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		59559	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		36096	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		27527	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		23995	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		21483	2.77
15	Maximum of array	DE ES AR ZH RO RU SK		18781	3.00
6	Rounding	DE ES AR ZH RO RU SK		17219	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		16492	3.23
20	Vowel Count	DE ES AR ZH RO RU SK		13398	3.59
11	Sum of digits	DE ES RU ZH SK		13328	3.60
8	Arithmetic Progression	DE ES RU ZH SK		12522	3.71
41	Median of Three	DE ES AR ZH RO RU SK		11466	3.86
9	Triangles	DE ES RU ZH SK		11963	3.79
28	Body Mass Index	DE ES ZH RU SK		11336	3.88
13	Weighted sum of digits	DE ES RU ZH SK		10819	3.96
43	Dice Rolling	DE ES ZH RU SK		9740	4.15
16	Average of an array	DE ES RU SK		10262	4.05
30	Reverse String	DE ES RU SK		9692	4.15
17	Array Checksum	DE ES RU SK		9537	4.18
21	Array Counters	DE ES RU SK		8878	4.31
10	Linear Function	DE ES RU SK		8628	4.36
48	Collatz Sequence	DE ES RU SK		7707	4.55
12	Modulo and time difference	DE ES RU SK		7835	4.52
14	Modular Calculator	ES SK		7247	4.66
27	Bubble Sort	ES RU SK		6572	4.83
26	Greatest Common Divisor	ES SK RU		6398	4.88
18	Square Root	ES RU		6224	4.92
29	Sort with Indexes	RU		5931	5.01
50	Palindromes	DE ES RU SK		5487	5.14
23	Bubble in Array	ES RU		5686	5.08
52	Pythagorean Theorem	RU		5267	5.21
31	Rotate String	ES RU		5445	5.16
67	Fibonacci Sequence	RU		4728	5.40
68	Bicycle Race	ES RU		4701	5.41
24	Neumann's Random Generator	DE ES RU		5093	5.27
57	Smoothing the Weather	ES RU		4693	5.41
35	Savings Calculator			4506	5.48
104	Triangle Area	ES		3771	5.79
25	Linear Congruential Generator	RU		4453	5.50
44	Double Dice Roll	RU		4219	5.60
32	Josephus Problem	RU		4322	5.56
81	Bit Count	RU		3788	5.79
19	Matching Brackets	ES RU		4103	5.65
58	Card Names			3623	5.86
49	Rock Paper Scissors			3683	5.83
47	Caesar Shift Cipher	SK		3689	5.83
128	Combinations Counting			2989	6.20
55	Matching Words			3544	5.90
94	Fool's Day 2014	SK		3098	6.13
59	Bulls and Cows			3220	6.07
61	Prime Numbers Generation	RU		3161	6.10
22	Two Printers	ES RU		3421	5.96
42	Blackjack Counting			2943	6.22
120	Selection Sort			2323	6.63
38	Quadratic Equation			2726	6.36
33	Parity Control	RU		2653	6.40
53	King and Queen			2379	6.59
34	Binary Search			2463	6.53
171	Tree Height Measurement			1665	7.21
37	Mortgage Calculator	ZH		2309	6.65
45	Cards Shuffling	ZH		2249	6.69
69	Fibonacci Divisibility			2095	6.81
63	Integer Factorization	ZH		2017	6.88
46	Tic-Tac-Toe	ZH		2071	6.83
62	Prime Ranges			1847	7.03
72	Funny Words Generator			1790	7.09
121	Insertion Sort			1552	7.34
75	Yacht or Dice Poker			1690	7.19
172	Cloud Altitude Measurement			1263	7.69
39	Share Price Volatility			1732	7.14
127	Anagrams			1367	7.56
134	Flying Text Screensaver			1283	7.67
156	Luhn Algorithm	SK		1132	7.88
80	Duel Chances			1298	7.65
114	Tricky Printing			1193	7.79
36	Code Guesser	UA		1389	7.53
74	Clock Hands			1222	7.75
135	Variable Length Code			1011	8.08
54	Pythagorean Triples			1208	7.77
105	Convex Polygon Area			1050	8.01
73	Hexagonal Grid			1085	7.96
145	Modular Exponentiation			889	8.30
97	Girls and Pigs			965	8.16
116	Summing Up			870	8.34
181	Reverse Polish Notation			681	8.76
98	Azimuth at Treasure Island			839	8.40
122	QuickSort			778	8.53
51	Dungeons and Dragons Dice	UA		920	8.24
40	Paths in the Grid	UA		931	8.22
85	Rotation in 2D Space			839	8.40
56	Life is Simple			876	8.33
187	Static Web Page			615	8.94
188	Basics of HTML			586	9.03
66	Caesar Cipher Cracker			801	8.48
70	Most Frequent Word			792	8.50
88	Pitch and Notes			742	8.62
87	Tree Builder			709	8.69
60	Sweet Harvest			735	8.63
108	Star Medals			655	8.83
95	Simple Linear Regression			666	8.80
77	Point to Segment Distance			674	8.78
86	Brainfuck Interpreter			615	8.94
71	Fibonacci Divisibility Advanced			635	8.89
211	Information Entropy			424	9.59
91	Game of 2048			594	9.00
207	Suffix Array			417	9.62
101	Gradient Calculation			547	9.14
143	Extended Euclidean Algorithm			482	9.36
82	Levenshtein Distance			559	9.11
176	Say 100			426	9.58
191	Spaceship Weight Fraud			402	9.68
154	Breadth First Search			439	9.53
89	Instrument Tuner			520	9.23
206	Base-32 Encoding			371	9.82
119	Brain Fibo			477	9.38
64	Maze Pathfinder			543	9.16
79	Cycles Detection			517	9.24
195	Mul Two			373	9.81
92	Binary Heap			476	9.39
83	Graph Generator			476	9.39
155	Depth First Search			393	9.72
131	Four Pics One Word			413	9.63
90	Lexicographic Permutations			423	9.59
136	Variable Length Code Unpack			375	9.80
78	Bezier Curves			434	9.55
150	Introducing Regexps			351	9.91
65	Transitive Closure on Candy States			435	9.54
126	Sequence of Squares			371	9.82
189	Dynamic Web Page			308	10.14
167	Copy Line			317	10.09
170	Binary Search in Array			309	10.13
99	Uphill Shooting			369	9.83
161	Topological Sorting			311	10.12
197	Loops in Assembly			272	10.36
117	Divide by Two			343	9.95
144	Modular Inverse			312	10.12
76	Pawn Move Validator			350	9.92
174	Calculation of Pi			268	10.38
93	Starving Priority Queue			329	10.03
133	Billiard Ball			291	10.24
96	Snake Arcade			313	10.11
140	Proper Bracket Sequences			278	10.32
165	Safe Landing			255	10.47
184	Matches Picking		quandray	236	10.60
103	Easter Eggs			293	10.23
84	Dijkstra in the Network			304	10.16
123	Knapsack of Integers			275	10.34
173	Chords of Music			227	10.67
109	Lucky Tickets			271	10.36
130	Combinations with Repetitions			255	10.47
125	Bogosort			254	10.47
190	Query String Parameters			209	10.81
146	Color Cubes			221	10.71
129	Enumerating Combinations			226	10.68
151	Word Ladders			204	10.85
164	Page Rank			195	10.93
139	Beam Balance and Masses			208	10.82
208	Neighborhood of a String			168	11.19
138	Huffman Coding			202	10.87
194	Convex Hull and Farmers			168	11.19
201	Point in Polygon			162	11.25
152	RSA Cryptography			185	11.02
111	Necklace Count			204	10.85
102	Travelling Salesman			205	10.84
137	Shannon-Fano Coding			187	11.00
110	Lucky Tickets Advanced			195	10.93
192	Gangster Battles			152	11.36
199	Employees Web App			143	11.47
148	Public Key Cryptography Intro			157	11.31
106	Random Search Optimization			173	11.14
124	Knapsack Backtracking			165	11.22
162	Rubik's Cube			144	11.45
202	Dancing Pairs			126	11.68
168	Caesar meets BF			139	11.52
179	Look and Say binary			131	11.62
214	Sick Travellers			116	11.83
182	Frodo and Black Riders			125	11.70
198	Prn Hex Str			113	11.87
160	Social Web Scraper			126	11.68
177	Nim Game			119	11.78
158	Hamming Codes			125	11.70
185	Simple 3D Scene			113	11.87
157	Emirp primE			123	11.73
159	Hard Life			112	11.89
100	Crossing the Road			131	11.62
153	Fermat goes hacking RSA			113	11.87
115	Gradient Descent for SLE			119	11.78
141	Sliding Window Search			107	11.97
112	Travelling Salesman Inverted			115	11.84
196	Fibonacci Randomizer			89	12.28
186	Simple 3D Scene (cont)			91	12.24
193	Maximum Flow			87	12.32
166	Page Rank as Eigenvector			94	12.19
142	LZ77 decompression			100	12.08
210	Ticket Puzzle			81	12.44
209	Suffix Array Advanced			79	12.49
113	Ground Zero			104	12.02
203	Tic-Tac-Toe Minimax Algorithm			78	12.51
216	Cracking Linear Congruential Generator			74	12.60
219	Neural Network Calculation			72	12.65
107	Knight's Tour			99	12.10
132	Stream Cipher Breaking			89	12.28
163	Colliding Balls			79	12.49
175	Algae Robot			74	12.60
205	Clustering the Stars			65	12.82
230	Move-To-Front Transform			58	13.02
218	Rain Must Fall	DE		58	13.02
204	Wandering Star			60	12.96
200	Fizz Buzz in Asm			59	12.99
149	Prime Chains			67	12.77
212	BCD to Hex			54	13.14
118	Maxit Single-Player			71	12.67
233	Language Study			49	13.30
223	Introducing Scheme			49	13.30
180	Simple Game of Sticks			56	13.08
147	Color Cubes Advanced			60	12.96
178	Maze of the Wumpus			54	13.14
229	Burrows-Wheeler Transform			44	13.49
183	Connect Four			46	13.41
234	Train Merge			35	13.87
238	Bear Hunt			32	14.03
217	Personality Swap			34	13.92
169	Automated Landing			38	13.74
231	Dice Black Jack			24	14.51
220	Neural Network Training			24	14.51
213	Micro-Life	SK		24	14.51
222	Easter Eggs Advanced			23	14.58
221	XWords		quandray	21	14.73
235	Train Merge Advanced			19	14.90
224	Transposing List of Lists			17	15.08
237	Road Network Destruction			16	15.18
227	Hashtable Implementation			16	15.18
225	Hamurabi			15	15.28
215	Klotski	SK		13	15.52
236	Is the Earth Flat			11	15.78
232	Shift Register Randomizer			11	15.78
226	Multiplicative Persistence Backtrace			11	15.78
239	Foxes and Geese			9	16.10
228	Maze Mapping Robot			8	16.28