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		56992	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		34628	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		26361	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		22956	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		20558	2.77
15	Maximum of array	DE ES AR ZH RO RU SK		17955	3.01
6	Rounding	DE ES AR ZH RO RU SK		16477	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		15778	3.23
20	Vowel Count	DE ES AR ZH RO RU SK		12798	3.59
11	Sum of digits	DE ES RU ZH SK		12706	3.61
8	Arithmetic Progression	DE ES RU ZH SK		11894	3.72
41	Median of Three	DE ES AR ZH RO RU SK		10904	3.87
9	Triangles	DE ES RU ZH SK		11288	3.81
28	Body Mass Index	DE ES ZH RU SK		10778	3.89
13	Weighted sum of digits	DE ES RU ZH SK		10267	3.98
43	Dice Rolling	DE ES ZH RU SK		9241	4.16
16	Average of an array	DE ES RU SK		9719	4.07
30	Reverse String	DE ES RU SK		9149	4.18
17	Array Checksum	DE ES RU SK		9002	4.21
21	Array Counters	DE ES RU SK		8376	4.33
10	Linear Function	DE ES RU SK		8095	4.39
48	Collatz Sequence	DE ES RU SK		7314	4.57
12	Modulo and time difference	DE ES RU SK		7427	4.54
14	Modular Calculator	ES SK		6872	4.67
27	Bubble Sort	ES RU SK		6209	4.85
26	Greatest Common Divisor	ES SK RU		6042	4.90
18	Square Root	ES RU		5847	4.96
29	Sort with Indexes	RU		5599	5.03
50	Palindromes	DE ES RU SK		5149	5.18
23	Bubble in Array	ES RU		5373	5.10
52	Pythagorean Theorem	RU		4936	5.25
31	Rotate String	ES RU		5127	5.18
67	Fibonacci Sequence	RU		4442	5.43
68	Bicycle Race	ES RU		4412	5.44
57	Smoothing the Weather	ES RU		4440	5.43
24	Neumann's Random Generator	DE ES RU		4794	5.30
35	Savings Calculator			4211	5.53
104	Triangle Area	ES		3512	5.84
25	Linear Congruential Generator	RU		4157	5.55
44	Double Dice Roll	RU		3946	5.64
32	Josephus Problem	RU		4048	5.59
81	Bit Count	RU		3537	5.83
19	Matching Brackets	ES RU		3804	5.70
58	Card Names			3372	5.91
128	Combinations Counting			2779	6.25
47	Caesar Shift Cipher	SK		3450	5.87
49	Rock Paper Scissors			3404	5.89
55	Matching Words			3299	5.95
94	Fool's Day 2014	SK		2883	6.18
59	Bulls and Cows			2983	6.12
61	Prime Numbers Generation	RU		2934	6.15
22	Two Printers	ES RU		3167	6.02
42	Blackjack Counting			2714	6.29
120	Selection Sort			2131	6.71
38	Quadratic Equation			2500	6.43
33	Parity Control	RU		2456	6.46
53	King and Queen			2193	6.66
34	Binary Search			2262	6.60
171	Tree Height Measurement			1524	7.29
37	Mortgage Calculator	ZH		2127	6.71
45	Cards Shuffling	ZH		2073	6.76
69	Fibonacci Divisibility			1939	6.87
63	Integer Factorization	ZH		1855	6.95
46	Tic-Tac-Toe	ZH		1916	6.89
72	Funny Words Generator			1655	7.15
62	Prime Ranges			1694	7.11
121	Insertion Sort			1413	7.42
75	Yacht or Dice Poker			1572	7.24
172	Cloud Altitude Measurement			1154	7.77
127	Anagrams			1312	7.55
39	Share Price Volatility			1579	7.23
134	Flying Text Screensaver			1216	7.68
156	Luhn Algorithm	SK		1050	7.94
114	Tricky Printing			1158	7.77
80	Duel Chances			1185	7.73
36	Code Guesser	UA		1234	7.66
135	Variable Length Code			939	8.13
74	Clock Hands			1110	7.84
105	Convex Polygon Area			968	8.08
54	Pythagorean Triples			1085	7.88
145	Modular Exponentiation			815	8.38
73	Hexagonal Grid			989	8.04
116	Summing Up			842	8.32
97	Girls and Pigs			885	8.23
181	Reverse Polish Notation			626	8.83
187	Static Web Page			602	8.90
98	Azimuth at Treasure Island			768	8.48
188	Basics of HTML			575	8.98
122	QuickSort			712	8.61
85	Rotation in 2D Space			777	8.46
51	Dungeons and Dragons Dice	UA		829	8.35
56	Life is Simple			803	8.40
40	Paths in the Grid	UA		825	8.36
70	Most Frequent Word			730	8.57
66	Caesar Cipher Cracker			733	8.56
88	Pitch and Notes			678	8.70
108	Star Medals			613	8.87
95	Simple Linear Regression			608	8.88
87	Tree Builder			620	8.85
60	Sweet Harvest			657	8.75
77	Point to Segment Distance			615	8.86
211	Information Entropy			387	9.67
86	Brainfuck Interpreter			577	8.98
207	Suffix Array			379	9.70
91	Game of 2048			541	9.09
71	Fibonacci Divisibility Advanced			569	9.00
176	Say 100			411	9.56
143	Extended Euclidean Algorithm			449	9.41
101	Gradient Calculation			501	9.22
119	Brain Fibo			465	9.35
82	Levenshtein Distance			511	9.19
195	Mul Two			358	9.80
191	Spaceship Weight Fraud			359	9.80
89	Instrument Tuner			475	9.31
206	Base-32 Encoding			326	9.97
64	Maze Pathfinder			496	9.24
131	Four Pics One Word			397	9.62
79	Cycles Detection			459	9.37
92	Binary Heap			432	9.48
189	Dynamic Web Page			303	10.09
83	Graph Generator			414	9.55
136	Variable Length Code Unpack			356	9.81
150	Introducing Regexps			336	9.91
126	Sequence of Squares			361	9.79
90	Lexicographic Permutations			388	9.66
170	Binary Search in Array			300	10.11
167	Copy Line			302	10.10
78	Bezier Curves			393	9.64
154	Breadth First Search			309	10.06
197	Loops in Assembly			265	10.32
65	Transitive Closure on Candy States			382	9.69
117	Divide by Two			329	9.95
99	Uphill Shooting			344	9.87
144	Modular Inverse			282	10.22
155	Depth First Search			269	10.30
161	Topological Sorting			262	10.34
174	Calculation of Pi			248	10.44
133	Billiard Ball			272	10.28
165	Safe Landing			244	10.47
140	Proper Bracket Sequences			260	10.36
76	Pawn Move Validator			311	10.05
96	Snake Arcade			285	10.20
190	Query String Parameters			205	10.77
184	Matches Picking		quandray	209	10.73
103	Easter Eggs			268	10.30
123	Knapsack of Integers			253	10.40
93	Starving Priority Queue			274	10.27
84	Dijkstra in the Network			277	10.25
130	Combinations with Repetitions			240	10.50
125	Bogosort			239	10.50
173	Chords of Music			202	10.79
109	Lucky Tickets			233	10.55
146	Color Cubes			207	10.75
151	Word Ladders			199	10.82
129	Enumerating Combinations			205	10.77
164	Page Rank			181	10.98
208	Neighborhood of a String			153	11.27
138	Huffman Coding			193	10.87
139	Beam Balance and Masses			192	10.88
194	Convex Hull and Farmers			156	11.24
201	Point in Polygon			148	11.33
152	RSA Cryptography			170	11.09
137	Shannon-Fano Coding			178	11.01
199	Employees Web App			141	11.41
192	Gangster Battles			142	11.40
111	Necklace Count			182	10.97
110	Lucky Tickets Advanced			174	11.05
168	Caesar meets BF			137	11.46
148	Public Key Cryptography Intro			141	11.41
124	Knapsack Backtracking			150	11.31
162	Rubik's Cube			133	11.51
179	Look and Say binary			124	11.64
106	Random Search Optimization			156	11.24
202	Dancing Pairs			112	11.81
214	Sick Travellers			105	11.92
198	Prn Hex Str			111	11.83
182	Frodo and Black Riders			117	11.74
102	Travelling Salesman			146	11.35
160	Social Web Scraper			122	11.66
177	Nim Game			115	11.77
158	Hamming Codes			119	11.71
185	Simple 3D Scene			108	11.87
157	Emirp primE			116	11.75
159	Hard Life			107	11.89
153	Fermat goes hacking RSA			105	11.92
196	Fibonacci Randomizer			87	12.25
100	Crossing the Road			118	11.72
115	Gradient Descent for SLE			112	11.81
141	Sliding Window Search			101	11.99
186	Simple 3D Scene (cont)			84	12.31
166	Page Rank as Eigenvector			89	12.21
193	Maximum Flow			80	12.39
142	LZ77 decompression			95	12.09
209	Suffix Array Advanced			73	12.55
210	Ticket Puzzle			71	12.59
112	Travelling Salesman Inverted			97	12.06
113	Ground Zero			96	12.08
203	Tic-Tac-Toe Minimax Algorithm			71	12.59
219	Neural Network Calculation			66	12.72
216	Cracking Linear Congruential Generator			64	12.77
132	Stream Cipher Breaking			84	12.31
163	Colliding Balls			73	12.55
107	Knight's Tour			85	12.29
175	Algae Robot			68	12.67
230	Move-To-Front Transform			54	13.06
205	Clustering the Stars			58	12.94
200	Fizz Buzz in Asm			58	12.94
204	Wandering Star			55	13.03
218	Rain Must Fall	DE		50	13.19
212	BCD to Hex			51	13.16
149	Prime Chains			62	12.83
233	Language Study			43	13.45
178	Maze of the Wumpus			53	13.09
147	Color Cubes Advanced			58	12.94
118	Maxit Single-Player			62	12.83
180	Simple Game of Sticks			49	13.23
223	Introducing Scheme			40	13.57
229	Burrows-Wheeler Transform			36	13.75
183	Connect Four			43	13.45
238	Bear Hunt			29	14.11
217	Personality Swap			31	14.00
234	Train Merge			28	14.17
169	Automated Landing			36	13.75
213	Micro-Life	SK		24	14.43
220	Neural Network Training			22	14.58
221	XWords		quandray	20	14.73
231	Dice Black Jack			19	14.82
222	Easter Eggs Advanced			19	14.82
235	Train Merge Advanced			15	15.21
237	Road Network Destruction			13	15.44
227	Hashtable Implementation			13	15.44
215	Klotski	SK		13	15.44
225	Hamurabi			12	15.57
226	Multiplicative Persistence Backtrace			11	15.71
224	Transposing List of Lists			11	15.71
239	Foxes and Geese			9	16.02
232	Shift Register Randomizer			9	16.02
236	Is the Earth Flat			8	16.21
228	Maze Mapping Robot			6	16.64