Problems

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

Tagged with: c-0 - total 239 (clear filter)

Id	Title	Translations	Author	Solved	Blessing
1	Sum "A+B"	DE ES FR AR ZH RO RU SK		55072	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		33717	1.85
3	Sums in Loop	DE ES FR AR ZH RO RU SK		25709	2.32
4	Minimum of Two	DE ES FR AR ZH RO RU SK		22392	2.56
5	Minimum of Three	DE ES FR AR ZH RO RU SK		20064	2.75
15	Maximum of array	DE ES AR ZH RO RU SK		17533	2.99
6	Rounding	DE ES AR ZH RO RU SK		16176	3.13
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		15480	3.20
20	Vowel Count	DE ES AR ZH RO RU SK		12553	3.57
11	Sum of digits	DE ES RU ZH SK		12453	3.58
8	Arithmetic Progression	DE ES RU ZH SK		11646	3.70
41	Median of Three	DE ES AR ZH RO RU SK		10705	3.85
9	Triangles	DE ES RU ZH SK		11061	3.79
28	Body Mass Index	DE ES ZH RU SK		10568	3.87
13	Weighted sum of digits	DE ES RU ZH SK		10076	3.95
43	Dice Rolling	DE ES ZH RU SK		9085	4.13
16	Average of an array	DE ES RU SK		9526	4.05
30	Reverse String	DE ES RU SK		8973	4.15
17	Array Checksum	DE ES RU SK		8826	4.18
21	Array Counters	DE ES RU SK		8232	4.30
10	Linear Function	DE ES RU SK		7950	4.36
48	Collatz Sequence	DE ES RU SK		7179	4.54
12	Modulo and time difference	DE ES RU SK		7305	4.51
14	Modular Calculator	ES SK		6749	4.65
27	Bubble Sort	ES RU SK		6094	4.82
26	Greatest Common Divisor	ES SK RU		5942	4.87
18	Square Root	ES RU		5713	4.94
29	Sort with Indexes	RU		5501	5.00
50	Palindromes	DE ES RU SK		5044	5.15
23	Bubble in Array	ES RU		5276	5.07
52	Pythagorean Theorem	RU		4838	5.22
31	Rotate String	ES RU		5035	5.16
67	Fibonacci Sequence	RU		4365	5.40
68	Bicycle Race	ES RU		4337	5.41
57	Smoothing the Weather	ES RU		4368	5.40
24	Neumann's Random Generator	DE ES RU		4714	5.27
104	Triangle Area	ES		3432	5.82
35	Savings Calculator			4134	5.50
25	Linear Congruential Generator	RU		4087	5.52
44	Double Dice Roll	RU		3882	5.61
32	Josephus Problem	RU		3981	5.56
81	Bit Count	RU		3480	5.80
19	Matching Brackets	ES RU		3720	5.68
128	Combinations Counting			2723	6.22
58	Card Names			3308	5.88
47	Caesar Shift Cipher	SK		3391	5.84
49	Rock Paper Scissors			3341	5.87
55	Matching Words			3237	5.92
94	Fool's Day 2014	SK		2820	6.16
59	Bulls and Cows			2927	6.10
61	Prime Numbers Generation	RU		2881	6.12
22	Two Printers	ES RU		3094	6.00
42	Blackjack Counting			2659	6.26
120	Selection Sort			2078	6.69
38	Quadratic Equation			2444	6.41
33	Parity Control	RU		2407	6.44
53	King and Queen			2146	6.64
171	Tree Height Measurement			1485	7.28
34	Binary Search			2212	6.58
37	Mortgage Calculator	ZH		2078	6.69
45	Cards Shuffling	ZH		2024	6.74
69	Fibonacci Divisibility			1893	6.85
63	Integer Factorization	ZH		1817	6.93
46	Tic-Tac-Toe	ZH		1870	6.88
72	Funny Words Generator			1622	7.12
62	Prime Ranges			1659	7.08
121	Insertion Sort			1377	7.41
75	Yacht or Dice Poker			1539	7.21
172	Cloud Altitude Measurement			1116	7.77
127	Anagrams			1292	7.52
134	Flying Text Screensaver			1196	7.65
39	Share Price Volatility			1551	7.20
156	Luhn Algorithm	SK		1017	7.93
114	Tricky Printing			1138	7.74
80	Duel Chances			1157	7.71
135	Variable Length Code			916	8.11
36	Code Guesser	UA		1208	7.63
74	Clock Hands			1092	7.81
105	Convex Polygon Area			940	8.07
54	Pythagorean Triples			1062	7.86
145	Modular Exponentiation			785	8.38
73	Hexagonal Grid			962	8.03
116	Summing Up			828	8.29
97	Girls and Pigs			858	8.23
187	Static Web Page			595	8.86
181	Reverse Polish Notation			605	8.83
188	Basics of HTML			569	8.94
122	QuickSort			696	8.59
98	Azimuth at Treasure Island			748	8.47
85	Rotation in 2D Space			753	8.45
51	Dungeons and Dragons Dice	UA		816	8.31
56	Life is Simple			787	8.38
40	Paths in the Grid	UA		802	8.34
70	Most Frequent Word			722	8.53
66	Caesar Cipher Cracker			721	8.53
88	Pitch and Notes			667	8.66
108	Star Medals			606	8.83
87	Tree Builder			609	8.82
95	Simple Linear Regression			593	8.87
60	Sweet Harvest			645	8.72
77	Point to Segment Distance			602	8.84
211	Information Entropy			379	9.64
207	Suffix Array			373	9.67
86	Brainfuck Interpreter			566	8.95
176	Say 100			407	9.52
91	Game of 2048			527	9.07
71	Fibonacci Divisibility Advanced			557	8.98
143	Extended Euclidean Algorithm			440	9.39
101	Gradient Calculation			491	9.20
195	Mul Two			353	9.77
119	Brain Fibo			461	9.31
191	Spaceship Weight Fraud			352	9.77
82	Levenshtein Distance			500	9.16
206	Base-32 Encoding			317	9.95
89	Instrument Tuner			467	9.28
64	Maze Pathfinder			488	9.21
131	Four Pics One Word			390	9.60
79	Cycles Detection			444	9.37
92	Binary Heap			420	9.47
189	Dynamic Web Page			302	10.04
150	Introducing Regexps			332	9.87
126	Sequence of Squares			359	9.74
136	Variable Length Code Unpack			347	9.80
83	Graph Generator			401	9.55
167	Copy Line			298	10.06
170	Binary Search in Array			293	10.09
90	Lexicographic Permutations			380	9.64
197	Loops in Assembly			259	10.30
78	Bezier Curves			385	9.62
154	Breadth First Search			300	10.05
117	Divide by Two			327	9.90
99	Uphill Shooting			340	9.83
65	Transitive Closure on Candy States			373	9.67
144	Modular Inverse			277	10.19
155	Depth First Search			262	10.28
174	Calculation of Pi			241	10.43
161	Topological Sorting			250	10.37
133	Billiard Ball			265	10.26
165	Safe Landing			234	10.48
140	Proper Bracket Sequences			253	10.34
76	Pawn Move Validator			299	10.06
190	Query String Parameters			204	10.72
96	Snake Arcade			280	10.17
184	Matches Picking		quandray	205	10.71
103	Easter Eggs			263	10.28
123	Knapsack of Integers			246	10.39
93	Starving Priority Queue			269	10.24
84	Dijkstra in the Network			270	10.23
130	Combinations with Repetitions			233	10.49
125	Bogosort			234	10.48
173	Chords of Music			195	10.79
109	Lucky Tickets			228	10.52
146	Color Cubes			202	10.73
151	Word Ladders			193	10.81
208	Neighborhood of a String			150	11.25
129	Enumerating Combinations			200	10.75
164	Page Rank			174	10.99
138	Huffman Coding			188	10.86
139	Beam Balance and Masses			186	10.88
194	Convex Hull and Farmers			148	11.27
201	Point in Polygon			142	11.34
199	Employees Web App			141	11.35
152	RSA Cryptography			164	11.09
137	Shannon-Fano Coding			172	11.01
192	Gangster Battles			140	11.37
111	Necklace Count			178	10.95
110	Lucky Tickets Advanced			168	11.05
168	Caesar meets BF			137	11.40
162	Rubik's Cube			129	11.51
179	Look and Say binary			121	11.62
202	Dancing Pairs			110	11.78
148	Public Key Cryptography Intro			135	11.43
124	Knapsack Backtracking			145	11.31
198	Prn Hex Str			110	11.78
106	Random Search Optimization			152	11.22
214	Sick Travellers			101	11.93
182	Frodo and Black Riders			114	11.72
177	Nim Game			113	11.74
160	Social Web Scraper			119	11.65
185	Simple 3D Scene			108	11.81
102	Travelling Salesman			141	11.35
157	Emirp primE			115	11.71
158	Hamming Codes			113	11.74
159	Hard Life			105	11.86
196	Fibonacci Randomizer			86	12.21
153	Fermat goes hacking RSA			100	11.95
100	Crossing the Road			116	11.69
115	Gradient Descent for SLE			110	11.78
186	Simple 3D Scene (cont)			84	12.25
141	Sliding Window Search			99	11.96
193	Maximum Flow			77	12.40
166	Page Rank as Eigenvector			85	12.23
209	Suffix Array Advanced			71	12.53
210	Ticket Puzzle			70	12.56
142	LZ77 decompression			90	12.13
203	Tic-Tac-Toe Minimax Algorithm			69	12.58
219	Neural Network Calculation			64	12.71
112	Travelling Salesman Inverted			94	12.05
113	Ground Zero			93	12.07
216	Cracking Linear Congruential Generator			62	12.77
132	Stream Cipher Breaking			82	12.29
163	Colliding Balls			72	12.51
175	Algae Robot			66	12.66
107	Knight's Tour			82	12.29
205	Clustering the Stars			57	12.91
200	Fizz Buzz in Asm			57	12.91
230	Move-To-Front Transform			49	13.17
204	Wandering Star			54	13.00
212	BCD to Hex			50	13.13
218	Rain Must Fall	DE		47	13.24
149	Prime Chains			60	12.82
233	Language Study			41	13.47
178	Maze of the Wumpus			51	13.10
147	Color Cubes Advanced			56	12.94
118	Maxit Single-Player			61	12.79
180	Simple Game of Sticks			47	13.24
223	Introducing Scheme			39	13.56
229	Burrows-Wheeler Transform			35	13.74
183	Connect Four			42	13.43
217	Personality Swap			30	14.00
238	Bear Hunt			27	14.18
234	Train Merge			27	14.18
169	Automated Landing			33	13.84
213	Micro-Life	SK		24	14.37
220	Neural Network Training			22	14.52
231	Dice Black Jack			18	14.85
222	Easter Eggs Advanced			18	14.85
221	XWords		quandray	18	14.85
235	Train Merge Advanced			15	15.15
237	Road Network Destruction			13	15.38
227	Hashtable Implementation			13	15.38
215	Klotski	SK		13	15.38
226	Multiplicative Persistence Backtrace			11	15.65
225	Hamurabi			11	15.65
224	Transposing List of Lists			11	15.65
236	Is the Earth Flat			8	16.15
239	Foxes and Geese			7	16.35
232	Shift Register Randomizer			7	16.35
228	Maze Mapping Robot			6	16.58