Problems

Note that you can solve most task in any order!
Already solved ones are at the bottom of the table.

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Id Title Translations Solved Blessing
1Sum "A+B"DE ES FR AR ZH RO RU184971.00
2Sum in LoopDE ES FR AR ZH RO RU118771.77
3Sums in LoopDE ES FR AR ZH RO RU92352.21
4Minimum of TwoDE ES FR AR ZH RO RU80412.45
5Minimum of ThreeDE ES FR AR ZH RO RU72202.63
15Maximum of arrayDE ES AR ZH RO RU64612.83
6RoundingDE ES AR ZH RO RU59022.98
7Fahrenheit to CelsiusDE ES AR ZH RO RU55033.11
20Vowel CountDE ES AR ZH RO RU46483.40
41Median of ThreeDE AR ZH RO RU41293.60
11Sum of digitsES RU40793.63
28Body Mass IndexDE ZH RU40083.66
43Dice RollingDE ZH RU36793.81
13Weighted sum of digitsES RU36763.81
8Arithmetic ProgressionES RU36353.83
16Average of an arrayES RU34803.90
9TrianglesES RU34693.91
17Array ChecksumES RU32024.05
30Reverse StringRU30644.12
21Array CountersES RU30344.14
48Collatz SequenceRU27364.32
14Modular CalculatorES25124.47
12Modulo and time differenceES RU24474.51
10Linear FunctionES RU24344.52
27Bubble SortRU22964.62
26Greatest Common DivisorRU20594.81
29Sort with IndexesRU18564.99
23Bubble in ArrayRU17705.08
18Square RootES RU17345.11
67Fibonacci SequenceRU17125.13
24Neumann's Random GeneratorDE RU16995.15
50PalindromesDE RU16755.17
31Rotate StringRU16125.24
57Smoothing the WeatherRU16085.24
52Pythagorean TheoremRU15155.35
68Bicycle RaceRU14985.37
32Josephus ProblemRU13945.49
35Savings Calculator12865.63
25Linear Congruential GeneratorRU12805.64
81Bit CountRU12545.67
44Double Dice RollRU12505.68
47Caesar Shift Cipher11915.76
19Matching BracketsES RU11845.77
55Matching Words11285.86
104Triangle Area11095.89
49Rock Paper Scissors10815.93
61Prime Numbers GenerationRU10585.97
58Card Names10356.01
59Bulls and Cows9466.16
94Fool's Day 20149426.17
22Two PrintersRU9096.23
128Combinations Counting8626.32
42Blackjack Counting8086.44
33Parity ControlRU7956.46
34Binary Search7736.51
38Quadratic Equation7576.55
120Selection Sort7386.59
53King and Queen7166.65
45Cards Shuffling6656.77
63Integer Factorization6066.94
72Funny Words Generator5847.00
37Mortgage Calculator5767.02
46Tic-Tac-Toe5717.04
69Fibonacci Divisibility5697.04
39Share Price Volatility4947.29
121Insertion Sort4927.30
62Prime Ranges4747.36
134Flying Text Screensaver4567.43
127Anagrams4427.48
75Yacht or Dice Poker4297.53
114Tricky Printing4277.54
36Code Guesser3897.70
74Clock Hands3857.72
73Hexagonal Grid3437.92
156Luhn Algorithm3437.92
54Pythagorean Triples3337.97
171Tree Height Measurement3337.97
80Duel Chances3307.99
116Summing Up3178.06
51Dungeons and Dragons Dice3098.10
97Girls and Pigs2948.19
122QuickSort2918.21
135Variable Length Code2848.25
105Convex Polygon Area2708.34
70Most Frequent Word2688.35
85Rotation in 2D Space2648.38
66Caesar Cipher Cracker2638.38
172Cloud Altitude Measurement2628.39
56Life is Simple2538.45
40Paths in the Grid2498.48
98Azimuth at Treasure Island2398.55
145Modular Exponentiation2298.62
87Tree Builder2288.63
77Point to Segment Distance2148.74
86Brainfuck Interpreter2108.77
187Static Web Page2038.83
82Levenshtein Distance2008.86
181Reverse Polish Notation2008.86
119Brain Fibo1998.86
188Basics of HTML1978.88
60Sweet Harvest1938.92
88Pitch and Notes1938.92
64Maze Pathfinder1849.00
91Game of 20481839.01
95Simple Linear Regression1729.12
92Binary Heap1639.21
71Fibonacci Divisibility Advanced1619.23
101Gradient Calculation1599.25
83Graph Generator1569.28
176Say 1001569.28
90Lexicographic Permutations1519.34
126Sequence of Squares1519.34
89Instrument Tuner1509.35
79Cycles Detection1499.36
131Four Pics One Word1409.47
117Divide by Two1399.48
150Introducing Regexps1389.50
78Bezier Curves1379.51
108Star Medals1379.51
143Extended Euclidean Algorithm1329.57
65Transitive Closure on Candy States1319.59
189Dynamic Web Page1309.60
195Mul Two1289.63
167Copy Line1269.65
207Suffix Array1239.69
136Variable Length Code Unpack1129.86
99Uphill Shooting1119.87
154Breadth First Search1079.93
84Dijkstra in the Network1049.98
191Spaceship Weight Fraud10310.00
170Binary Search in Array10010.05
211Information Entropy9910.07
103Easter Eggs9610.12
155Depth First Search9610.12
197Loops in Assembly9410.16
76Pawn Move Validator9110.21
96Snake Arcade9110.21
133Billiard Ball9110.21
93Starving Priority Queue9010.23
125Bogosort8710.29
161Topological Sorting8510.33
190Query String Parameters8510.33
165Safe Landing8310.37
123Knapsack of Integers8210.39
144Modular Inverse8210.39
109Lucky Tickets8010.43
206Base-32 Encoding7910.46
140Proper Bracket Sequences7610.52
129Enumerating Combinations7310.59
138Huffman Coding7110.64
146Color Cubes7010.66
151Word Ladders6810.71
130Combinations with Repetitions6710.74
174Calculation of Pi6710.74
110Lucky Tickets Advanced6310.84
137Shannon-Fano Coding6010.93
164Page Rank5910.96
168Caesar meets BF5810.99
173Chords of Music5711.01
139Beam Balance and Masses5311.14
106Random Search Optimization5211.17
184Matches Picking5211.17
160Social Web Scraper5111.20
199Employees Web App5111.20
111Necklace Count5011.24
148Public Key Cryptography Intro5011.24
152RSA Cryptography5011.24
194Convex Hull and Farmers5011.24
124Knapsack Backtracking4911.27
177Nim Game4911.27
198Prn Hex Str4911.27
102Travelling Salesman4811.31
201Point in Polygon4711.34
162Rubik's Cube4611.38
100Crossing the Road4511.42
159Hard Life4411.46
208Neighborhood of a String4411.46
192Gangster Battles4311.49
179Look and Say binary4011.62
196Fibonacci Randomizer4011.62
112Travelling Salesman Inverted3911.66
185Simple 3D Scene3911.66
158Hamming Codes3811.70
157Emirp primE3711.75
182Frodo and Black Riders3711.75
115Gradient Descent for SLE3411.89
142LZ77 decompression3411.89
141Sliding Window Search3311.94
202Dancing Pairs3311.94
153Fermat goes hacking RSA3112.05
113Ground Zero3012.10
163Colliding Balls3012.10
107Knight's Tour2912.16
132Stream Cipher Breaking2912.16
186Simple 3D Scene (cont)2912.16
210Ticket Puzzle2912.16
166Page Rank as Eigenvector2812.22
175Algae Robot2812.22
193Maximum Flow2712.28
149Prime Chains2612.34
200Fizz Buzz in Asm2612.34
147Color Cubes Advanced2512.41
203Tic-Tac-Toe Minimax Algorithm2512.41
118Maxit Single-Player2112.70
205Clustering the Stars2112.70
212BCD to Hex2112.70
180Simple Game of Sticks1912.86
209Suffix Array Advanced1912.86
178Maze of the Wumpus1812.95
204Wandering Star1713.05
183Connect Four1413.36
169Automated Landing1213.61
213Micro-Life1013.90