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 SK59693
2Sum in LoopDE ES FR AR ZH RO RU SK36179
3Sums in LoopDE ES FR AR ZH RO RU SK27590
4Minimum of TwoDE ES FR AR ZH RO RU SK24050
5Minimum of ThreeDE ES FR AR ZH RO RU SK21532
15Maximum of arrayDE ES AR ZH RO RU SK18823
6RoundingDE ES AR ZH RO RU SK17248
7Fahrenheit to CelsiusDE ES AR ZH RO RU SK16525
20Vowel CountDE ES AR ZH RO RU SK13428
11Sum of digitsDE ES RU ZH SK13359
8Arithmetic ProgressionDE ES RU ZH SK12551
41Median of ThreeDE ES AR ZH RO RU SK11486
9TrianglesDE ES RU ZH SK11990
28Body Mass IndexDE ES ZH RU SK11359
13Weighted sum of digitsDE ES RU ZH SK10837
43Dice RollingDE ES ZH RU SK9757
16Average of an arrayDE ES RU SK10280
30Reverse StringDE ES RU SK9709
17Array ChecksumDE ES RU SK9554
21Array CountersDE ES RU SK8891
10Linear FunctionDE ES RU SK8649
48Collatz SequenceDE ES RU SK7719
12Modulo and time differenceDE ES RU SK7849
14Modular CalculatorES SK7259
27Bubble SortES RU SK6581
26Greatest Common DivisorES SK RU6404
18Square RootES RU6232
29Sort with IndexesRU5941
50PalindromesDE ES RU SK5494
23Bubble in ArrayES RU5697
52Pythagorean TheoremRU5274
31Rotate StringES RU5451
67Fibonacci SequenceRU4740
68Bicycle RaceES RU4706
24Neumann's Random GeneratorDE ES RU5100
57Smoothing the WeatherES RU4697
35Savings Calculator4512
104Triangle AreaES3778
25Linear Congruential GeneratorRU4457
44Double Dice RollRU4223
32Josephus ProblemRU4325
81Bit CountRU3790
19Matching BracketsES RU4107
58Card Names3626
49Rock Paper Scissors3688
47Caesar Shift CipherSK3696
128Combinations Counting2991
55Matching Words3548
94Fool's Day 2014SK3101
59Bulls and Cows3223
61Prime Numbers GenerationRU3168
22Two PrintersES RU3428
42Blackjack Counting2946
120Selection Sort2328
38Quadratic Equation2728
33Parity ControlRU2658
53King and Queen2380
34Binary Search2467
171Tree Height Measurement1669
37Mortgage CalculatorZH2310
45Cards ShufflingZH2252
69Fibonacci Divisibility2100
63Integer FactorizationZH2022
46Tic-Tac-ToeZH2074
62Prime Ranges1852
72Funny Words Generator1793
121Insertion Sort1552
75Yacht or Dice Poker1692
172Cloud Altitude Measurement1266
39Share Price Volatility1734
127Anagrams1367
134Flying Text Screensaver1284
156Luhn AlgorithmSK1132
80Duel Chances1299
114Tricky Printing1195
36Code GuesserUA1391
74Clock Hands1223
135Variable Length Code1012
54Pythagorean Triples1209
105Convex Polygon Area1050
73Hexagonal Grid1085
145Modular Exponentiation891
97Girls and Pigs965
116Summing Up873
181Reverse Polish Notation681
98Azimuth at Treasure Island839
122QuickSort778
51Dungeons and Dragons DiceUA921
40Paths in the GridUA932
85Rotation in 2D Space839
56Life is Simple877
187Static Web Page616
188Basics of HTML587
66Caesar Cipher Cracker802
70Most Frequent Word793
88Pitch and Notes743
87Tree Builder711
60Sweet Harvest737
108Star Medals656
95Simple Linear Regression666
77Point to Segment Distance674
71Fibonacci Divisibility Advanced638
86Brainfuck Interpreter616
211Information Entropy426
91Game of 2048595
207Suffix Array417
101Gradient Calculation547
143Extended Euclidean Algorithm482
82Levenshtein Distance559
176Say 100427
191Spaceship Weight Fraud402
89Instrument Tuner521
154Breadth First Search439
119Brain Fibo479
206Base-32 Encoding371
64Maze Pathfinder544
79Cycles Detection518
195Mul Two374
92Binary Heap477
83Graph Generator476
155Depth First Search393
131Four Pics One Word413
136Variable Length Code Unpack377
90Lexicographic Permutations423
78Bezier Curves434
65Transitive Closure on Candy States436
150Introducing Regexps352
126Sequence of Squares372
189Dynamic Web Page309
167Copy Line319
170Binary Search in Array310
99Uphill Shooting369
161Topological Sorting311
197Loops in Assembly273
117Divide by Two343
144Modular Inverse315
76Pawn Move Validator350
174Calculation of Pi269
93Starving Priority Queue329
133Billiard Ball291
96Snake Arcade315
140Proper Bracket Sequences278
165Safe Landing255
184Matches Picking236
103Easter Eggs294
84Dijkstra in the Network304
123Knapsack of Integers275
109Lucky Tickets272
173Chords of Music228
130Combinations with Repetitions256
125Bogosort254
190Query String Parameters209
146Color Cubes221
129Enumerating Combinations227
151Word Ladders204
164Page Rank195
139Beam Balance and Masses208
208Neighborhood of a String168
138Huffman Coding204
194Convex Hull and Farmers168
201Point in Polygon162
152RSA Cryptography185
111Necklace Count204
137Shannon-Fano Coding189
102Travelling Salesman205
110Lucky Tickets Advanced196
192Gangster Battles153
199Employees Web App143
148Public Key Cryptography Intro157
106Random Search Optimization173
124Knapsack Backtracking165
162Rubik's Cube144
202Dancing Pairs126
168Caesar meets BF139
214Sick Travellers118
179Look and Say binary131
182Frodo and Black Riders125
198Prn Hex Str113
158Hamming Codes127
177Nim Game120
160Social Web Scraper126
157Emirp primE125
185Simple 3D Scene113
159Hard Life112
100Crossing the Road131
153Fermat goes hacking RSA113
115Gradient Descent for SLE120
141Sliding Window Search108
112Travelling Salesman Inverted115
196Fibonacci Randomizer89
186Simple 3D Scene (cont)91
142LZ77 decompression102
193Maximum Flow87
210Ticket Puzzle82
166Page Rank as Eigenvector94
209Suffix Array Advanced79
113Ground Zero104
203Tic-Tac-Toe Minimax Algorithm78
216Cracking Linear Congruential Generator74
219Neural Network Calculation72
107Knight's Tour99
132Stream Cipher Breaking90
163Colliding Balls79
175Algae Robot74
205Clustering the Stars65
230Move-To-Front Transform59
218Rain Must FallDE58
204Wandering Star60
200Fizz Buzz in Asm59
149Prime Chains67
212BCD to Hex54
118Maxit Single-Player71
233Language Study49
223Introducing Scheme50
180Simple Game of Sticks56
147Color Cubes Advanced60
178Maze of the Wumpus54
229Burrows-Wheeler Transform45
183Connect Four46
234Train Merge36
238Bear Hunt32
217Personality Swap34
169Automated Landing39
231Dice Black Jack24
222Easter Eggs Advanced24
220Neural Network Training24
213Micro-LifeSK24
235Train Merge Advanced20
221XWords21
224Transposing List of Lists17
237Road Network Destruction16
227Hashtable Implementation16
225Hamurabi15
215KlotskiSK13
236Is the Earth Flat11
232Shift Register Randomizer11
226Multiplicative Persistence Backtrace11
239Foxes and Geese9
228Maze Mapping Robot8