Problems

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

Volume: Puzzles - total 111 (clear filter)

Id	Title	Translations	Author	Solved	Blessing
24	Neumann's Random Generator	DE ES RU		4916	5.32
59	Bulls and Cows			3079	6.13
22	Two Printers	ES RU		3270	6.03
69	Fibonacci Divisibility			2003	6.88
62	Prime Ranges			1757	7.11
80	Duel Chances			1228	7.73
36	Code Guesser	UA		1293	7.64
54	Pythagorean Triples			1130	7.87
97	Girls and Pigs			925	8.22
51	Dungeons and Dragons Dice	UA		871	8.33
66	Caesar Cipher Cracker			769	8.54
108	Star Medals			629	8.89
71	Fibonacci Divisibility Advanced			599	8.97
476	Prime Vowel Count		csfpython	18	14.97
89	Instrument Tuner			499	9.29
131	Four Pics One Word			403	9.66
472	Unreachable Amounts		csfpython	14	15.38
140	Proper Bracket Sequences			269	10.36
173	Chords of Music			212	10.77
129	Enumerating Combinations			219	10.72
151	Word Ladders			201	10.87
139	Beam Balance and Masses			199	10.88
111	Necklace Count			196	10.91
192	Gangster Battles			145	11.43
110	Lucky Tickets Advanced			184	11.02
179	Look and Say binary			129	11.63
459	Number String Multiples of Thirteen		csfpython	12	15.63
463	Crossing Towns		csfpython	10	15.92
359	Find 3 Numbers		csfpython	48	13.33
157	Emirp primE			120	11.76
372	String Minimization			40	13.64
458	Mountain Panorama		csfpython	10	15.92
100	Crossing the Road			125	11.69
384	Equal Hamming Distance		csfpython	33	13.96
427	Cheapest Bus Tickets			19	14.88
210	Ticket Puzzle			78	12.50
434	A Crime on Logic Island Advanced		csfpython	15	15.27
209	Suffix Array Advanced			78	12.50
113	Ground Zero			101	12.05
274	Two Buckets			55	13.09
381	Finding Squares		csfpython	26	14.36
107	Knight's Tour			92	12.21
175	Algae Robot			73	12.61
259	Easter Bunnies		gardengnome	53	13.16
241	Village Ways			55	13.09
218	Rain Must Fall	DE		57	13.03
204	Wandering Star			58	13.00
421	Princess and Tiger			13	15.50
292	Factorial Trailing Zeroes			38	13.72
149	Prime Chains			65	12.81
423	Russian Dolls		csfpython	12	15.63
255	LCM of a range			44	13.47
307	The Problem of Too Many Clues		zelevin	32	14.01
379	Dice with Infinity Sides		telebashna	19	14.88
451	Maximize Toy Production		csfpython	6	16.71
180	Simple Game of Sticks			53	13.16
439	Power Sum of Digits		csfpython	8	16.27
426	Weighted Sum of Digits 2		csfpython	10	15.92
420	Life on a String		csfpython	11	15.77
247	Towers of Hanoi			40	13.64
347	Unwanted Multiples		csfpython	21	14.72
338	Throwing Easter Eggs		gardengnome	22	14.64
409	Election Fever		csfpython	11	15.77
354	Too Many Divisors		csfpython	19	14.88
405	Three Friendly Knights		csfpython	11	15.77
462	Rota Boards		csfpython	3	17.68
389	Binary Split Guessing Game		csfpython	13	15.50
432	Ball Bearing Collisions		csfpython	7	16.47
346	Long Decimal Fractions		csfpython	18	14.97
340	Zeckendorf Lite		csfpython	18	14.97
339	Parking Lot			18	14.97
217	Personality Swap			33	13.96
287	Palindrome Frog		csfpython	24	14.50
450	Bead Games		csfpython	4	17.29
261	Easter Bunnies 2D		gardengnome	27	14.30
417	Unfortunate Bubble Sort		gardengnome	8	16.27
393	Urban Planning		csfpython	10	15.92
295	Vigenere Cipher Cracker			21	14.72
271	A Knight some Trolls and a Princess		csfpython	23	14.57
398	Collecting Diamonds		csfpython	9	16.09
415	Smallest Message		gardengnome	7	16.47
424	New Towers of Hanoi		csfpython	6	16.71
395	Growth of Micro-Organisms		csfpython	9	16.09
383	E2C2S - try harder!		gardengnome	10	15.92
382	Die Throw Sequences		csfpython	10	15.92
419	Special Digits		csfpython	6	16.71
341	Zeckendorf Advanced		csfpython	13	15.50
402	Game of Stones		csfpython	7	16.47
413	Tree Painting		csfpython	6	16.71
422	Mabinogion Sheep		moxieman	5	16.97
410	Village Door Shuffle		csfpython	6	16.71
222	Easter Eggs Advanced			22	14.64
262	Easter Bunnies 2D Advanced		gardengnome	18	14.97
430	Cutting Paper		csfpython	4	17.29
221	XWords		quandray	21	14.72
266	Pancake Sorting			17	15.07
391	Scout Proficiency Badges		csfpython	7	16.47
263	Easter Bunnies 3D		gardengnome	17	15.07
235	Train Merge Advanced			19	14.88
279	Two Buckets Advanced		csfpython	15	15.27
365	Flower Border Arrangements		csfpython	8	16.27
333	Happy Triplets			10	15.92
237	Road Network Destruction			16	15.17
264	Party Presents		csfpython	13	15.50
327	Dobbin's Long Journey		csfpython	9	16.09
373	Railroad Rat		csfpython	5	16.97
215	Klotski	SK		13	15.50
280	Three Buckets Re-visited		csfpython	9	16.09
226	Multiplicative Persistence Backtrace			11	15.77
232	Shift Register Randomizer			10	15.92
240	Playfair Cipher Cracking			9	16.09