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		53810	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		33045	1.85
3	Sums in Loop	DE ES FR AR ZH RO RU SK		25175	2.32
4	Minimum of Two	DE ES FR AR ZH RO RU SK		21921	2.56
5	Minimum of Three	DE ES FR AR ZH RO RU SK		19646	2.75
15	Maximum of array	DE ES AR ZH RO RU SK		17178	2.98
6	Rounding	DE ES AR ZH RO RU SK		15886	3.12
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		15168	3.20
20	Vowel Count	DE ES AR ZH RO RU SK		12319	3.56
11	Sum of digits	DE ES RU ZH SK		12178	3.58
41	Median of Three	DE ES AR ZH RO RU SK		10533	3.83
8	Arithmetic Progression	DE ES RU ZH SK		11390	3.70
28	Body Mass Index	DE ES ZH RU SK		10372	3.86
9	Triangles	DE ES RU ZH SK		10815	3.79
13	Weighted sum of digits	DE ES RU ZH SK		9872	3.95
43	Dice Rolling	DE ES ZH RU SK		8937	4.12
16	Average of an array	DE ES RU SK		9356	4.04
30	Reverse String	DE RU SK		8815	4.14
17	Array Checksum	DE ES RU SK		8662	4.17
21	Array Counters	DE ES RU SK		8097	4.29
48	Collatz Sequence	DE ES RU SK		7044	4.53
10	Linear Function	DE ES RU SK		7765	4.36
12	Modulo and time difference	DE ES RU SK		7149	4.51
14	Modular Calculator	ES SK		6601	4.64
27	Bubble Sort	ES RU SK		5982	4.82
26	Greatest Common Divisor	RU SK		5839	4.86
18	Square Root	ES RU		5588	4.93
29	Sort with Indexes	RU		5401	4.99
50	Palindromes	DE ES RU SK		4938	5.15
23	Bubble in Array	ES RU		5177	5.07
52	Pythagorean Theorem	RU		4733	5.22
31	Rotate String	ES RU		4941	5.15
67	Fibonacci Sequence	RU		4293	5.39
68	Bicycle Race	ES RU		4262	5.40
57	Smoothing the Weather	ES RU		4299	5.39
24	Neumann's Random Generator	DE ES RU		4618	5.27
104	Triangle Area			3366	5.81
35	Savings Calculator			4048	5.49
25	Linear Congruential Generator	RU		4006	5.51
81	Bit Count	RU		3416	5.79
44	Double Dice Roll	RU		3795	5.61
32	Josephus Problem	RU		3897	5.56
128	Combinations Counting			2673	6.21
19	Matching Brackets	ES RU		3635	5.68
58	Card Names			3243	5.88
47	Caesar Shift Cipher	SK		3329	5.83
49	Rock Paper Scissors			3274	5.86
55	Matching Words			3183	5.91
94	Fool's Day 2014	SK		2771	6.15
59	Bulls and Cows			2864	6.09
61	Prime Numbers Generation	RU		2820	6.12
22	Two Printers	ES RU		3019	6.00
42	Blackjack Counting			2592	6.27
120	Selection Sort			2036	6.69
38	Quadratic Equation			2389	6.41
33	Parity Control	RU		2341	6.45
171	Tree Height Measurement			1450	7.28
53	King and Queen			2094	6.64
34	Binary Search			2155	6.59
69	Fibonacci Divisibility			1857	6.85
37	Mortgage Calculator	ZH		2022	6.70
45	Cards Shuffling	ZH		1965	6.75
63	Integer Factorization	ZH		1781	6.92
46	Tic-Tac-Toe	ZH		1826	6.88
72	Funny Words Generator			1592	7.11
62	Prime Ranges			1627	7.08
121	Insertion Sort			1345	7.41
172	Cloud Altitude Measurement			1085	7.78
127	Anagrams			1272	7.50
75	Yacht or Dice Poker			1505	7.21
134	Flying Text Screensaver			1178	7.64
39	Share Price Volatility			1505	7.21
156	Luhn Algorithm	SK		996	7.93
114	Tricky Printing			1120	7.73
80	Duel Chances			1134	7.70
135	Variable Length Code			889	8.13
74	Clock Hands			1070	7.80
36	Code Guesser	UA		1165	7.66
105	Convex Polygon Area			917	8.07
54	Pythagorean Triples			1036	7.86
145	Modular Exponentiation			767	8.38
73	Hexagonal Grid			945	8.02
116	Summing Up			813	8.28
97	Girls and Pigs			846	8.21
187	Static Web Page			583	8.86
181	Reverse Polish Notation			584	8.85
188	Basics of HTML			557	8.94
122	QuickSort			680	8.59
98	Azimuth at Treasure Island			730	8.47
85	Rotation in 2D Space			735	8.46
51	Dungeons and Dragons Dice	UA		795	8.32
56	Life is Simple			769	8.38
70	Most Frequent Word			705	8.53
40	Paths in the Grid	UA		767	8.38
66	Caesar Cipher Cracker			706	8.53
88	Pitch and Notes			646	8.68
108	Star Medals			595	8.82
211	Information Entropy			366	9.66
95	Simple Linear Regression			581	8.86
87	Tree Builder			591	8.83
207	Suffix Array			364	9.67
60	Sweet Harvest			625	8.74
77	Point to Segment Distance			585	8.85
176	Say 100			399	9.52
86	Brainfuck Interpreter			551	8.96
143	Extended Euclidean Algorithm			435	9.37
195	Mul Two			346	9.76
71	Fibonacci Divisibility Advanced			546	8.97
91	Game of 2048			510	9.09
191	Spaceship Weight Fraud			342	9.78
119	Brain Fibo			455	9.29
101	Gradient Calculation			476	9.21
206	Base-32 Encoding			309	9.96
82	Levenshtein Distance			488	9.17
89	Instrument Tuner			456	9.28
131	Four Pics One Word			386	9.57
64	Maze Pathfinder			473	9.22
189	Dynamic Web Page			300	10.01
79	Cycles Detection			436	9.36
92	Binary Heap			414	9.45
150	Introducing Regexps			329	9.85
126	Sequence of Squares			354	9.72
136	Variable Length Code Unpack			341	9.79
170	Binary Search in Array			291	10.06
167	Copy Line			292	10.06
197	Loops in Assembly			255	10.29
83	Graph Generator			391	9.55
90	Lexicographic Permutations			376	9.62
154	Breadth First Search			294	10.04
78	Bezier Curves			378	9.61
117	Divide by Two			321	9.89
99	Uphill Shooting			334	9.82
65	Transitive Closure on Candy States			362	9.68
144	Modular Inverse			273	10.17
155	Depth First Search			258	10.27
174	Calculation of Pi			236	10.42
161	Topological Sorting			243	10.37
133	Billiard Ball			260	10.26
165	Safe Landing			229	10.48
190	Query String Parameters			202	10.69
140	Proper Bracket Sequences			243	10.37
184	Matches Picking		quandray	200	10.71
76	Pawn Move Validator			291	10.06
96	Snake Arcade			272	10.18
103	Easter Eggs			258	10.27
123	Knapsack of Integers			239	10.40
93	Starving Priority Queue			262	10.24
130	Combinations with Repetitions			228	10.48
84	Dijkstra in the Network			265	10.22
173	Chords of Music			192	10.78
125	Bogosort			231	10.46
109	Lucky Tickets			226	10.50
146	Color Cubes			198	10.73
151	Word Ladders			190	10.80
208	Neighborhood of a String			145	11.27
129	Enumerating Combinations			197	10.74
164	Page Rank			172	10.97
138	Huffman Coding			186	10.84
194	Convex Hull and Farmers			147	11.24
139	Beam Balance and Masses			182	10.87
201	Point in Polygon			138	11.35
199	Employees Web App			139	11.34
192	Gangster Battles			136	11.38
152	RSA Cryptography			161	11.09
137	Shannon-Fano Coding			169	11.00
111	Necklace Count			176	10.93
110	Lucky Tickets Advanced			166	11.03
168	Caesar meets BF			133	11.42
202	Dancing Pairs			108	11.77
179	Look and Say binary			119	11.61
198	Prn Hex Str			109	11.76
162	Rubik's Cube			126	11.51
148	Public Key Cryptography Intro			133	11.42
214	Sick Travellers			99	11.92
124	Knapsack Backtracking			142	11.30
182	Frodo and Black Riders			112	11.71
106	Random Search Optimization			149	11.22
177	Nim Game			112	11.71
185	Simple 3D Scene			106	11.81
160	Social Web Scraper			117	11.64
102	Travelling Salesman			139	11.34
157	Emirp primE			113	11.70
158	Hamming Codes			111	11.73
159	Hard Life			103	11.86
196	Fibonacci Randomizer			85	12.19
153	Fermat goes hacking RSA			99	11.92
100	Crossing the Road			115	11.67
115	Gradient Descent for SLE			109	11.76
186	Simple 3D Scene (cont)			82	12.25
141	Sliding Window Search			97	11.96
210	Ticket Puzzle			69	12.54
209	Suffix Array Advanced			69	12.54
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
112	Travelling Salesman Inverted			92	12.05
216	Cracking Linear Congruential Generator			59	12.81
113	Ground Zero			89	12.11
132	Stream Cipher Breaking			80	12.29
163	Colliding Balls			70	12.52
175	Algae Robot			66	12.62
205	Clustering the Stars			56	12.90
200	Fizz Buzz in Asm			57	12.87
107	Knight's Tour			81	12.27
230	Move-To-Front Transform			47	13.20
204	Wandering Star			53	12.99
212	BCD to Hex			50	13.09
218	Rain Must Fall	DE		45	13.27
149	Prime Chains			60	12.78
233	Language Study			39	13.52
178	Maze of the Wumpus			49	13.13
147	Color Cubes Advanced			55	12.93
118	Maxit Single-Player			59	12.81
180	Simple Game of Sticks			46	13.24
223	Introducing Scheme			37	13.60
229	Burrows-Wheeler Transform			33	13.80
183	Connect Four			41	13.43
217	Personality Swap			29	14.01
238	Bear Hunt			25	14.26
234	Train Merge			25	14.26
169	Automated Landing			33	13.80
213	Micro-Life	SK		24	14.33
220	Neural Network Training			21	14.55
231	Dice Black Jack			17	14.90
221	XWords		quandray	17	14.90
222	Easter Eggs Advanced			16	15.00
235	Train Merge Advanced			14	15.22
215	Klotski	SK		13	15.34
237	Road Network Destruction			11	15.61
227	Hashtable Implementation			11	15.61
226	Multiplicative Persistence Backtrace			11	15.61
225	Hamurabi			11	15.61
224	Transposing List of Lists			10	15.76
236	Is the Earth Flat			8	16.11
232	Shift Register Randomizer			7	16.31
239	Foxes and Geese			6	16.54
228	Maze Mapping Robot			5	16.81