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 Solved
1Sum "A+B"DE ES FR AR ZH RO RU SK59469
2Sum in LoopDE ES FR AR ZH RO RU SK36058
3Sums in LoopDE ES FR AR ZH RO RU SK27493
4Minimum of TwoDE ES FR AR ZH RO RU SK23961
5Minimum of ThreeDE ES FR AR ZH RO RU SK21459
15Maximum of arrayDE ES AR ZH RO RU SK18755
6RoundingDE ES AR ZH RO RU SK17195
7Fahrenheit to CelsiusDE ES AR ZH RO RU SK16469
20Vowel CountDE ES AR ZH RO RU SK13375
11Sum of digitsDE ES RU ZH SK13308
8Arithmetic ProgressionDE ES RU ZH SK12500
41Median of ThreeDE ES AR ZH RO RU SK11451
9TrianglesDE ES RU ZH SK11944
28Body Mass IndexDE ES ZH RU SK11313
13Weighted sum of digitsDE ES RU ZH SK10802
43Dice RollingDE ES ZH RU SK9723
16Average of an arrayDE ES RU SK10241
30Reverse StringDE ES RU SK9672
17Array ChecksumDE ES RU SK9517
21Array CountersDE ES RU SK8861
10Linear FunctionDE ES RU SK8611
48Collatz SequenceDE ES RU SK7688
12Modulo and time differenceDE ES RU SK7816
14Modular CalculatorES SK7229
27Bubble SortES RU SK6559
26Greatest Common DivisorES SK RU6381
18Square RootES RU6206
29Sort with IndexesRU5920
50PalindromesDE ES RU SK5474
23Bubble in ArrayES RU5671
52Pythagorean TheoremRU5257
31Rotate StringES RU5433
67Fibonacci SequenceRU4712
68Bicycle RaceES RU4683
24Neumann's Random GeneratorDE ES RU5074
57Smoothing the WeatherES RU4672
35Savings Calculator4491
104Triangle AreaES3758
25Linear Congruential GeneratorRU4430
44Double Dice RollRU4201
32Josephus ProblemRU4307
81Bit CountRU3769
19Matching BracketsES RU4080
58Card Names3603
49Rock Paper Scissors3658
47Caesar Shift CipherSK3656
128Combinations Counting2971
55Matching Words3521
94Fool's Day 2014SK3073
59Bulls and Cows3184
61Prime Numbers GenerationRU3127
22Two PrintersES RU3386
42Blackjack Counting2906
120Selection Sort2293
38Quadratic Equation2685
33Parity ControlRU2616
53King and Queen2344
34Binary Search2429
171Tree Height Measurement1632
37Mortgage CalculatorZH2271
45Cards ShufflingZH2220
69Fibonacci Divisibility2061
63Integer FactorizationZH1985
46Tic-Tac-ToeZH2039
62Prime Ranges1814
72Funny Words Generator1756
121Insertion Sort1531
75Yacht or Dice Poker1664
172Cloud Altitude Measurement1235
39Share Price Volatility1694
127Anagrams1361
134Flying Text Screensaver1265
156Luhn AlgorithmSK1111
114Tricky Printing1188
80Duel Chances1266
36Code GuesserUA1354
74Clock Hands1192
135Variable Length Code997
54Pythagorean Triples1178
105Convex Polygon Area1031
73Hexagonal Grid1062
145Modular Exponentiation872
97Girls and Pigs947
116Summing Up867
181Reverse Polish Notation669
98Azimuth at Treasure Island826
122QuickSort764
51Dungeons and Dragons DiceUA903
85Rotation in 2D Space830
40Paths in the GridUA913
187Static Web Page615
56Life is Simple863
188Basics of HTML586
66Caesar Cipher Cracker788
70Most Frequent Word779
88Pitch and Notes730
87Tree Builder697
108Star Medals644
60Sweet Harvest720
95Simple Linear Regression656
77Point to Segment Distance667
86Brainfuck Interpreter606
211Information Entropy421
71Fibonacci Divisibility Advanced624
91Game of 2048585
207Suffix Array412
101Gradient Calculation545
143Extended Euclidean Algorithm478
82Levenshtein Distance552
176Say 100425
191Spaceship Weight Fraud395
89Instrument Tuner515
119Brain Fibo476
206Base-32 Encoding366
154Breadth First Search428
64Maze Pathfinder539
195Mul Two372
79Cycles Detection508
92Binary Heap473
155Depth First Search388
83Graph Generator466
131Four Pics One Word411
136Variable Length Code Unpack373
90Lexicographic Permutations418
78Bezier Curves430
150Introducing Regexps350
126Sequence of Squares370
189Dynamic Web Page307
65Transitive Closure on Candy States429
167Copy Line315
170Binary Search in Array307
99Uphill Shooting368
161Topological Sorting304
197Loops in Assembly270
117Divide by Two340
144Modular Inverse309
76Pawn Move Validator347
174Calculation of Pi265
93Starving Priority Queue326
133Billiard Ball289
96Snake Arcade311
140Proper Bracket Sequences275
165Safe Landing253
103Easter Eggs289
184Matches Picking229
84Dijkstra in the Network300
123Knapsack of Integers271
130Combinations with Repetitions252
173Chords of Music221
109Lucky Tickets263
190Query String Parameters208
125Bogosort250
146Color Cubes217
129Enumerating Combinations223
151Word Ladders202
164Page Rank194
208Neighborhood of a String167
139Beam Balance and Masses206
138Huffman Coding200
194Convex Hull and Farmers167
201Point in Polygon160
152RSA Cryptography183
111Necklace Count202
137Shannon-Fano Coding186
102Travelling Salesman204
110Lucky Tickets Advanced192
192Gangster Battles150
199Employees Web App142
148Public Key Cryptography Intro154
106Random Search Optimization172
124Knapsack Backtracking161
162Rubik's Cube141
168Caesar meets BF138
202Dancing Pairs123
214Sick Travellers116
179Look and Say binary130
182Frodo and Black Riders123
198Prn Hex Str113
177Nim Game119
160Social Web Scraper125
158Hamming Codes125
185Simple 3D Scene113
157Emirp primE123
159Hard Life111
100Crossing the Road130
153Fermat goes hacking RSA111
115Gradient Descent for SLE119
141Sliding Window Search107
196Fibonacci Randomizer89
186Simple 3D Scene (cont)91
112Travelling Salesman Inverted111
193Maximum Flow87
166Page Rank as Eigenvector94
210Ticket Puzzle81
142LZ77 decompression99
209Suffix Array Advanced79
113Ground Zero104
216Cracking Linear Congruential Generator74
203Tic-Tac-Toe Minimax Algorithm77
219Neural Network Calculation72
107Knight's Tour97
132Stream Cipher Breaking89
163Colliding Balls79
175Algae Robot74
205Clustering the Stars65
230Move-To-Front Transform58
218Rain Must FallDE58
204Wandering Star60
200Fizz Buzz in Asm59
149Prime Chains67
212BCD to Hex54
233Language Study49
118Maxit Single-Player69
223Introducing Scheme48
180Simple Game of Sticks55
147Color Cubes Advanced60
178Maze of the Wumpus54
229Burrows-Wheeler Transform44
183Connect Four46
234Train Merge35
238Bear Hunt32
217Personality Swap34
169Automated Landing38
231Dice Black Jack24
220Neural Network Training24
213Micro-LifeSK24
222Easter Eggs Advanced23
221XWords21
235Train Merge Advanced19
224Transposing List of Lists17
237Road Network Destruction16
227Hashtable Implementation16
225Hamurabi14
215KlotskiSK13
226Multiplicative Persistence Backtrace11
236Is the Earth Flat10
232Shift Register Randomizer10
239Foxes and Geese9
228Maze Mapping Robot8