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 SK55249
2Sum in LoopDE ES FR AR ZH RO RU SK33809
3Sums in LoopDE ES FR AR ZH RO RU SK25783
4Minimum of TwoDE ES FR AR ZH RO RU SK22457
5Minimum of ThreeDE ES FR AR ZH RO RU SK20120
15Maximum of arrayDE ES AR ZH RO RU SK17572
6RoundingDE ES AR ZH RO RU SK16209
7Fahrenheit to CelsiusDE ES AR ZH RO RU SK15510
20Vowel CountDE ES AR ZH RO RU SK12581
11Sum of digitsDE ES RU ZH SK12475
8Arithmetic ProgressionDE ES RU ZH SK11674
41Median of ThreeDE ES AR ZH RO RU SK10723
9TrianglesDE ES RU ZH SK11085
28Body Mass IndexDE ES ZH RU SK10587
13Weighted sum of digitsDE ES RU ZH SK10094
43Dice RollingDE ES ZH RU SK9101
16Average of an arrayDE ES RU SK9547
30Reverse StringDE ES RU SK8990
17Array ChecksumDE ES RU SK8849
21Array CountersDE ES RU SK8250
10Linear FunctionDE ES RU SK7970
48Collatz SequenceDE ES RU SK7194
12Modulo and time differenceDE ES RU SK7319
14Modular CalculatorES SK6765
27Bubble SortES RU SK6101
26Greatest Common DivisorES SK RU5954
18Square RootES RU5727
29Sort with IndexesRU5509
50PalindromesDE ES RU SK5053
23Bubble in ArrayES RU5289
52Pythagorean TheoremRU4849
31Rotate StringES RU5044
67Fibonacci SequenceRU4373
68Bicycle RaceES RU4343
57Smoothing the WeatherES RU4375
24Neumann's Random GeneratorDE ES RU4726
35Savings Calculator4142
104Triangle AreaES3439
25Linear Congruential GeneratorRU4095
44Double Dice RollRU3888
32Josephus ProblemRU3986
81Bit CountRU3487
19Matching BracketsES RU3732
128Combinations Counting2732
58Card Names3317
47Caesar Shift CipherSK3395
49Rock Paper Scissors3347
55Matching Words3242
94Fool's Day 2014SK2827
59Bulls and Cows2933
61Prime Numbers GenerationRU2889
22Two PrintersES RU3102
42Blackjack Counting2665
120Selection Sort2084
38Quadratic Equation2448
33Parity ControlRU2411
53King and Queen2147
171Tree Height Measurement1491
34Binary Search2214
37Mortgage CalculatorZH2082
45Cards ShufflingZH2028
69Fibonacci Divisibility1898
63Integer FactorizationZH1819
46Tic-Tac-ToeZH1874
72Funny Words Generator1626
62Prime Ranges1661
121Insertion Sort1381
75Yacht or Dice Poker1541
172Cloud Altitude Measurement1119
127Anagrams1295
134Flying Text Screensaver1199
39Share Price Volatility1553
156Luhn AlgorithmSK1020
114Tricky Printing1140
80Duel Chances1162
135Variable Length Code917
36Code GuesserUA1208
74Clock Hands1093
105Convex Polygon Area944
54Pythagorean Triples1065
145Modular Exponentiation790
73Hexagonal Grid963
116Summing Up829
97Girls and Pigs863
187Static Web Page595
181Reverse Polish Notation606
188Basics of HTML569
122QuickSort699
98Azimuth at Treasure Island749
85Rotation in 2D Space756
51Dungeons and Dragons DiceUA817
56Life is Simple790
40Paths in the GridUA805
70Most Frequent Word722
66Caesar Cipher Cracker722
88Pitch and Notes667
108Star Medals606
87Tree Builder610
95Simple Linear Regression596
60Sweet Harvest646
77Point to Segment Distance603
211Information Entropy380
86Brainfuck Interpreter567
207Suffix Array375
176Say 100407
91Game of 2048531
71Fibonacci Divisibility Advanced557
143Extended Euclidean Algorithm440
101Gradient Calculation492
195Mul Two354
119Brain Fibo461
191Spaceship Weight Fraud352
82Levenshtein Distance500
206Base-32 Encoding319
89Instrument Tuner467
64Maze Pathfinder488
131Four Pics One Word392
79Cycles Detection445
92Binary Heap420
189Dynamic Web Page302
150Introducing Regexps333
126Sequence of Squares359
136Variable Length Code Unpack347
83Graph Generator405
167Copy Line298
90Lexicographic Permutations381
170Binary Search in Array294
197Loops in Assembly261
78Bezier Curves385
154Breadth First Search302
117Divide by Two327
65Transitive Closure on Candy States374
99Uphill Shooting340
144Modular Inverse277
155Depth First Search264
174Calculation of Pi243
161Topological Sorting251
133Billiard Ball268
165Safe Landing236
140Proper Bracket Sequences254
76Pawn Move Validator300
96Snake Arcade280
190Query String Parameters204
184Matches Picking206
123Knapsack of Integers248
103Easter Eggs263
93Starving Priority Queue269
84Dijkstra in the Network271
130Combinations with Repetitions233
125Bogosort234
173Chords of Music197
109Lucky Tickets230
146Color Cubes202
151Word Ladders195
208Neighborhood of a String150
129Enumerating Combinations200
164Page Rank175
138Huffman Coding188
139Beam Balance and Masses186
194Convex Hull and Farmers148
201Point in Polygon142
199Employees Web App141
137Shannon-Fano Coding174
152RSA Cryptography164
192Gangster Battles140
111Necklace Count178
110Lucky Tickets Advanced168
168Caesar meets BF137
148Public Key Cryptography Intro138
202Dancing Pairs111
162Rubik's Cube129
179Look and Say binary121
124Knapsack Backtracking146
106Random Search Optimization152
198Prn Hex Str110
214Sick Travellers102
182Frodo and Black Riders115
177Nim Game113
160Social Web Scraper119
185Simple 3D Scene108
102Travelling Salesman141
157Emirp primE115
158Hamming Codes114
159Hard Life105
196Fibonacci Randomizer86
153Fermat goes hacking RSA100
100Crossing the Road116
115Gradient Descent for SLE110
141Sliding Window Search99
186Simple 3D Scene (cont)84
193Maximum Flow77
166Page Rank as Eigenvector85
209Suffix Array Advanced71
210Ticket Puzzle70
142LZ77 decompression90
219Neural Network Calculation65
203Tic-Tac-Toe Minimax Algorithm69
112Travelling Salesman Inverted94
113Ground Zero93
216Cracking Linear Congruential Generator63
132Stream Cipher Breaking82
163Colliding Balls72
175Algae Robot67
205Clustering the Stars58
107Knight's Tour82
230Move-To-Front Transform50
200Fizz Buzz in Asm57
204Wandering Star55
212BCD to Hex50
218Rain Must FallDE48
149Prime Chains61
233Language Study42
178Maze of the Wumpus51
147Color Cubes Advanced57
118Maxit Single-Player61
180Simple Game of Sticks48
223Introducing Scheme40
229Burrows-Wheeler Transform36
183Connect Four42
217Personality Swap31
238Bear Hunt28
234Train Merge27
169Automated Landing34
213Micro-LifeSK24
220Neural Network Training22
221XWords19
231Dice Black Jack18
222Easter Eggs Advanced18
235Train Merge Advanced15
237Road Network Destruction13
227Hashtable Implementation13
215KlotskiSK13
226Multiplicative Persistence Backtrace11
225Hamurabi11
224Transposing List of Lists11
239Foxes and Geese8
236Is the Earth Flat8
232Shift Register Randomizer7
228Maze Mapping Robot6