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		59381	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		36001	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		27444	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		23922	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		21419	2.77
15	Maximum of array	DE ES AR ZH RO RU SK		18724	3.00
6	Rounding	DE ES AR ZH RO RU SK		17164	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		16444	3.23
20	Vowel Count	DE ES AR ZH RO RU SK		13350	3.59
11	Sum of digits	DE ES RU ZH SK		13282	3.60
8	Arithmetic Progression	DE ES RU ZH SK		12478	3.71
41	Median of Three	DE ES AR ZH RO RU SK		11429	3.86
9	Triangles	DE ES RU ZH SK		11925	3.79
28	Body Mass Index	DE ES ZH RU SK		11297	3.88
13	Weighted sum of digits	DE ES RU ZH SK		10784	3.96
43	Dice Rolling	DE ES ZH RU SK		9705	4.15
16	Average of an array	DE ES RU SK		10223	4.06
30	Reverse String	DE ES RU SK		9655	4.16
17	Array Checksum	DE ES RU SK		9499	4.18
21	Array Counters	DE ES RU SK		8841	4.31
10	Linear Function	DE ES RU SK		8594	4.36
48	Collatz Sequence	DE ES RU SK		7666	4.56
12	Modulo and time difference	DE ES RU SK		7801	4.53
14	Modular Calculator	ES SK		7216	4.66
27	Bubble Sort	ES RU SK		6544	4.83
26	Greatest Common Divisor	ES SK RU		6369	4.88
18	Square Root	ES RU		6193	4.93
29	Sort with Indexes	RU		5906	5.01
50	Palindromes	DE ES RU SK		5452	5.15
23	Bubble in Array	ES RU		5654	5.08
52	Pythagorean Theorem	RU		5243	5.22
31	Rotate String	ES RU		5419	5.16
67	Fibonacci Sequence	RU		4698	5.41
68	Bicycle Race	ES RU		4664	5.42
24	Neumann's Random Generator	DE ES RU		5053	5.28
57	Smoothing the Weather	ES RU		4650	5.42
35	Savings Calculator			4478	5.49
104	Triangle Area	ES		3737	5.80
25	Linear Congruential Generator	RU		4409	5.52
32	Josephus Problem	RU		4292	5.56
44	Double Dice Roll	RU		4174	5.61
81	Bit Count	RU		3741	5.80
19	Matching Brackets	ES RU		4056	5.66
58	Card Names			3572	5.88
49	Rock Paper Scissors			3630	5.85
47	Caesar Shift Cipher	SK		3633	5.85
128	Combinations Counting			2938	6.22
55	Matching Words			3493	5.92
94	Fool's Day 2014	SK		3048	6.16
59	Bulls and Cows			3162	6.09
61	Prime Numbers Generation	RU		3099	6.13
22	Two Printers	ES RU		3366	5.99
42	Blackjack Counting			2881	6.26
120	Selection Sort			2279	6.66
38	Quadratic Equation			2669	6.39
33	Parity Control	RU		2597	6.44
53	King and Queen			2325	6.63
34	Binary Search			2412	6.56
171	Tree Height Measurement			1614	7.26
37	Mortgage Calculator	ZH		2250	6.69
45	Cards Shuffling	ZH		2201	6.72
69	Fibonacci Divisibility			2041	6.85
63	Integer Factorization	ZH		1959	6.93
46	Tic-Tac-Toe	ZH		2020	6.87
62	Prime Ranges			1795	7.08
72	Funny Words Generator			1736	7.14
121	Insertion Sort			1518	7.37
75	Yacht or Dice Poker			1645	7.23
172	Cloud Altitude Measurement			1215	7.75
127	Anagrams			1354	7.57
39	Share Price Volatility			1677	7.20
134	Flying Text Screensaver			1250	7.71
156	Luhn Algorithm	SK		1097	7.93
114	Tricky Printing			1182	7.80
80	Duel Chances			1248	7.71
36	Code Guesser	UA		1341	7.58
74	Clock Hands			1172	7.82
135	Variable Length Code			985	8.12
54	Pythagorean Triples			1160	7.84
105	Convex Polygon Area			1016	8.07
73	Hexagonal Grid			1046	8.01
145	Modular Exponentiation			857	8.36
97	Girls and Pigs			935	8.21
116	Summing Up			860	8.35
181	Reverse Polish Notation			660	8.81
98	Azimuth at Treasure Island			812	8.45
51	Dungeons and Dragons Dice	UA		891	8.29
122	QuickSort			748	8.60
85	Rotation in 2D Space			819	8.44
187	Static Web Page			611	8.95
40	Paths in the Grid	UA		902	8.27
56	Life is Simple			852	8.37
188	Basics of HTML			582	9.03
66	Caesar Cipher Cracker			778	8.53
70	Most Frequent Word			768	8.55
88	Pitch and Notes			720	8.66
87	Tree Builder			686	8.75
108	Star Medals			634	8.88
60	Sweet Harvest			707	8.69
95	Simple Linear Regression			645	8.85
77	Point to Segment Distance			656	8.82
86	Brainfuck Interpreter			599	8.98
211	Information Entropy			412	9.63
71	Fibonacci Divisibility Advanced			610	8.95
91	Game of 2048			576	9.05
207	Suffix Array			400	9.68
101	Gradient Calculation			534	9.18
143	Extended Euclidean Algorithm			470	9.40
176	Say 100			424	9.58
82	Levenshtein Distance			543	9.15
191	Spaceship Weight Fraud			386	9.74
119	Brain Fibo			472	9.40
89	Instrument Tuner			508	9.27
206	Base-32 Encoding			357	9.88
64	Maze Pathfinder			531	9.19
195	Mul Two			369	9.82
79	Cycles Detection			496	9.31
92	Binary Heap			464	9.42
131	Four Pics One Word			406	9.66
83	Graph Generator			454	9.46
154	Breadth First Search			356	9.88
136	Variable Length Code Unpack			368	9.83
90	Lexicographic Permutations			410	9.64
78	Bezier Curves			422	9.59
150	Introducing Regexps			345	9.94
189	Dynamic Web Page			305	10.15
126	Sequence of Squares			366	9.84
65	Transitive Closure on Candy States			420	9.60
167	Copy Line			310	10.12
170	Binary Search in Array			305	10.15
99	Uphill Shooting			361	9.86
197	Loops in Assembly			269	10.37
161	Topological Sorting			297	10.20
117	Divide by Two			336	9.98
144	Modular Inverse			302	10.17
155	Depth First Search			288	10.25
174	Calculation of Pi			260	10.43
76	Pawn Move Validator			338	9.97
93	Starving Priority Queue			317	10.08
133	Billiard Ball			283	10.28
96	Snake Arcade			305	10.15
140	Proper Bracket Sequences			271	10.36
165	Safe Landing			251	10.49
103	Easter Eggs			283	10.28
123	Knapsack of Integers			267	10.38
184	Matches Picking		quandray	223	10.69
84	Dijkstra in the Network			291	10.23
173	Chords of Music			220	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			221	10.71
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			199	10.89
194	Convex Hull and Farmers			164	11.22
201	Point in Polygon			157	11.30
152	RSA Cryptography			179	11.07
137	Shannon-Fano Coding			184	11.03
111	Necklace Count			197	10.91
102	Travelling Salesman			198	10.90
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	11.36
106	Random Search Optimization			168	11.18
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			127	11.67
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
112	Travelling Salesman Inverted			108	11.94
193	Maximum Flow			85	12.36
210	Ticket Puzzle			80	12.46
166	Page Rank as Eigenvector			92	12.22
142	LZ77 decompression			98	12.11
209	Suffix Array Advanced			79	12.48
113	Ground Zero			102	12.04
216	Cracking Linear Congruential Generator			73	12.62
203	Tic-Tac-Toe Minimax Algorithm			76	12.55
219	Neural Network Calculation			71	12.67
132	Stream Cipher Breaking			87	12.32
107	Knight's Tour			93	12.20
163	Colliding Balls			78	12.50
175	Algae Robot			73	12.62
205	Clustering the Stars			64	12.84
230	Move-To-Front Transform			57	13.04
218	Rain Must Fall	DE		57	13.04
204	Wandering Star			59	12.98
200	Fizz Buzz in Asm			59	12.98
149	Prime Chains			67	12.76
212	BCD to Hex			52	13.20
118	Maxit Single-Player			68	12.74
233	Language Study			47	13.37
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	13.41
234	Train Merge			33	13.97
238	Bear Hunt			32	14.02
217	Personality Swap			33	13.97
169	Automated Landing			37	13.78
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