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		59501	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		36070	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		27500	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		23972	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		21465	2.77
15	Maximum of array	DE ES AR ZH RO RU SK		18762	3.00
6	Rounding	DE ES AR ZH RO RU SK		17203	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		16476	3.23
20	Vowel Count	DE ES AR ZH RO RU SK		13384	3.59
11	Sum of digits	DE ES RU ZH SK		13316	3.60
8	Arithmetic Progression	DE ES RU ZH SK		12509	3.71
41	Median of Three	DE ES AR ZH RO RU SK		11455	3.86
9	Triangles	DE ES RU ZH SK		11951	3.79
28	Body Mass Index	DE ES ZH RU SK		11319	3.88
13	Weighted sum of digits	DE ES RU ZH SK		10810	3.96
43	Dice Rolling	DE ES ZH RU SK		9731	4.15
16	Average of an array	DE ES RU SK		10250	4.06
30	Reverse String	DE ES RU SK		9682	4.15
17	Array Checksum	DE ES RU SK		9526	4.18
21	Array Counters	DE ES RU SK		8871	4.31
10	Linear Function	DE ES RU SK		8620	4.36
48	Collatz Sequence	DE ES RU SK		7699	4.55
12	Modulo and time difference	DE ES RU SK		7826	4.52
14	Modular Calculator	ES SK		7239	4.66
27	Bubble Sort	ES RU SK		6565	4.83
26	Greatest Common Divisor	ES SK RU		6391	4.88
18	Square Root	ES RU		6216	4.92
29	Sort with Indexes	RU		5925	5.01
50	Palindromes	DE ES RU SK		5482	5.14
23	Bubble in Array	ES RU		5678	5.08
52	Pythagorean Theorem	RU		5262	5.21
31	Rotate String	ES RU		5439	5.16
67	Fibonacci Sequence	RU		4721	5.40
68	Bicycle Race	ES RU		4695	5.41
24	Neumann's Random Generator	DE ES RU		5085	5.27
57	Smoothing the Weather	ES RU		4689	5.41
35	Savings Calculator			4500	5.48
104	Triangle Area	ES		3769	5.79
25	Linear Congruential Generator	RU		4446	5.51
44	Double Dice Roll	RU		4216	5.60
32	Josephus Problem	RU		4319	5.56
81	Bit Count	RU		3786	5.78
19	Matching Brackets	ES RU		4097	5.65
58	Card Names			3621	5.86
49	Rock Paper Scissors			3677	5.84
47	Caesar Shift Cipher	SK		3684	5.83
128	Combinations Counting			2988	6.20
55	Matching Words			3540	5.90
94	Fool's Day 2014	SK		3095	6.13
59	Bulls and Cows			3216	6.07
61	Prime Numbers Generation	RU		3154	6.10
22	Two Printers	ES RU		3415	5.96
42	Blackjack Counting			2937	6.23
120	Selection Sort			2318	6.64
38	Quadratic Equation			2720	6.36
33	Parity Control	RU		2649	6.41
53	King and Queen			2376	6.59
34	Binary Search			2460	6.53
171	Tree Height Measurement			1662	7.21
37	Mortgage Calculator	ZH		2306	6.65
45	Cards Shuffling	ZH		2247	6.69
69	Fibonacci Divisibility			2093	6.81
63	Integer Factorization	ZH		2015	6.88
46	Tic-Tac-Toe	ZH		2067	6.84
62	Prime Ranges			1846	7.03
72	Funny Words Generator			1789	7.09
121	Insertion Sort			1552	7.33
75	Yacht or Dice Poker			1690	7.19
172	Cloud Altitude Measurement			1262	7.69
39	Share Price Volatility			1729	7.15
127	Anagrams			1366	7.56
134	Flying Text Screensaver			1282	7.67
156	Luhn Algorithm	SK		1131	7.88
114	Tricky Printing			1192	7.79
80	Duel Chances			1297	7.65
36	Code Guesser	UA		1386	7.53
74	Clock Hands			1220	7.75
135	Variable Length Code			1011	8.08
54	Pythagorean Triples			1206	7.77
105	Convex Polygon Area			1050	8.01
73	Hexagonal Grid			1084	7.96
145	Modular Exponentiation			889	8.30
97	Girls and Pigs			963	8.16
116	Summing Up			869	8.34
181	Reverse Polish Notation			680	8.77
98	Azimuth at Treasure Island			837	8.41
122	QuickSort			776	8.54
51	Dungeons and Dragons Dice	UA		917	8.25
40	Paths in the Grid	UA		928	8.23
85	Rotation in 2D Space			837	8.41
56	Life is Simple			875	8.33
187	Static Web Page			615	8.94
188	Basics of HTML			586	9.02
70	Most Frequent Word			790	8.51
66	Caesar Cipher Cracker			797	8.49
88	Pitch and Notes			740	8.62
87	Tree Builder			707	8.70
60	Sweet Harvest			732	8.64
108	Star Medals			652	8.84
95	Simple Linear Regression			664	8.81
77	Point to Segment Distance			673	8.78
86	Brainfuck Interpreter			613	8.95
71	Fibonacci Divisibility Advanced			632	8.89
211	Information Entropy			423	9.59
91	Game of 2048			591	9.01
207	Suffix Array			416	9.62
101	Gradient Calculation			547	9.14
143	Extended Euclidean Algorithm			480	9.37
82	Levenshtein Distance			558	9.11
176	Say 100			426	9.58
191	Spaceship Weight Fraud			401	9.68
154	Breadth First Search			438	9.53
89	Instrument Tuner			517	9.24
206	Base-32 Encoding			369	9.83
119	Brain Fibo			476	9.38
64	Maze Pathfinder			542	9.16
195	Mul Two			373	9.81
79	Cycles Detection			515	9.25
92	Binary Heap			474	9.39
155	Depth First Search			393	9.72
83	Graph Generator			473	9.40
131	Four Pics One Word			412	9.63
136	Variable Length Code Unpack			374	9.80
78	Bezier Curves			433	9.55
90	Lexicographic Permutations			420	9.60
150	Introducing Regexps			350	9.92
65	Transitive Closure on Candy States			434	9.54
189	Dynamic Web Page			308	10.14
126	Sequence of Squares			370	9.82
167	Copy Line			315	10.10
170	Binary Search in Array			309	10.13
161	Topological Sorting			311	10.12
99	Uphill Shooting			368	9.83
197	Loops in Assembly			272	10.35
117	Divide by Two			342	9.96
144	Modular Inverse			312	10.12
76	Pawn Move Validator			349	9.92
174	Calculation of Pi			268	10.38
93	Starving Priority Queue			326	10.04
133	Billiard Ball			291	10.24
96	Snake Arcade			313	10.11
140	Proper Bracket Sequences			277	10.32
165	Safe Landing			255	10.47
184	Matches Picking		quandray	234	10.61
103	Easter Eggs			293	10.22
84	Dijkstra in the Network			303	10.17
123	Knapsack of Integers			274	10.34
109	Lucky Tickets			271	10.36
173	Chords of Music			226	10.67
130	Combinations with Repetitions			255	10.47
190	Query String Parameters			209	10.81
125	Bogosort			253	10.48
146	Color Cubes			221	10.71
129	Enumerating Combinations			226	10.67
151	Word Ladders			203	10.86
164	Page Rank			194	10.94
139	Beam Balance and Masses			208	10.82
208	Neighborhood of a String			167	11.20
138	Huffman Coding			201	10.88
194	Convex Hull and Farmers			167	11.20
201	Point in Polygon			161	11.26
152	RSA Cryptography			183	11.04
111	Necklace Count			203	10.86
137	Shannon-Fano Coding			186	11.01
102	Travelling Salesman			204	10.85
110	Lucky Tickets Advanced			194	10.94
192	Gangster Battles			150	11.38
199	Employees Web App			142	11.48
148	Public Key Cryptography Intro			156	11.31
106	Random Search Optimization			172	11.15
124	Knapsack Backtracking			164	11.23
162	Rubik's Cube			142	11.48
202	Dancing Pairs			125	11.70
168	Caesar meets BF			138	11.53
214	Sick Travellers			116	11.83
179	Look and Say binary			130	11.63
182	Frodo and Black Riders			123	11.72
198	Prn Hex Str			113	11.87
177	Nim Game			119	11.78
160	Social Web Scraper			125	11.70
158	Hamming Codes			125	11.70
185	Simple 3D Scene			113	11.87
157	Emirp primE			123	11.72
100	Crossing the Road			131	11.62
159	Hard Life			111	11.90
153	Fermat goes hacking RSA			112	11.89
115	Gradient Descent for SLE			119	11.78
141	Sliding Window Search			107	11.96
112	Travelling Salesman Inverted			114	11.86
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
210	Ticket Puzzle			81	12.44
142	LZ77 decompression			100	12.08
209	Suffix Array Advanced			79	12.49
113	Ground Zero			104	12.01
203	Tic-Tac-Toe Minimax Algorithm			78	12.51
216	Cracking Linear Congruential Generator			74	12.60
219	Neural Network Calculation			72	12.64
107	Knight's Tour			97	12.13
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	13.01
218	Rain Must Fall	DE		58	13.01
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
233	Language Study			49	13.30
118	Maxit Single-Player			70	12.69
180	Simple Game of Sticks			56	13.07
223	Introducing Scheme			48	13.34
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	14.02
217	Personality Swap			34	13.92
169	Automated Landing			38	13.73
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	14.89
224	Transposing List of Lists			17	15.08
237	Road Network Destruction			16	15.18
227	Hashtable Implementation			16	15.18
225	Hamurabi			14	15.39
215	Klotski	SK		13	15.51
226	Multiplicative Persistence Backtrace			11	15.78
236	Is the Earth Flat			10	15.93
232	Shift Register Randomizer			10	15.93
239	Foxes and Geese			9	16.10
228	Maze Mapping Robot			8	16.28