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		59128	1.00
2	Sum in Loop	DE ES FR AR ZH RO RU SK		35811	1.87
3	Sums in Loop	DE ES FR AR ZH RO RU SK		27277	2.34
4	Minimum of Two	DE ES FR AR ZH RO RU SK		23764	2.58
5	Minimum of Three	DE ES FR AR ZH RO RU SK		21263	2.78
15	Maximum of array	DE ES AR ZH RO RU SK		18556	3.01
6	Rounding	DE ES AR ZH RO RU SK		17005	3.16
7	Fahrenheit to Celsius	DE ES AR ZH RO RU SK		16277	3.24
20	Vowel Count	DE ES AR ZH RO RU SK		13196	3.61
11	Sum of digits	DE ES RU ZH SK		13132	3.61
8	Arithmetic Progression	DE ES RU ZH SK		12314	3.73
41	Median of Three	DE ES AR ZH RO RU SK		11288	3.88
9	Triangles	DE ES RU ZH SK		11783	3.80
28	Body Mass Index	DE ES ZH RU SK		11173	3.89
13	Weighted sum of digits	DE ES RU ZH SK		10650	3.98
43	Dice Rolling	DE ES ZH RU SK		9568	4.16
16	Average of an array	DE ES RU SK		10088	4.07
30	Reverse String	DE ES RU SK		9521	4.17
17	Array Checksum	DE ES RU SK		9360	4.20
21	Array Counters	DE ES RU SK		8715	4.33
10	Linear Function	DE ES RU SK		8460	4.38
48	Collatz Sequence	DE ES RU SK		7515	4.58
12	Modulo and time difference	DE ES RU SK		7652	4.55
14	Modular Calculator	ES SK		7075	4.69
27	Bubble Sort	ES RU SK		6381	4.87
26	Greatest Common Divisor	ES SK RU		6214	4.91
18	Square Root	ES RU		6040	4.96
29	Sort with Indexes	RU		5752	5.05
50	Palindromes	DE ES RU SK		5312	5.19
23	Bubble in Array	ES RU		5513	5.12
52	Pythagorean Theorem	RU		5094	5.26
31	Rotate String	ES RU		5266	5.20
67	Fibonacci Sequence	RU		4573	5.45
68	Bicycle Race	ES RU		4529	5.46
24	Neumann's Random Generator	DE ES RU		4916	5.32
57	Smoothing the Weather	ES RU		4540	5.46
35	Savings Calculator			4336	5.54
104	Triangle Area	ES		3621	5.85
25	Linear Congruential Generator	RU		4281	5.56
32	Josephus Problem	RU		4166	5.61
44	Double Dice Roll	RU		4049	5.66
81	Bit Count	RU		3639	5.84
19	Matching Brackets	ES RU		3935	5.71
58	Card Names			3466	5.93
47	Caesar Shift Cipher	SK		3535	5.89
49	Rock Paper Scissors			3510	5.91
128	Combinations Counting			2855	6.26
55	Matching Words			3387	5.97
94	Fool's Day 2014	SK		2969	6.20
59	Bulls and Cows			3079	6.13
61	Prime Numbers Generation	RU		3022	6.17
22	Two Printers	ES RU		3270	6.03
42	Blackjack Counting			2802	6.30
120	Selection Sort			2211	6.71
38	Quadratic Equation			2582	6.44
33	Parity Control	RU		2528	6.48
53	King and Queen			2272	6.66
34	Binary Search			2333	6.61
171	Tree Height Measurement			1579	7.29
37	Mortgage Calculator	ZH		2196	6.72
45	Cards Shuffling	ZH		2140	6.76
69	Fibonacci Divisibility			2003	6.88
63	Integer Factorization	ZH		1921	6.95
46	Tic-Tac-Toe	ZH		1974	6.90
62	Prime Ranges			1757	7.11
72	Funny Words Generator			1710	7.15
121	Insertion Sort			1466	7.42
75	Yacht or Dice Poker			1625	7.24
172	Cloud Altitude Measurement			1197	7.77
127	Anagrams			1345	7.57
39	Share Price Volatility			1635	7.23
134	Flying Text Screensaver			1242	7.71
156	Luhn Algorithm	SK		1084	7.95
114	Tricky Printing			1178	7.80
80	Duel Chances			1228	7.73
36	Code Guesser	UA		1293	7.64
74	Clock Hands			1153	7.84
135	Variable Length Code			974	8.13
105	Convex Polygon Area			1007	8.07
54	Pythagorean Triples			1130	7.87
73	Hexagonal Grid			1036	8.02
145	Modular Exponentiation			846	8.38
97	Girls and Pigs			925	8.22
116	Summing Up			858	8.35
181	Reverse Polish Notation			649	8.84
98	Azimuth at Treasure Island			805	8.46
187	Static Web Page			610	8.94
85	Rotation in 2D Space			812	8.45
122	QuickSort			734	8.62
51	Dungeons and Dragons Dice	UA		871	8.33
40	Paths in the Grid	UA		871	8.33
56	Life is Simple			838	8.39
188	Basics of HTML			581	9.03
66	Caesar Cipher Cracker			769	8.54
70	Most Frequent Word			757	8.57
88	Pitch and Notes			707	8.69
108	Star Medals			629	8.89
95	Simple Linear Regression			636	8.87
60	Sweet Harvest			691	8.73
87	Tree Builder			646	8.84
77	Point to Segment Distance			648	8.84
86	Brainfuck Interpreter			591	9.00
211	Information Entropy			406	9.65
71	Fibonacci Divisibility Advanced			599	8.97
91	Game of 2048			566	9.07
207	Suffix Array			397	9.69
101	Gradient Calculation			527	9.20
143	Extended Euclidean Algorithm			467	9.41
176	Say 100			421	9.59
82	Levenshtein Distance			535	9.17
191	Spaceship Weight Fraud			380	9.76
119	Brain Fibo			471	9.39
195	Mul Two			368	9.82
89	Instrument Tuner			499	9.29
206	Base-32 Encoding			350	9.91
64	Maze Pathfinder			523	9.21
79	Cycles Detection			487	9.33
92	Binary Heap			457	9.44
131	Four Pics One Word			403	9.66
83	Graph Generator			440	9.51
136	Variable Length Code Unpack			363	9.84
189	Dynamic Web Page			305	10.14
90	Lexicographic Permutations			405	9.65
78	Bezier Curves			417	9.60
150	Introducing Regexps			343	9.94
126	Sequence of Squares			365	9.83
65	Transitive Closure on Candy States			413	9.62
167	Copy Line			310	10.12
170	Binary Search in Array			304	10.15
154	Breadth First Search			315	10.09
99	Uphill Shooting			359	9.86
197	Loops in Assembly			269	10.36
117	Divide by Two			335	9.98
144	Modular Inverse			300	10.17
174	Calculation of Pi			260	10.42
161	Topological Sorting			270	10.36
155	Depth First Search			271	10.35
76	Pawn Move Validator			331	10.00
133	Billiard Ball			279	10.30
96	Snake Arcade			303	10.16
140	Proper Bracket Sequences			269	10.36
165	Safe Landing			249	10.50
103	Easter Eggs			281	10.29
93	Starving Priority Queue			288	10.24
184	Matches Picking		quandray	221	10.70
123	Knapsack of Integers			263	10.40
84	Dijkstra in the Network			288	10.24
190	Query String Parameters			207	10.81
130	Combinations with Repetitions			248	10.50
173	Chords of Music			212	10.77
125	Bogosort			244	10.53
109	Lucky Tickets			248	10.50
146	Color Cubes			212	10.77
129	Enumerating Combinations			219	10.72
151	Word Ladders			201	10.87
164	Page Rank			189	10.97
139	Beam Balance and Masses			199	10.88
208	Neighborhood of a String			159	11.27
138	Huffman Coding			198	10.89
194	Convex Hull and Farmers			162	11.24
201	Point in Polygon			152	11.35
137	Shannon-Fano Coding			183	11.03
152	RSA Cryptography			175	11.11
111	Necklace Count			196	10.91
199	Employees Web App			142	11.47
192	Gangster Battles			145	11.43
110	Lucky Tickets Advanced			184	11.02
148	Public Key Cryptography Intro			147	11.41
124	Knapsack Backtracking			157	11.29
168	Caesar meets BF			138	11.52
106	Random Search Optimization			164	11.22
162	Rubik's Cube			137	11.53
179	Look and Say binary			129	11.63
202	Dancing Pairs			119	11.77
214	Sick Travellers			112	11.87
102	Travelling Salesman			152	11.35
182	Frodo and Black Riders			120	11.76
198	Prn Hex Str			113	11.86
177	Nim Game			119	11.77
160	Social Web Scraper			125	11.69
158	Hamming Codes			124	11.70
185	Simple 3D Scene			111	11.89
157	Emirp primE			120	11.76
159	Hard Life			110	11.91
153	Fermat goes hacking RSA			108	11.94
100	Crossing the Road			125	11.69
115	Gradient Descent for SLE			115	11.83
196	Fibonacci Randomizer			89	12.27
141	Sliding Window Search			104	12.00
193	Maximum Flow			85	12.35
186	Simple 3D Scene (cont)			87	12.31
166	Page Rank as Eigenvector			92	12.21
210	Ticket Puzzle			78	12.50
142	LZ77 decompression			97	12.12
209	Suffix Array Advanced			78	12.50
112	Travelling Salesman Inverted			102	12.04
113	Ground Zero			101	12.05
216	Cracking Linear Congruential Generator			72	12.63
219	Neural Network Calculation			71	12.66
203	Tic-Tac-Toe Minimax Algorithm			75	12.56
132	Stream Cipher Breaking			87	12.31
107	Knight's Tour			92	12.21
163	Colliding Balls			78	12.50
175	Algae Robot			73	12.61
205	Clustering the Stars			62	12.89
230	Move-To-Front Transform			56	13.06
218	Rain Must Fall	DE		57	13.03
200	Fizz Buzz in Asm			59	12.97
204	Wandering Star			58	13.00
149	Prime Chains			65	12.81
212	BCD to Hex			52	13.19
118	Maxit Single-Player			67	12.76
233	Language Study			46	13.40
147	Color Cubes Advanced			60	12.95
178	Maze of the Wumpus			54	13.13
223	Introducing Scheme			46	13.40
180	Simple Game of Sticks			53	13.16
229	Burrows-Wheeler Transform			41	13.59
183	Connect Four			46	13.40
238	Bear Hunt			32	14.01
234	Train Merge			32	14.01
217	Personality Swap			33	13.96
169	Automated Landing			37	13.77
213	Micro-Life	SK		24	14.50
220	Neural Network Training			23	14.57
231	Dice Black Jack			22	14.64
222	Easter Eggs Advanced			22	14.64
221	XWords		quandray	21	14.72
235	Train Merge Advanced			19	14.88
237	Road Network Destruction			16	15.17
227	Hashtable Implementation			15	15.27
224	Transposing List of Lists			15	15.27
225	Hamurabi			13	15.50
215	Klotski	SK		13	15.50
226	Multiplicative Persistence Backtrace			11	15.77
232	Shift Register Randomizer			10	15.92
239	Foxes and Geese			9	16.09
236	Is the Earth Flat			9	16.09
228	Maze Mapping Robot			7	16.47