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		59335	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		35970	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		27417	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		23898	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		21394	2.77
15	Maximum of array	DE ES AR ZH RO RU SK		18696	3.01
6	Rounding	DE ES AR ZH RO RU SK		17135	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		16418	3.23
20	Vowel Count	DE ES AR ZH RO RU SK		13321	3.59
11	Sum of digits	DE ES RU ZH SK		13263	3.60
8	Arithmetic Progression	DE ES RU ZH SK		12451	3.71
41	Median of Three	DE ES AR ZH RO RU SK		11394	3.87
9	Triangles	DE ES RU ZH SK		11900	3.79
28	Body Mass Index	DE ES ZH RU SK		11271	3.89
13	Weighted sum of digits	DE ES RU ZH SK		10754	3.97
43	Dice Rolling	DE ES ZH RU SK		9667	4.15
16	Average of an array	DE ES RU SK		10195	4.06
30	Reverse String	DE ES RU SK		9628	4.16
17	Array Checksum	DE ES RU SK		9470	4.19
21	Array Counters	DE ES RU SK		8812	4.31
10	Linear Function	DE ES RU SK		8567	4.36
48	Collatz Sequence	DE ES RU SK		7625	4.56
12	Modulo and time difference	DE ES RU SK		7772	4.53
14	Modular Calculator	ES SK		7193	4.67
27	Bubble Sort	ES RU SK		6512	4.84
26	Greatest Common Divisor	ES SK RU		6331	4.89
18	Square Root	ES RU		6161	4.93
29	Sort with Indexes	RU		5868	5.02
50	Palindromes	DE ES RU SK		5406	5.16
23	Bubble in Array	ES RU		5620	5.09
52	Pythagorean Theorem	RU		5204	5.23
31	Rotate String	ES RU		5376	5.17
67	Fibonacci Sequence	RU		4662	5.42
68	Bicycle Race	ES RU		4623	5.43
24	Neumann's Random Generator	DE ES RU		5008	5.29
57	Smoothing the Weather	ES RU		4612	5.44
35	Savings Calculator			4428	5.51
104	Triangle Area	ES		3694	5.82
25	Linear Congruential Generator	RU		4370	5.53
32	Josephus Problem	RU		4260	5.58
44	Double Dice Roll	RU		4121	5.63
81	Bit Count	RU		3695	5.82
19	Matching Brackets	ES RU		4016	5.68
58	Card Names			3524	5.90
49	Rock Paper Scissors			3571	5.88
47	Caesar Shift Cipher	SK		3583	5.88
128	Combinations Counting			2898	6.24
55	Matching Words			3441	5.95
94	Fool's Day 2014	SK		3016	6.17
59	Bulls and Cows			3120	6.12
61	Prime Numbers Generation	RU		3057	6.15
22	Two Printers	ES RU		3328	6.00
42	Blackjack Counting			2841	6.28
120	Selection Sort			2253	6.68
38	Quadratic Equation			2637	6.41
33	Parity Control	RU		2568	6.45
53	King and Queen			2304	6.64
34	Binary Search			2387	6.58
171	Tree Height Measurement			1598	7.28
37	Mortgage Calculator	ZH		2229	6.70
45	Cards Shuffling	ZH		2175	6.74
69	Fibonacci Divisibility			2023	6.87
63	Integer Factorization	ZH		1941	6.94
46	Tic-Tac-Toe	ZH		2001	6.89
62	Prime Ranges			1778	7.09
72	Funny Words Generator			1725	7.15
121	Insertion Sort			1503	7.38
75	Yacht or Dice Poker			1635	7.24
172	Cloud Altitude Measurement			1205	7.77
127	Anagrams			1351	7.57
39	Share Price Volatility			1658	7.21
134	Flying Text Screensaver			1246	7.71
156	Luhn Algorithm	SK		1092	7.94
114	Tricky Printing			1180	7.80
80	Duel Chances			1236	7.72
36	Code Guesser	UA		1321	7.61
74	Clock Hands			1162	7.83
135	Variable Length Code			980	8.13
54	Pythagorean Triples			1148	7.85
105	Convex Polygon Area			1013	8.07
73	Hexagonal Grid			1041	8.02
145	Modular Exponentiation			852	8.37
97	Girls and Pigs			932	8.21
116	Summing Up			858	8.36
181	Reverse Polish Notation			657	8.82
98	Azimuth at Treasure Island			808	8.46
122	QuickSort			744	8.60
85	Rotation in 2D Space			814	8.45
187	Static Web Page			611	8.95
51	Dungeons and Dragons Dice	UA		881	8.31
40	Paths in the Grid	UA		891	8.29
56	Life is Simple			846	8.38
188	Basics of HTML			582	9.03
66	Caesar Cipher Cracker			774	8.54
70	Most Frequent Word			762	8.56
88	Pitch and Notes			715	8.67
108	Star Medals			632	8.89
87	Tree Builder			665	8.80
60	Sweet Harvest			700	8.71
95	Simple Linear Regression			642	8.86
77	Point to Segment Distance			652	8.83
86	Brainfuck Interpreter			597	8.99
211	Information Entropy			410	9.64
71	Fibonacci Divisibility Advanced			608	8.95
91	Game of 2048			572	9.06
207	Suffix Array			399	9.69
101	Gradient Calculation			532	9.19
143	Extended Euclidean Algorithm			469	9.40
176	Say 100			423	9.58
82	Levenshtein Distance			541	9.16
191	Spaceship Weight Fraud			385	9.75
119	Brain Fibo			472	9.39
89	Instrument Tuner			505	9.28
195	Mul Two			368	9.83
206	Base-32 Encoding			354	9.89
64	Maze Pathfinder			528	9.20
79	Cycles Detection			492	9.32
92	Binary Heap			461	9.43
131	Four Pics One Word			406	9.65
83	Graph Generator			451	9.47
136	Variable Length Code Unpack			367	9.83
78	Bezier Curves			420	9.60
90	Lexicographic Permutations			406	9.65
150	Introducing Regexps			344	9.94
189	Dynamic Web Page			305	10.15
126	Sequence of Squares			365	9.84
65	Transitive Closure on Candy States			418	9.60
167	Copy Line			310	10.12
170	Binary Search in Array			305	10.15
154	Breadth First Search			319	10.07
99	Uphill Shooting			359	9.87
197	Loops in Assembly			269	10.37
161	Topological Sorting			297	10.20
117	Divide by Two			335	9.99
144	Modular Inverse			301	10.17
174	Calculation of Pi			260	10.43
155	Depth First Search			274	10.34
76	Pawn Move Validator			335	9.99
93	Starving Priority Queue			315	10.09
133	Billiard Ball			283	10.28
140	Proper Bracket Sequences			271	10.35
96	Snake Arcade			304	10.16
165	Safe Landing			251	10.49
103	Easter Eggs			282	10.29
123	Knapsack of Integers			266	10.39
184	Matches Picking		quandray	222	10.70
84	Dijkstra in the Network			289	10.24
173	Chords of Music			219	10.72
130	Combinations with Repetitions			248	10.51
190	Query String Parameters			207	10.82
125	Bogosort			246	10.52
109	Lucky Tickets			254	10.47
146	Color Cubes			214	10.76
129	Enumerating Combinations			220	10.72
151	Word Ladders			201	10.87
164	Page Rank			191	10.96
139	Beam Balance and Masses			204	10.85
208	Neighborhood of a String			164	11.22
138	Huffman Coding			198	10.90
194	Convex Hull and Farmers			164	11.22
201	Point in Polygon			156	11.31
152	RSA Cryptography			179	11.07
137	Shannon-Fano Coding			184	11.02
111	Necklace Count			196	10.92
102	Travelling Salesman			193	10.95
192	Gangster Battles			148	11.40
110	Lucky Tickets Advanced			186	11.01
199	Employees Web App			142	11.47
148	Public Key Cryptography Intro			152	11.35
106	Random Search Optimization			167	11.19
124	Knapsack Backtracking			158	11.29
168	Caesar meets BF			138	11.52
202	Dancing Pairs			122	11.73
162	Rubik's Cube			138	11.52
214	Sick Travellers			115	11.84
179	Look and Say binary			129	11.64
182	Frodo and Black Riders			122	11.73
198	Prn Hex Str			113	11.87
177	Nim Game			119	11.78
160	Social Web Scraper			125	11.69
158	Hamming Codes			124	11.71
185	Simple 3D Scene			112	11.88
157	Emirp primE			122	11.73
159	Hard Life			110	11.91
153	Fermat goes hacking RSA			110	11.91
100	Crossing the Road			126	11.68
115	Gradient Descent for SLE			116	11.82
196	Fibonacci Randomizer			89	12.28
141	Sliding Window Search			105	11.99
186	Simple 3D Scene (cont)			89	12.28
193	Maximum Flow			85	12.36
166	Page Rank as Eigenvector			92	12.22
112	Travelling Salesman Inverted			107	11.96
210	Ticket Puzzle			79	12.48
209	Suffix Array Advanced			79	12.48
142	LZ77 decompression			97	12.13
113	Ground Zero			101	12.06
216	Cracking Linear Congruential Generator			73	12.62
203	Tic-Tac-Toe Minimax Algorithm			76	12.55
219	Neural Network Calculation			71	12.66
132	Stream Cipher Breaking			87	12.32
107	Knight's Tour			92	12.22
163	Colliding Balls			78	12.50
175	Algae Robot			73	12.62
205	Clustering the Stars			64	12.84
230	Move-To-Front Transform			56	13.07
218	Rain Must Fall	DE		57	13.04
200	Fizz Buzz in Asm			59	12.98
204	Wandering Star			58	13.01
149	Prime Chains			67	12.76
212	BCD to Hex			52	13.20
233	Language Study			47	13.37
118	Maxit Single-Player			68	12.74
223	Introducing Scheme			47	13.37
147	Color Cubes Advanced			60	12.95
180	Simple Game of Sticks			54	13.13
178	Maze of the Wumpus			54	13.13
229	Burrows-Wheeler Transform			42	13.56
183	Connect Four			46	13.40
234	Train Merge			33	13.97
238	Bear Hunt			32	14.02
217	Personality Swap			33	13.97
169	Automated Landing			37	13.77
231	Dice Black Jack			24	14.50
213	Micro-Life	SK		24	14.50
220	Neural Network Training			23	14.57
222	Easter Eggs Advanced			22	14.65
221	XWords		quandray	21	14.72
235	Train Merge Advanced			19	14.89
224	Transposing List of Lists			17	15.07
237	Road Network Destruction			16	15.17
227	Hashtable Implementation			16	15.17
225	Hamurabi			14	15.39
215	Klotski	SK		13	15.51
226	Multiplicative Persistence Backtrace			11	15.78
232	Shift Register Randomizer			10	15.93
239	Foxes and Geese			9	16.09
236	Is the Earth Flat			9	16.09
228	Maze Mapping Robot			8	16.28