User: zelevin

Position: #4 (among top 0.0%)
Rank ?: beholder

Tasks solved: 369
of them for certificate: 263

See page at GitHub

Country: United States of America

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Is befriended by 2 users
and made friendship with 1 users

Registered: Jul 2 2020
Last visit: Dec 12 2024 14:28



 
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Authored problems

#TitleSolved
277The Adventure of Morse Code56
289The Case of the Desperate Mastermind14
290Every Leaf on Every Tree22
291Squirrels vs. Acorns52
298Revoltle20
305The Catacombs of Chronos9
307The Problem of Too Many Clues26
311The Mirror Maze10
312The Shredder Conundrum17
314The Sorites Solution13
Solutions list
(view saved unsuccessful solutions)
Note: you can not view solutions of tasks which you have not yet solved yourself!
# Title Language Solution Date
1 Sum "A+B" Python view
 Jul 3 2020
2 Sum in Loop Python view
 Jul 3 2020
3 Sums in Loop Python view
 Jul 3 2020
4 Minimum of Two Python view
 Jul 3 2020
5 Minimum of Three Python view
 Jul 3 2020
6 Rounding Python view
 Jul 3 2020
7 Fahrenheit to Celsius Python view
 Jul 3 2020
8 Arithmetic Progression Python view
 Jul 3 2020
9 Triangles Python view
 Jul 3 2020
10 Linear Function Python view
 Jul 3 2020
11 Sum of digits Python view
 Jul 3 2020
12 Modulo and time difference Python view
 Jul 3 2020
13 Weighted sum of digits Python view
 Jul 3 2020
19 Matching Brackets Python view
 Jul 3 2020
22 Two Printers Python view
 Jul 3 2020
33 Parity Control Python view
 Jul 3 2020
36 Code Guesser Python view
 Jul 3 2020
88 Pitch and Notes Python view
 Jul 3 2020
68 Bicycle Race Python view
 Jul 3 2020
14 Modular Calculator Python view
 Jul 3 2020
15 Maximum of array Python view
 Jul 3 2020
16 Average of an array Python view
 Jul 3 2020
17 Array Checksum Python view
 Jul 3 2020
21 Array Counters Python view
 Jul 3 2020
20 Vowel Count Python view
 Jul 3 2020
40 Paths in the Grid Python view
 Jul 3 2020
76 Pawn Move Validator Python view
 Jul 3 2020
173 Chords of Music Python view
 Jul 3 2020
18 Square Root Python view
 Jul 4 2020
23 Bubble in Array Python view
 Jul 4 2020
24 Neumann's Random Generator Python view
 Jul 4 2020
25 Linear Congruential Generator Python view
 Jul 4 2020
41 Median of Three Python view
 Jul 4 2020
28 Body Mass Index Python view
 Jul 4 2020
30 Reverse String Python view
 Jul 4 2020
43 Dice Rolling Python view
 Jul 4 2020
26 Greatest Common Divisor Python view
 Jul 4 2020
27 Bubble Sort Python view
 Jul 4 2020
29 Sort with Indexes Python view
 Jul 4 2020
31 Rotate String Python view
 Jul 4 2020
32 Josephus Problem Python view
 Jul 4 2020
34 Binary Search Python view
 Jul 4 2020
35 Savings Calculator Python view
 Jul 4 2020
46 Tic-Tac-Toe Python view
 Jul 4 2020
44 Double Dice Roll Python view
 Jul 4 2020
37 Mortgage Calculator Python view
 Jul 4 2020
60 Sweet Harvest Python view
 Jul 4 2020
38 Quadratic Equation Python view
 Jul 4 2020
39 Share Price Volatility Python view
 Jul 5 2020
42 Blackjack Counting Python view
 Jul 5 2020
58 Card Names Python view
 Jul 5 2020
45 Cards Shuffling Python view
 Jul 5 2020
47 Caesar Shift Cipher Python view
 Jul 5 2020
48 Collatz Sequence Python view
 Jul 5 2020
49 Rock Paper Scissors Python view
 Jul 5 2020
50 Palindromes Python view
 Jul 5 2020
51 Dungeons and Dragons Dice Python view
 Jul 5 2020
52 Pythagorean Theorem Python view
 Jul 5 2020
54 Pythagorean Triples Python view
 Jul 5 2020
53 King and Queen Python view
 Jul 5 2020
55 Matching Words Python view
 Jul 5 2020
57 Smoothing the Weather Python view
 Jul 5 2020
59 Bulls and Cows Python view
 Jul 5 2020
61 Prime Numbers Generation Python view
 Jul 5 2020
62 Prime Ranges Python view
 Jul 5 2020
63 Integer Factorization Python view
 Jul 5 2020
65 Transitive Closure on Candy States Python view
 Jul 5 2020
67 Fibonacci Sequence Python view
 Jul 6 2020
81 Bit Count Python view
 Jul 6 2020
104 Triangle Area Python view
 Jul 6 2020
94 Fool's Day 2014 Python view
 Jul 6 2020
128 Combinations Counting Python view
 Jul 6 2020
120 Selection Sort Python view
 Jul 6 2020
69 Fibonacci Divisibility Python view
 Jul 6 2020
72 Funny Words Generator Python view
 Jul 6 2020
70 Most Frequent Word Python view
 Jul 6 2020
71 Fibonacci Divisibility Advanced Python view
 Jul 6 2020
73 Hexagonal Grid Python view
 Jul 6 2020
74 Clock Hands Python view
 Jul 6 2020
75 Yacht or Dice Poker Python view
 Jul 6 2020
80 Duel Chances Python view
 Jul 6 2020
89 Instrument Tuner Python view
 Jul 6 2020
79 Cycles Detection Python view
 Jul 6 2020
56 Life is Simple Python view
 Jul 6 2020
64 Maze Pathfinder Python view
 Jul 7 2020
66 Caesar Cipher Cracker Python view
 Jul 7 2020
85 Rotation in 2D Space Python view
 Jul 7 2020
87 Tree Builder Python view
 Jul 7 2020
90 Lexicographic Permutations Python view
 Jul 7 2020
91 Game of 2048 Python view
 Jul 7 2020
171 Tree Height Measurement Python view
 Jul 8 2020
121 Insertion Sort Python view
 Jul 8 2020
127 Anagrams Python view
 Jul 8 2020
134 Flying Text Screensaver Python view
 Jul 8 2020
156 Luhn Algorithm Python view
 Jul 8 2020
172 Cloud Altitude Measurement Python view
 Jul 8 2020
105 Convex Polygon Area Python view
 Jul 8 2020
97 Girls and Pigs Python view
 Jul 8 2020
98 Azimuth at Treasure Island Python view
 Jul 8 2020
95 Simple Linear Regression Python view
 Jul 8 2020
96 Snake Arcade Python view
 Jul 8 2020
135 Variable Length Code Python view
 Jul 8 2020
136 Variable Length Code Unpack Python view
 Jul 8 2020
145 Modular Exponentiation Python view
 Jul 8 2020
187 Static Web Page Other view
 Jul 8 2020
188 Basics of HTML Other view
 Jul 8 2020
108 Star Medals Python view
 Jul 8 2020
181 Reverse Polish Notation Python view
 Jul 8 2020
131 Four Pics One Word Python view
 Jul 9 2020
176 Say 100 Python view
 Jul 9 2020
207 Suffix Array Python view
 Jul 9 2020
211 Information Entropy Python view
 Jul 9 2020
191 Spaceship Weight Fraud Python view
 Jul 9 2020
170 Binary Search in Array Python view
 Jul 9 2020
103 Easter Eggs Python view
 Jul 9 2020
154 Breadth First Search Python view
 Jul 9 2020
155 Depth First Search Python view
 Jul 9 2020
206 Base-32 Encoding Python view
 Jul 9 2020
109 Lucky Tickets Python view
 Jul 10 2020
114 Tricky Printing Brainfuck view
 Jul 10 2020
116 Summing Up Brainfuck view
 Jul 10 2020
161 Topological Sorting Python view
 Jul 10 2020
130 Combinations with Repetitions Python view
 Jul 10 2020
140 Proper Bracket Sequences Python view
 Jul 10 2020
122 QuickSort Python view
 Feb 20 2021
77 Point to Segment Distance Python view
 Feb 20 2021
86 Brainfuck Interpreter Python view
 Feb 21 2021
82 Levenshtein Distance Python view
 Feb 21 2021
101 Gradient Calculation Python view
 Feb 21 2021
221 XWords Python view
 Feb 21 2021
218 Rain Must Fall Python view
 Feb 21 2021
217 Personality Swap Python view
 Feb 21 2021
214 Sick Travellers Python view
 Feb 23 2021
141 Sliding Window Search Python view
 Feb 23 2021
142 LZ77 decompression Python view
 Feb 23 2021
208 Neighborhood of a String Python view
 Feb 23 2021
202 Dancing Pairs Python view
 Feb 23 2021
182 Frodo and Black Riders Python view
 Feb 23 2021
201 Point in Polygon Python view
 Feb 23 2021
164 Page Rank Python view
 Feb 23 2021
146 Color Cubes Python view
 Feb 23 2021
143 Extended Euclidean Algorithm Python view
 Feb 24 2021
144 Modular Inverse Python view
 Feb 24 2021
150 Introducing Regexps RegExp view
 Feb 24 2021
159 Hard Life Python view
 Feb 24 2021
151 Word Ladders Python view
 Feb 24 2021
192 Gangster Battles Python view
 Feb 24 2021
99 Uphill Shooting Python view
 Feb 24 2021
83 Graph Generator Python view
 Feb 24 2021
129 Enumerating Combinations Python view
 Feb 25 2021
184 Matches Picking Python view
 Feb 25 2021
179 Look and Say binary Python view
 Feb 25 2021
78 Bezier Curves Python view
 Feb 25 2021
93 Starving Priority Queue Python view
 Feb 25 2021
219 Neural Network Calculation Python view
 Feb 25 2021
92 Binary Heap Python view
 Feb 25 2021
216 Cracking Linear Congruential Generator Python view
 Feb 25 2021
215 Klotski Python view
 Feb 25 2021
194 Convex Hull and Farmers Python view
 Feb 26 2021
157 Emirp primE Python view
 Feb 27 2021
147 Color Cubes Advanced Python view
 Feb 28 2021
100 Crossing the Road Python view
 Mar 2 2021
118 Maxit Single-Player Python view
 Mar 3 2021
205 Clustering the Stars Python view
 Mar 3 2021
111 Necklace Count Python view
 Mar 3 2021
102 Travelling Salesman Python view
 Mar 4 2021
223 Introducing Scheme Scheme view
 Mar 4 2021
112 Travelling Salesman Inverted Python view
 Mar 4 2021
110 Lucky Tickets Advanced Python view
 Mar 4 2021
137 Shannon-Fano Coding Python view
 Mar 4 2021
138 Huffman Coding Python view
 Mar 5 2021
139 Beam Balance and Masses Python view
 Mar 5 2021
162 Rubik's Cube Python view
 Mar 5 2021
158 Hamming Codes Python view
 Mar 5 2021
174 Calculation of Pi Python view
 Mar 5 2021
177 Nim Game Python view
 Mar 5 2021
180 Simple Game of Sticks Python view
 Mar 6 2021
185 Simple 3D Scene Python view
 Mar 10 2021
186 Simple 3D Scene (cont) Python view
 Mar 10 2021
203 Tic-Tac-Toe Minimax Algorithm Python view
 Mar 17 2021
226 Multiplicative Persistence Backtrace Python view
 Mar 17 2021
175 Algae Robot Python view
 Mar 19 2021
178 Maze of the Wumpus Python view
 Mar 22 2021
204 Wandering Star Python view
 Mar 22 2021
183 Connect Four Python view
 Mar 25 2021
160 Social Web Scraper Python view
 Mar 25 2021
238 Bear Hunt Python view
 Oct 5 2021
233 Language Study Python view
 Oct 5 2021
234 Train Merge Python view
 Oct 5 2021
235 Train Merge Advanced Python view
 Oct 6 2021
239 Foxes and Geese Python view
 Oct 13 2021
237 Road Network Destruction Python view
 Oct 15 2021
241 Village Ways Python view
 Nov 15 2021
243 Grille Encryption Python view
 Nov 29 2021
244 Introducing SQL SQL view
 Dec 6 2021
245 Aggregations in SQL SQL view
 Dec 6 2021
256 Rook Jump Maze Python view
 Jan 9 2022
253 Beautiful Line Chart Python view
 Jan 10 2022
255 LCM of a range Python view
 Jan 10 2022
249 Turing Increment Turing Machine view
 Jan 10 2022
250 Turing Clone Turing Machine view
 Jan 11 2022
251 Radio Spies Python view
 Jan 11 2022
257 Missing Records in SQL SQL view
 Jan 13 2022
247 Towers of Hanoi Python view
 Jan 13 2022
258 Text Justification Python view
 Jan 20 2022
246 Joins in SQL SQL view
 Jan 24 2022
259 Easter Bunnies Python view
 Jan 29 2022
260 Low Cost Road Network Python view
 Jan 30 2022
261 Easter Bunnies 2D Python view
 Jan 30 2022
262 Easter Bunnies 2D Advanced Python view
 Jan 30 2022
263 Easter Bunnies 3D Python view
 Feb 2 2022
264 Party Presents Python view
 Feb 10 2022
265 Update in SQL SQL view
 Feb 17 2022
236 Is the Earth Flat Python view
 Feb 18 2022
266 Pancake Sorting Python view
 Feb 27 2022
268 Logic Transformation Python view
 Mar 13 2022
269 Fibonacci coding Python view
 Mar 16 2022
270 Hexlife Python view
 Mar 18 2022
271 A Knight some Trolls and a Princess Python view
 Mar 20 2022
272 Hexplore Python view
 Mar 29 2022
273 Logic Glitches Python view
 Apr 2 2022
274 Two Buckets Python view
 Apr 15 2022
275 Three Buckets Python view
 Apr 15 2022
276 Lucky Pairs Python view
 Apr 21 2022
277 The Adventure of Morse Code Python view
 Apr 29 2022
278 Polyomino Generation Python view
 May 7 2022
280 Three Buckets Re-visited Python view
 May 9 2022
279 Two Buckets Advanced Python view
 May 10 2022
229 Burrows-Wheeler Transform Python view
 May 12 2022
230 Move-To-Front Transform Python view
 May 12 2022
281 Basic Tokenizer Python view
 May 12 2022
210 Ticket Puzzle Python view
 May 14 2022
193 Maximum Flow Python view
 May 14 2022
282 Predictable Board Game Python view
 May 25 2022
283 Predictable Board Game on 10 Boards Python view
 May 26 2022
284 Rotate Array In-Place BASIC view
 Jun 1 2022
285 Rotate Matrix In Place BASIC view
 Jun 2 2022
286 Self-Printing Program BASIC view
 Jun 2 2022
287 Palindrome Frog Python view
 Jun 16 2022
288 Langton's Ant Python view
 Jul 9 2022
123 Knapsack of Integers Python view
 Jul 12 2022
124 Knapsack Backtracking Python view
 Jul 12 2022
133 Billiard Ball Python view
 Jul 12 2022
125 Bogosort Python view
 Jul 13 2022
107 Knight's Tour Python view
 Jul 13 2022
149 Prime Chains Python view
 Jul 15 2022
148 Public Key Cryptography Intro Python view
 Jul 17 2022
152 RSA Cryptography Python view
 Jul 17 2022
153 Fermat goes hacking RSA Python view
 Jul 17 2022
132 Stream Cipher Breaking Python view
 Jul 18 2022
166 Page Rank as Eigenvector Python view
 Jul 19 2022
113 Ground Zero Python view
 Jul 20 2022
106 Random Search Optimization Python view
 Jul 22 2022
115 Gradient Descent for SLE Python view
 Jul 27 2022
189 Dynamic Web Page PHP view
 Jul 27 2022
190 Query String Parameters PHP view
 Jul 28 2022
222 Easter Eggs Advanced Python view
 Jul 28 2022
289 The Case of the Desperate Mastermind Python view
 Jul 28 2022
290 Every Leaf on Every Tree Python view
 Aug 6 2022
292 Factorial Trailing Zeroes Python view
 Aug 10 2022
293 Sums of Triplets Python view
 Aug 10 2022
84 Dijkstra in the Network Python view
 Aug 10 2022
294 Vigenere Cipher Python view
 Aug 11 2022
296 Tree Value Python view
 Aug 12 2022
297 Collatz in the Range Python view
 Aug 15 2022
291 Squirrels vs. Acorns Python view
 Aug 15 2022
295 Vigenere Cipher Cracker Python view
 Aug 18 2022
299 Tree Visualizer Python view
 Aug 20 2022
300 Run-Length Encoding Python view
 Aug 20 2022
301 Skyscraper Price Python view
 Aug 21 2022
303 Towers Under Cover Python view
 Aug 23 2022
304 Ordered Brackets Python view
 Aug 25 2022
298 Revoltle Python view
 Aug 25 2022
302 Sound-Controlled Robot Python view
 Aug 27 2022
306 Line Drawing Algorithm BASIC view
 Sep 5 2022
305 The Catacombs of Chronos Python view
 Sep 6 2022
308 Circle Drawing Algorithm BASIC view
 Sep 8 2022
309 Board Game Sequences Python view
 Sep 22 2022
310 Board Game Sequences Advanced Python view
 Sep 22 2022
307 The Problem of Too Many Clues Python view
 Sep 22 2022
165 Safe Landing Python view
 Sep 28 2022
311 The Mirror Maze Python view
 Oct 1 2022
254 Rule 30 by Turing Turing Machine view
 Oct 5 2022
267 Turing Maze Turing Machine view
 Oct 5 2022
252 Shadok and Gibis Python view
 Oct 5 2022
313 Seven Segment Decoder Other view
 Oct 8 2022
312 The Shredder Conundrum Python view
 Oct 8 2022
315 Count the Common Factors Python view
 Oct 22 2022
314 The Sorites Solution Python view
 Oct 22 2022
319 Tower of Hanoi Rules Python view
 Nov 12 2022
320 Accordion Python view
 Nov 20 2022
321 Hanoi Tower Heights Python view
 Dec 6 2022
322 Gray Decoder Other view
 Dec 10 2022
323 Next Palindrome Python view
 Dec 23 2022
324 Merge Sort Python view
 Dec 26 2022
327 Dobbin's Long Journey Python view
 Jan 10 2023
328 Beep Beep Beep BASIC view
 Jan 16 2023
329 Roman Arithmetic Python view
 Feb 4 2023
330 Easter Bunnies Are Back Python view
 Feb 19 2023
331 Rotating Toy Display Python view
 Feb 19 2023
332 Easter Bunnies 2D Are Back Python view
 Feb 22 2023
334 Find all of the SETs Python view
 Mar 7 2023
333 Happy Triplets Python view
 Mar 7 2023
335 Venus Visible Python view
 Mar 14 2023
336 Currency Arbitrage Python view
 Mar 22 2023
337 Introducing Zeckendorf Python view
 Mar 31 2023
338 Throwing Easter Eggs Python view
 Apr 1 2023
339 Parking Lot Python view
 Apr 2 2023
340 Zeckendorf Lite Python view
 Apr 16 2023
341 Zeckendorf Advanced Python view
 Apr 29 2023
343 Village of Ticks Python view
 Apr 30 2023
344 Throwing Easter Eggs Part 2 Python view
 May 1 2023
346 Long Decimal Fractions Python view
 May 13 2023
347 Unwanted Multiples Python view
 May 30 2023
349 Burrows Python view
 Jun 2 2023
350 Colourful Egg Sequences Python view
 Jun 8 2023
351 Nicomachus Python view
 Jun 9 2023
354 Too Many Divisors Python view
 Jun 15 2023
357 Ulam's Prime Spiral Python view
 Jun 27 2023
359 Find 3 Numbers Python view
 Jul 4 2023
360 Whisky Blending Python view
 Jul 18 2023
361 Rogue Mazes Python view
 Jul 26 2023
362 Euclid, Manhattan and Chebyshev Python view
 Jul 27 2023
364 Arthur Engel's Randomizer Python view
 Aug 5 2023
366 Image Cutting Python view
 Aug 13 2023
368 Number Base Palindrome Python view
 Aug 25 2023
371 Pages to Print Python view
 Sep 21 2023
372 String Minimization Python view
 Sep 22 2023
374 Longest Common Subsequence Python view
 Sep 27 2023
376 Cartesian Tree Visualization Python view
 Oct 6 2023
381 Finding Squares Python view
 Oct 27 2023
384 Equal Hamming Distance Python view
 Nov 8 2023
385 Number of steps in Euclidean Algorithm Python view
 Nov 12 2023
386 Advent Calendar Chocolate Python view
 Nov 20 2023
388 Fibonacci Guessing Game Python view
 Dec 12 2023
390 Card Pairing Solitaire Python view
 Dec 23 2023
392 Fixing an Anagram Python view
 Jan 7 2024
393 Urban Planning Python view
 Jan 19 2024
394 Many Shortest Routes Python view
 Feb 1 2024
395 Growth of Micro-Organisms Python view
 Feb 17 2024
398 Collecting Diamonds Python view
 Mar 5 2024
400 Memory Check Python view
 Mar 10 2024
399 Methane Identification Python view
 Mar 16 2024
403 Hi-Lo dice game Python view
 Mar 28 2024
402 Game of Stones Python view
 Mar 29 2024
389 Binary Split Guessing Game Python view
 Mar 29 2024
405 Three Friendly Knights Python view
 Apr 10 2024
406 Wormholes of Cygnus Python view
 Apr 17 2024
407 River Labyrinth Python view
 Apr 23 2024
401 Methane Rotation Python view
 Apr 24 2024
409 Election Fever Python view
 May 9 2024
408 Mad Beaver in River Labyrinth Python view
 May 16 2024
377 Sum of Digits Divisibility Python view
 May 16 2024
410 Village Door Shuffle Python view
 May 19 2024
413 Tree Painting Python view
 Jun 5 2024
412 Json Fix Python view
 Jun 9 2024
414 MIDI Variable Length Numbers Python view
 Jun 11 2024
418 Expected Number of Random Moves Python view
 Jul 1 2024
420 Life on a String Python view
 Jul 9 2024
423 Russian Dolls Python view
 Jul 24 2024
425 Explosive Breeding Python view
 Aug 13 2024
427 Cheapest Bus Tickets Python view
 Aug 29 2024
428 Broken Keyboard Python view
 Aug 29 2024
429 Moving Average in Time Python view
 Sep 5 2024
433 A Crime on Logic Island Python view
 Oct 11 2024
434 A Crime on Logic Island Advanced Python view
 Oct 12 2024
436 Avoid the Grid Points Python view
 Oct 28 2024
437 Elections and Happiness Python view
 Nov 7 2024
442 Chomp Python view
 Dec 8 2024

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