlled Robot			6	16.63