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Id
Title
Translations
Author
Solved
Blessing
1
Sum "A+B"
DE
ES
FR
AR
ZH
RO
RU
SK
53596
1.00
2
Sum in Loop
DE
ES
FR
AR
ZH
RO
RU
SK
32932
1.85
3
Sums in Loop
DE
ES
FR
AR
ZH
RO
RU
SK
25102
2.32
4
Minimum of Two
DE
ES
FR
AR
ZH
RO
RU
SK
21851
2.56
5
Minimum of Three
DE
ES
FR
AR
ZH
RO
RU
SK
19577
2.75
15
Maximum of array
DE
ES
AR
ZH
RO
RU
SK
17121
2.98
6
Rounding
DE
ES
AR
ZH
RO
RU
SK
15840
3.12
7
Fahrenheit to Celsius
DE
ES
AR
ZH
RO
RU
SK
15112
3.20
20
Vowel Count
DE
ES
AR
ZH
RO
RU
SK
12274
3.56
11
Sum of digits
DE
ES
RU
ZH
SK
12131
3.58
41
Median of Three
DE
ES
AR
ZH
RO
RU
SK
10500
3.83
8
Arithmetic Progression
DE
ES
RU
ZH
SK
11345
3.70
28
Body Mass Index
DE
ES
ZH
RU
SK
10335
3.86
9
Triangles
DE
ES
RU
ZH
SK
10776
3.79
13
Weighted sum of digits
DE
ES
RU
ZH
SK
9836
3.95
43
Dice Rolling
DE
ES
ZH
RU
SK
8909
4.12
16
Average of an array
DE
ES
RU
SK
9328
4.04
30
Reverse String
DE
RU
SK
8774
4.14
17
Array Checksum
DE
ES
RU
SK
8635
4.17
21
Array Counters
DE
ES
RU
SK
8070
4.29
48
Collatz Sequence
DE
ES
RU
SK
7014
4.53
10
Linear Function
DE
ES
RU
SK
7732
4.36
12
Modulo and time difference
DE
ES
RU
SK
7121
4.51
14
Modular Calculator
ES
SK
6582
4.64
27
Bubble Sort
ES
RU
SK
5962
4.81
26
Greatest Common Divisor
RU
SK
5813
4.86
18
Square Root
ES
RU
5568
4.93
29
Sort with Indexes
RU
5380
4.99
50
Palindromes
DE
ES
RU
SK
4917
5.15
23
Bubble in Array
ES
RU
5159
5.07
52
Pythagorean Theorem
RU
4713
5.22
31
Rotate String
ES
RU
4921
5.15
67
Fibonacci Sequence
RU
4270
5.39
68
Bicycle Race
ES
RU
4247
5.40
57
Smoothing the Weather
ES
RU
4278
5.39
24
Neumann's Random Generator
DE
ES
RU
4596
5.27
104
Triangle Area
3353
5.81
35
Savings Calculator
4028
5.50
81
Bit Count
RU
3403
5.79
25
Linear Congruential Generator
RU
3988
5.51
44
Double Dice Roll
RU
3779
5.61
32
Josephus Problem
RU
3879
5.56
128
Combinations Counting
2659
6.22
19
Matching Brackets
ES
RU
3620
5.68
58
Card Names
3227
5.88
47
Caesar Shift Cipher
SK
3318
5.83
49
Rock Paper Scissors
3260
5.86
55
Matching Words
3169
5.91
94
Fool's Day 2014
SK
2761
6.15
59
Bulls and Cows
2852
6.10
61
Prime Numbers Generation
RU
2809
6.12
22
Two Printers
ES
RU
3004
6.01
120
Selection Sort
2024
6.69
42
Blackjack Counting
2582
6.27
400
Memory Check
13
15.33
38
Quadratic Equation
2377
6.41
33
Parity Control
RU
2331
6.45
171
Tree Height Measurement
1442
7.28
53
King and Queen
2085
6.64
34
Binary Search
2147
6.59
69
Fibonacci Divisibility
1847
6.85
37
Mortgage Calculator
ZH
2010
6.70
45
Cards Shuffling
ZH
1958
6.75
63
Integer Factorization
ZH
1771
6.92
46
Tic-Tac-Toe
ZH
1813
6.88
72
Funny Words Generator
1581
7.12
62
Prime Ranges
1617
7.08
121
Insertion Sort
1332
7.42
172
Cloud Altitude Measurement
1080
7.78
127
Anagrams
1264
7.51
75
Yacht or Dice Poker
1495
7.22
134
Flying Text Screensaver
1168
7.65
39
Share Price Volatility
1497
7.21
156
Luhn Algorithm
SK
989
7.93
399
Methane Identification
moxieman
11
15.60
114
Tricky Printing
1116
7.72
80
Duel Chances
1130
7.70
385
Number of steps in Euclidean Algorithm
gardengnome
58
12.83
135
Variable Length Code
883
8.13
74
Clock Hands
1062
7.81
36
Code Guesser
UA
1157
7.66
105
Convex Polygon Area
910
8.08
54
Pythagorean Triples
1030
7.86
145
Modular Exponentiation
760
8.39
73
Hexagonal Grid
938
8.03
116
Summing Up
809
8.28
97
Girls and Pigs
841
8.22
187
Static Web Page
582
8.85
181
Reverse Polish Notation
580
8.86
188
Basics of HTML
557
8.93
377
Sum of Digits Divisibility
63
12.69
122
QuickSort
677
8.59
98
Azimuth at Treasure Island
725
8.47
85
Rotation in 2D Space
731
8.46
51
Dungeons and Dragons Dice
UA
790
8.32
56
Life is Simple
766
8.38
70
Most Frequent Word
702
8.53
40
Paths in the Grid
UA
758
8.40
66
Caesar Cipher Cracker
702
8.53
88
Pitch and Notes
642
8.68
108
Star Medals
591
8.83
211
Information Entropy
362
9.68
95
Simple Linear Regression
576
8.87
87
Tree Builder
590
8.83
207
Suffix Array
361
9.68
60
Sweet Harvest
617
8.75
77
Point to Segment Distance
582
8.85
176
Say 100
395
9.53
86
Brainfuck Interpreter
549
8.96
195
Mul Two
346
9.76
143
Extended Euclidean Algorithm
433
9.37
71
Fibonacci Divisibility Advanced
543
8.97
91
Game of 2048
508
9.09
191
Spaceship Weight Fraud
340
9.79
119
Brain Fibo
453
9.29
101
Gradient Calculation
474
9.21
206
Base-32 Encoding
308
9.96
82
Levenshtein Distance
485
9.17
398
Collecting Diamonds
csfpython
5
16.80
89
Instrument Tuner
454
9.28
131
Four Pics One Word
384
9.57
189
Dynamic Web Page
300
10.00
64
Maze Pathfinder
471
9.22
366
Image Cutting
oezguery
48
13.16
79
Cycles Detection
434
9.36
92
Binary Heap
411
9.46
150
Introducing Regexps
328
9.85
126
Sequence of Squares
354
9.72
136
Variable Length Code Unpack
339
9.79
170
Binary Search in Array
289
10.07
197
Loops in Assembly
255
10.28
167
Copy Line
291
10.06
83
Graph Generator
390
9.55
384
Equal Hamming Distance
csfpython
21
14.55
301
Skyscraper Price
122
11.56
374
Longest Common Subsequence
33
13.79
90
Lexicographic Permutations
374
9.62
154
Breadth First Search
293
10.04
78
Bezier Curves
375
9.62
371
Pages to Print
34
13.74
117
Divide by Two
319
9.90
393
Urban Planning
csfpython
9
15.92
99
Uphill Shooting
332
9.83
390
Card Pairing Solitaire
12
15.46
65
Transitive Closure on Candy States
360
9.69
144
Modular Inverse
271
10.18
155
Depth First Search
257
10.27
174
Calculation of Pi
234
10.43
161
Topological Sorting
241
10.38
389
Binary Split Guessing Game
csfpython
12
15.46
165
Safe Landing
228
10.48
133
Billiard Ball
258
10.26
190
Query String Parameters
201
10.70
368
Number Base Palindrome
csfpython
31
13.90
323
Next Palindrome
csfpython
72
12.46
140
Proper Bracket Sequences
240
10.39
184
Matches Picking
quandray
198
10.72
360
Whisky Blending
csfpython
37
13.60
381
Finding Squares
csfpython
18
14.80
76
Pawn Move Validator
290
10.06
96
Snake Arcade
271
10.18
372
String Minimization
25
14.26
103
Easter Eggs
256
10.28
395
Growth of Micro-Organisms
csfpython
5
16.80
388
Fibonacci Guessing Game
11
15.60
123
Knapsack of Integers
238
10.40
130
Combinations with Repetitions
228
10.48
93
Starving Priority Queue
258
10.26
173
Chords of Music
190
10.79
125
Bogosort
230
10.46
337
Introducing Zeckendorf
csfpython
53
12.99
84
Dijkstra in the Network
263
10.23
392
Fixing an Anagram
7
16.30
109
Lucky Tickets
226
10.49
146
Color Cubes
197
10.73
364
Arthur Engel's Randomizer
28
14.07
151
Word Ladders
189
10.80
208
Neighborhood of a String
143
11.28
329
Roman Arithmetic
csfpython
53
12.99
164
Page Rank
171
10.97
129
Enumerating Combinations
196
10.74
138
Huffman Coding
185
10.84
194
Convex Hull and Farmers
145
11.26
359
Find 3 Numbers
csfpython
29
14.01
139
Beam Balance and Masses
182
10.87
386
Advent Calendar Chocolate
gardengnome
10
15.75
201
Point in Polygon
137
11.36
199
Employees Web App
138
11.34
152
RSA Cryptography
161
11.08
192
Gangster Battles
135
11.38
137
Shannon-Fano Coding
168
11.01
394
Many Shortest Routes
csfpython
4
17.12
111
Necklace Count
176
10.92
397
Trading Bot
2
18.01
244
Introducing SQL
90
12.08
110
Lucky Tickets Advanced
166
11.03
168
Caesar meets BF
132
11.42
269
Fibonacci coding
71
12.49
202
Dancing Pairs
107
11.78
198
Prn Hex Str
109
11.75
179
Look and Say binary
119
11.60
245
Aggregations in SQL
82
12.24
148
Public Key Cryptography Intro
133
11.41
214
Sick Travellers
98
11.93
162
Rubik's Cube
125
11.52
379
Dice with Infinity Sides
telebashna
11
15.60
124
Knapsack Backtracking
141
11.31
182
Frodo and Black Riders
110
11.74
106
Random Search Optimization
148
11.22
396
Chocolate Triangles and BF
moxieman
2
18.01
177
Nim Game
111
11.72
253
Beautiful Line Chart
73
12.44
294
Vigenere Cipher
52
13.02
185
Simple 3D Scene
104
11.83
160
Social Web Scraper
115
11.66
383
E2C2S - try harder!
gardengnome
8
16.10
102
Travelling Salesman
139
11.33
157
Emirp primE
113
11.69
376
Cartesian Tree Visualization
11
15.60
158
Hamming Codes
111
11.72
258
Text Justification
63
12.69
246
Joins in SQL
67
12.59
281
Basic Tokenizer
51
13.05
159
Hard Life
103
11.85
277
The Adventure of Morse Code
zelevin
52
13.02
196
Fibonacci Randomizer
85
12.18
291
Squirrels vs. Acorns
zelevin
45
13.27
351
Nicomachus
20
14.63
375
Space Invaders
10
15.75
335
Venus Visible
26
14.19
153
Fermat goes hacking RSA
99
11.92
382
Die Throw Sequences
csfpython
7
16.30
265
Update in SQL
52
13.02
100
Crossing the Road
114
11.67
115
Gradient Descent for SLE
107
11.78
141
Sliding Window Search
97
11.95
186
Simple 3D Scene (cont)
80
12.28
210
Ticket Puzzle
69
12.54
391
Scout Proficiency Badges
csfpython
3
17.51
209
Suffix Array Advanced
69
12.54
363
Language Detector
13
15.33
166
Page Rank as Eigenvector
82
12.24
193
Maximum Flow
72
12.46
142
LZ77 decompression
89
12.10
203
Tic-Tac-Toe Minimax Algorithm
67
12.59
352
Hurkle
16
14.99
219
Neural Network Calculation
61
12.75
387
Big Numbers
csfpython
4
17.12
334
Find all of the SETs
csfpython
21
14.55
315
Count the Common Factors
csfpython
27
14.13
112
Travelling Salesman Inverted
92
12.04
274
Two Buckets
40
13.47
216
Cracking Linear Congruential Generator
58
12.83
354
Too Many Divisors
csfpython
14
15.21
113
Ground Zero
89
12.10
353
Hurkle Hunter
14
15.21
132
Stream Cipher Breaking
80
12.28
175
Algae Robot
66
12.61
163
Colliding Balls
69
12.54
378
Space Invaders Automation
6
16.54
347
Unwanted Multiples
csfpython
15
15.10
205
Clustering the Stars
56
12.89
200
Fizz Buzz in Asm
57
12.86
367
Roguelike 1d
9
15.92
259
Easter Bunnies
gardengnome
39
13.51
230
Move-To-Front Transform
47
13.19
107
Knight's Tour
81
12.26
358
Mandelbrot Set
11
15.60
380
Treap Study
5
16.80
292
Factorial Trailing Zeroes
29
14.01
204
Wandering Star
53
12.99
241
Village Ways
42
13.38
293
Sums of Triplets
28
14.07
330
Easter Bunnies Are Back
gardengnome
18
14.80
212
BCD to Hex
49
13.12
307
The Problem of Too Many Clues
zelevin
23
14.40
338
Throwing Easter Eggs
gardengnome
15
15.10
362
Euclid, Manhattan and Chebyshev
9
15.92
346
Long Decimal Fractions
csfpython
13
15.33
218
Rain Must Fall
DE
45
13.27
349
Burrows
gardengnome
12
15.46
357
Ulam's Prime Spiral
10
15.75
361
Rogue Mazes
9
15.92
257
Missing Records in SQL
34
13.74
149
Prime Chains
60
12.78
233
Language Study
39
13.51
324
Merge Sort
17
14.90
147
Color Cubes Advanced
55
12.92
178
Maze of the Wumpus
48
13.16
223
Introducing Scheme
37
13.60
180
Simple Game of Sticks
46
13.23
118
Maxit Single-Player
59
12.80
297
Collatz in the Range
21
14.55
339
Parking Lot
12
15.46
299
Tree Visualizer
20
14.63
287
Palindrome Frog
csfpython
22
14.47
296
Tree Value
RU
csfpython
20
14.63
255
LCM of a range
28
14.07
229
Burrows-Wheeler Transform
33
13.79
340
Zeckendorf Lite
csfpython
11
15.60
313
Seven Segment Decoder
16
14.99
344
Throwing Easter Eggs Part 2
gardengnome
10
15.75
183
Connect Four
40
13.47
298
Revoltle
zelevin
18
14.80
247
Towers of Hanoi
27
14.13
341
Zeckendorf Advanced
csfpython
10
15.75
312
The Shredder Conundrum
zelevin
15
15.10
270
Hexlife
22
14.47
290
Every Leaf on Every Tree
zelevin
18
14.80
284
Rotate Array In-Place
19
14.71
331
Rotating Toy Display
csfpython
11
15.60
282
Predictable Board Game
csfpython
19
14.71
286
Self-Printing Program
18
14.80
249
Turing Increment
24
14.32
217
Personality Swap
29
14.01
326
Sum Them Forth
11
15.60
332
Easter Bunnies 2D Are Back
gardengnome
10
15.75
261
Easter Bunnies 2D
gardengnome
21
14.55
350
Colourful Egg Sequences
gardengnome
7
16.30
238
Bear Hunt
24
14.32
369
Flappy Bird
4
17.12
275
Three Buckets
18
14.80
268
Logic Transformation
19
14.71
234
Train Merge
24
14.32
314
The Sorites Solution
zelevin
12
15.46
300
Run-Length Encoding
14
15.21
169
Automated Landing
33
13.79
285
Rotate Matrix In Place
16
14.99
345
Elliptic Curves Basics
7
16.30
243
Grille Encryption
21
14.55
271
A Knight some Trolls and a Princess
csfpython
17
14.90
256
Rook Jump Maze
19
14.71
336
Currency Arbitrage
8
16.10
343
Village of Ticks
7
16.30
306
Line Drawing Algorithm
12
15.46
365
Flower Border Arrangements
csfpython
4
17.12
213
Micro-Life
SK
24
14.32
250
Turing Clone
19
14.71
333
Happy Triplets
8
16.10
370
Jewels
3
17.51
220
Neural Network Training
21
14.55
311
The Mirror Maze
zelevin
10
15.75
309
Board Game Sequences
csfpython
10
15.75
289
The Case of the Desperate Mastermind
zelevin
12
15.46
288
Langton's Ant
csfpython
12
15.46
276
Lucky Pairs
csfpython
13
15.33
303
Towers Under Cover
10
15.75
266
Pancake Sorting
14
15.21
320
Accordion
pearlbarley
8
16.10
319
Tower of Hanoi Rules
csfpython
8
16.10
328
Beep Beep Beep
7
16.30
355
Robots Game
4
17.12
279
Two Buckets Advanced
csfpython
12
15.46
260
Low Cost Road Network
csfpython
14
15.21
231
Dice Black Jack
17
14.90
325
Ultimate Sort Trial
7
16.30
373
Railroad Rat
csfpython
2
18.01
305
The Catacombs of Chronos
zelevin
9
15.92
254
Rule 30 by Turing
14
15.21
263
Easter Bunnies 3D
gardengnome
13
15.33
322
Gray Decoder
7
16.30
262
Easter Bunnies 2D Advanced
gardengnome
13
15.33
342
Adaptive Arithmetic Coding
5
16.80
221
XWords
quandray
17
14.90
310
Board Game Sequences Advanced
csfpython
8
16.10
308
Circle Drawing Algorithm
8
16.10
222
Easter Eggs Advanced
16
14.99
295
Vigenere Cipher Cracker
9
15.92
316
Apogee
7
16.30
304
Ordered Brackets
csfpython
8
16.10
242
Comment Stripper
13
15.33
356
Robots Game Autoplay
3
17.51
235
Train Merge Advanced
13
15.33
327
Dobbin's Long Journey
csfpython
5
16.80
215
Klotski
SK
13
15.33
267
Turing Maze
9
15.92
237
Road Network Destruction
11
15.60
302
Sound-Controlled Robot
6
16.54
227
Hashtable Implementation
11
15.60
226
Multiplicative Persistence Backtrace
11
15.60
225
Hamurabi
11
15.60
283
Predictable Board Game on 10 Boards
csfpython
7
16.30
264
Party Presents
csfpython
8
16.10
248
Christmas Puzzle
9
15.92
278
Polyomino Generation
7
16.30
224
Transposing List of Lists
10
15.75
317
Launch to Orbit
4
17.12
348
Trick-Taking Game
2
18.01
273
Logic Glitches
6
16.54
236
Is the Earth Flat
8
16.10
252
Shadok and Gibis
7
16.30
251
Radio Spies
7
16.30
321
Hanoi Tower Heights
csfpython
3
17.51
232
Shift Register Randomizer
7
16.30
272
Hexplore
5
16.80
240
Playfair Cipher Cracking
6
16.54
280
Three Buckets Re-visited
csfpython
4
17.12
239
Foxes and Geese
5
16.80
318
Launch to Orbit automated
2
18.01
228
Maze Mapping Robot
5
16.80