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Adaptive Python
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Reviews
1
Intro
1.1 Welcome!
≈ 1 min.
4010
4010
2
Problems
2.1 Squirrels and nuts
≈ 4 min.
2650
847
2.2 Squirrels and nuts - 2
≈ 2 min.
1150
626
2.3 Snail
≈ 13 min.
949
452
2.4 MKAD
≈ 11 min.
851
452
2.5 Difference of times
≈ 7 min.
745
480
2.6 Digital watches
≈ 18 min.
612
370
2.7 Purchase pies
≈ 7 min.
804
509
2.8 Desks
≈ 8 min.
505
394
2.9 Next even number
≈ 3 min.
729
667
2.10 The sum of digits of a three-digit number
≈ 3 min.
675
618
2.11 The number of tens
≈ 5 min.
745
610
2.12 First digit of the two-digit number
≈ 2 min.
635
610
2.13 The last number
≈ 1 min.
527
520
2.14 Reversing
≈ 3 min.
518
497
2.15 Power
≈ 2 min.
328
306
2.16 Chocolate
≈ 13 min.
409
220
2.17 Leap year
≈ 6 min.
508
389
2.18 Calculator
≈ 15 min.
493
267
2.19 Swimming pool
≈ 14 min.
378
219
2.20 Triangle
≈ 7 min.
452
346
2.21 Interval
≈ 4 min.
252
213
2.22 Healthy sleep
≈ 6 min.
371
250
2.23 Floor-space of the room
≈ 13 min.
402
273
2.24 Robot
≈ 5 min.
427
310
2.25 Shape
≈ 6 min.
377
305
2.26 Direction
≈ 6 min.
379
315
2.27 System of linear equations
≈ 160 min.
310
40
2.28 Symmetrical number
≈ 9 min.
336
243
2.29 Positive number
≈ 2 min.
329
269
2.30 Chess board
≈ 7 min.
361
203
2.31 Heron's formula
≈ 4 min.
264
222
2.32 Fractional part
≈ 4 min.
440
345
2.33 Fractional part 2
≈ 4 min.
204
165
2.34 Deposit
≈ 20 min.
278
120
2.35 Quadratic equation
≈ 15 min.
211
126
2.36 Distance
≈ 2 min.
398
357
2.37 Arithmetic average
≈ 6 min.
248
193
2.38 Multiplication table
≈ 16 min.
225
122
2.39 The roots of equation
≈ 5 min.
145
75
2.40 Pie
≈ 10 min.
244
189
2.41 Sum of integers
≈ 3 min.
209
161
2.42 Grades
≈ 9 min.
330
208
2.43 Sum of numbers, divisible by 6
≈ 5 min.
233
177
2.44 Maximum element divisible by 4
≈ 6 min.
342
228
2.45 Sum of elements, ending by 4
≈ 5 min.
143
111
2.46 Fizz Buzz
≈ 9 min.
292
224
2.47 The interest rate
≈ 13 min.
179
77
2.48 Size of parts
≈ 7 min.
233
160
2.49 Sum of all elements
≈ 3 min.
225
188
2.50 Powers of two
≈ 4 min.
195
150
2.51 Squares of natural numbers
≈ 4 min.
153
117
2.52 Exact power of 2
≈ 6 min.
223
164
2.53 Length of the sequence
≈ 4 min.
233
189
2.54 The largest element of the sequence
≈ 3 min.
137
103
2.55 Sequence
≈ 9 min.
197
107
2.56 Sum of the squares
≈ 6 min.
258
199
2.57 The smallest natural divisor
≈ 5 min.
205
183
2.58 The average value
≈ 4 min.
198
144
2.59 Standard Deviation
≈ 9 min.
182
109
2.60 Division
≈ 7 min.
284
275
2.61 The smallest integer
≈ 7 min.
176
123
2.62 The lucky ticket
≈ 5 min.
187
163
2.63 The percentage of G and C characters
≈ 6 min.
231
190
2.64 Сompression algorithm
≈ 16 min.
336
232
2.65 The longest word
≈ 6 min.
287
228
2.66 Palindrome
≈ 4 min.
352
280
2.67 Spaces
≈ 3 min.
303
251
2.68 Contigs
≈ 4 min.
276
213
2.69 From Python code into Java code
≈ 8 min.
226
143
2.70 Riddle
≈ 6 min.
445
355
2.71 Grades 2
≈ 10 min.
343
262
2.72 Units of measurement
≈ 24 min.
201
95
2.73 Anagrams
≈ 10 min.
223
169
2.74 Substring
≈ 16 min.
268
178
2.75 100 years old
≈ 7 min.
356
246
2.76 Letters
≈ 20 min.
328
136
2.77 The slice of string
≈ 10 min.
350
153
2.78 Numbers
≈ 5 min.
263
243
2.79 Hello world!
≈ 1 min.
700
875
2.80 The same line
≈ 1 min.
330
367
2.81 Greeting
≈ 2 min.
349
396
2.82 Sum
≈ 3 min.
547
442
2.83 Sequence reversal
≈ 21 min.
169
99
2.84 Replacement
≈ 5 min.
238
196
2.85 IP address
≈ 17 min.
277
164
2.86 Containing the words
≈ 15 min.
288
162
2.87 Login and password
≈ 9 min.
407
349
2.88 Transform the symbol
≈ 2 min.
350
327
2.89 Uppercase
≈ 6 min.
450
370
2.90 Digit or not?
≈ 3 min.
245
208
2.91 Cover intervals with points
≈ 43 min.
187
45
2.92 Continuous backpack
≈ 35 min.
151
61
2.93 Huffman coding
≈ 86 min.
214
53
2.94 Huffman decoding
≈ 35 min.
308
103
2.95 Pairwise different summands
≈ 23 min.
173
76
2.96 Frequency of number
≈ 18 min.
150
51
2.97 The k-th order statistics
≈ 15 min.
125
20
2.98 The minimum number of coins
≈ 33 min.
75
22
2.99 The longest increasing subsequences
≈ 79 min.
100
28
2.100 Calculator
≈ 79 min.
96
24
2.101 Backpack
≈ 31 min.
71
22
2.102 Stairs
≈ 12 min.
73
21
2.103 Edit distance
≈ 26 min.
83
24
2.104 The largest consecutive-divisible subsequence
≈ 18 min.
114
21
2.105 Non-increasing subsequence
≈ 90 min.
81
16
2.106 Matrix
≈ 57 min.
154
25
2.107 Messages
≈ 63 min.
105
22
2.108 Various sum
≈ 20 min.
338
40
2.109 The rabbit and the ladder
≈ 42 min.
71
18
2.110 Binary search
≈ 14 min.
68
27
2.111 Binary search 2
≈ 31 min.
171
29
2.112 The number of inversions
≈ 52 min.
124
37
2.113 Points and intervals
≈ 26 min.
102
16
2.114 Counting sort
≈ 7 min.
166
90
2.115 Polygonal curve
≈ 19 min.
161
56
2.116 Colored intervals
≈ 45 min.
67
19
2.117 Sort the sequence
≈ 11 min.
92
32
2.118 Radix sort
≈ 27 min.
109
30
2.119 Insertion sort
≈ 8 min.
92
57
2.120 Arithmetic progression
≈ 14 min.
123
75
2.121 Sorting
≈ 11 min.
106
62
2.122 Swap or skip
≈ 15 min.
209
106
2.123 The smallest possible number
≈ 63 min.
206
35
2.124 Almost representative of the majority
≈ 9 min.
76
39
2.125 Priority Queue
≈ 43 min.
379
145
2.126 Greedy
≈ 82 min.
279
69
2.127 Set of strings
≈ 46 min.
291
73
2.128 Sort the time moments
≈ 13 min.
155
85
2.129 Binary tree
≈ 37 min.
101
27
2.130 Military unit
≈ 44 min.
90
24
2.131 Realization of the matrix
≈ 22 min.
195
84
2.132 Transform array
≈ 12 min.
89
38
2.133 Read data from that file
≈ 22 min.
92
30
2.134 Matrices
≈ 9 min.
92
39
2.135 Arguments
≈ 7 min.
147
99
2.136 Perimeter of the circle
≈ 3 min.
121
95
2.137 Count the number of lines in file
≈ 9 min.
76
29
2.138 Date
≈ 15 min.
187
99
2.139 The problem to calculate TF-IDF
≈ 14 min.
214
62
2.140 WordCount
≈ 7 min.
121
33
2.141 The problem of calculating the average time
≈ 44 min.
118
56
2.142 Linear algebraic equations
≈ 51 min.
61
14
2.143 K-combinations of n elements
≈ 25 min.
159
63
2.144 System of linear algebraic equations
≈ 28 min.
168
31
2.145 Catalan numbers
≈ 74 min.
206
34
2.146 Calculate the Catalan number
≈ 29 min.
69
34
2.147 Buffer class
≈ 15 min.
94
51
2.148 Money Box
≈ 6 min.
75
40
2.149 Poker
≈ 4 min.
78
28
2.150 Fool
≈ 12 min.
66
30
2.151 Loggable List
≈ 10 min.
110
41
2.152 An extended stack
≈ 11 min.
86
43
2.153 Inheritance
≈ 12 min.
76
26
2.154 An algorithm to decode strings
≈ 26 min.
277
149
2.155 The Caesar cipher
≈ 19 min.
206
112
2.156 Run-length encoding
≈ 18 min.
266
175
2.157 The Caesar cipher 2
≈ 24 min.
171
63
2.158 Sum of two neighbouring numbers
≈ 14 min.
109
75
2.159 Method split
≈ 3 min.
299
225
2.160 Position in list
≈ 8 min.
133
96
2.161 List
≈ 9 min.
90
74
2.162 Simple list processing
≈ 8 min.
290
211
2.163 Line with integers
≈ 3 min.
176
115
2.164 List 2
≈ 3 min.
112
90
2.165 Repeated values
≈ 10 min.
163
128
2.166 Go through the array
≈ 16 min.
388
226
2.167 Checksums
≈ 10 min.
142
81
2.168 List of prime numbers
≈ 64 min.
195
83
2.169 The maximum pairwise product
≈ 11 min.
274
109
2.170 Finite simple continued fraction
≈ 24 min.
189
109
2.171 Small parser
≈ 9 min.
291
227
2.172 Maximum element in a matrix
≈ 16 min.
144
93
2.173 Matrix 2
≈ 11 min.
116
66
2.174 Star figure
≈ 15 min.
143
84
2.175 Cinema
≈ 20 min.
180
77
2.176 Transposition of the matrix
≈ 18 min.
164
91
2.177 Symmetric matrix
≈ 13 min.
122
83
2.178 K-th diagonal below the primary diagonal
≈ 20 min.
156
77
2.179 S-shape
≈ 35 min.
328
118
2.180 Rotate a rectangle array
≈ 18 min.
231
124
2.181 Swap the columns
≈ 17 min.
174
95
2.182 Two-dimensional array
≈ 54 min.
118
40
2.183 Сhess order
≈ 44 min.
124
56
2.184 Spiral
≈ 22 min.
133
71
2.185 Swap the elements in matrix
≈ 26 min.
123
65
2.186 Transposing
≈ 12 min.
220
128
2.187 Update dictionary
≈ 9 min.
202
123
2.188 The results of the function
≈ 11 min.
333
151
2.189 War and Peace
≈ 8 min.
194
142
2.190 Turtle
≈ 9 min.
109
70
2.191 Spell checker
≈ 19 min.
228
120
2.192 Substitution cipher
≈ 20 min.
496
248
2.193 Football teams
≈ 31 min.
237
124
2.194 Pete's homework
≈ 67 min.
180
61
2.195 Symmetric difference of sets
≈ 7 min.
158
133
2.196 How many different numbers are in list?
≈ 4 min.
241
168
2.197 Jolly jumper
≈ 16 min.
164
98
2.198 Value of the function
≈ 4 min.
158
112
2.199 Modify list
≈ 12 min.
108
71
2.200 Circle
≈ 10 min.
196
112
2.201 Minimum of two numbers
≈ 4 min.
116
89
2.202 Shaded area
≈ 38 min.
171
70
2.203 Square
≈ 6 min.
119
76
2.204 Distance
≈ 5 min.
148
96
2.205 Square 2
≈ 10 min.
121
65
2.206 The smallest number
≈ 5 min.
233
164
2.207 Sum of digits
≈ 5 min.
113
92
2.208 Expression 2
≈ 2 min.
108
88
2.209 Power 2
≈ 2 min.
152
104
2.210 Expression
≈ 4 min.
174
115
2.211 Find the resulting value
≈ 22 min.
88
39
2.212 Positive filter
≈ 5 min.
117
94
2.213 Exclude duplicates
≈ 4 min.
250
186
2.214 Fibonacci
≈ 7 min.
115
77
2.215 Sum of numbers
≈ 9 min.
170
139
2.216 Skyscraper
≈ 81 min.
120
25
2.217 Power 3
≈ 16 min.
208
126
2.218 N-th power
≈ 9 min.
146
91
2.219 Decompositions
≈ 39 min.
73
21
2.220 k-combination
≈ 8 min.
141
62
2.221 Tower of Hanoi
≈ 5 min.
101
38
2.222 Koch curve
≈ 25 min.
154
46
2.223 Collatz conjecture
≈ 6 min.
155
111
2.224 Double factorial
≈ 8 min.
191
137
2.225 The first and the last elements
≈ 4 min.
204
147
2.226 Find number
≈ 13 min.
200
139
2.227 Interpreter of the mathematical expression
≈ 8 min.
153
89
2.228 Mod checker
≈ 8 min.
147
72
2.229 A bit harder
≈ 64 min.
576
40
2.230 Repeats
≈ 23 min.
211
95
2.231 Grouping
≈ 32 min.
75
27
2.232 Replacement
≈ 24 min.
84
27
2.233 Sets of symbols
≈ 12 min.
171
82
2.234 Character by character match
≈ 6 min.
214
135
2.235 Vehicle registration number
≈ 12 min.
247
97
2.236 Phone number
≈ 12 min.
218
157
2.237 Secure sum
≈ 11 min.
163
73
2.238 Catch me, if you can
≈ 7 min.
184
84
2.239 Exceptions on the stack
≈ 49 min.
237
31
2.240 Exeptions 2
≈ 14 min.
91
46
2.241 Exceptions
≈ 5 min.
108
64
2.242 Positive list
≈ 8 min.
64
25
2.243 Awkward situation
≈ 52 min.
113
27
2.244 The average height of a student
≈ 22 min.
76
21
2.245 Repetition coding
≈ 20 min.
201
70
2.246 The most frequent word
≈ 23 min.
108
47
2.247 Students’ performance data
≈ 16 min.
106
34
2.248 Next file
≈ 20 min.
314
62
2.249 Generate the new text file
≈ 7 min.
142
65
2.250 Even-numbered lines
≈ 11 min.
103
41
2.251 LCD-calculator
≈ 31 min.
157
72
2.252 Derivative of the polynomial
≈ 71 min.
113
32
2.253 Conway's Game of Life
≈ 56 min.
259
75
2.254 Coverting from decimal into Roman system
≈ 19 min.
189
100
2.255 From Roman system into the decimal
≈ 23 min.
321
162
2.256 Minesweeper game
≈ 39 min.
269
120
2.257 Number of occurrences
≈ 10 min.
223
133
2.258 Prime numbers
≈ 23 min.
389
135
2.259 Phoebe Iterson
≈ 32 min.
71
23
2.260 Implementation of the multifilter class
≈ 24 min.
103
24
2.261 Work with the API 2
≈ 17 min.
121
40
2.262 Work with the API
≈ 37 min.
162
22
2.263 Change Problem
≈ 21 min.
115
43
2.264 The shortest distance
≈ 24 min.
139
63
2.265 Strict local maximums
≈ 14 min.
194
119
2.266 Binary logarithm
≈ 9 min.
157
101
2.267 Shoe store
≈ 25 min.
91
30
2.268 Participants of Olympiad
≈ 21 min.
174
68
2.269 Points
≈ 17 min.
197
96
2.270 Gradebook
≈ 22 min.
227
71
2.271 The N-th Fibonacci number
≈ 9 min.
161
92
2.272 The N-th Fibonacci number - 2
≈ 13 min.
72
24
2.273 Last digit
≈ 12 min.
87
35
2.274 Relatively prime numbers
≈ 57 min.
108
33
2.275 The smallest integer
≈ 16 min.
179
87
2.276 The greatest common denominator
≈ 9 min.
217
134
2.277 Queens
≈ 38 min.
73
36
2.278 Sequence of integers
≈ 13 min.
196
121
2.279 Cyclically shift
≈ 7 min.
171
118
2.280 Pairs
≈ 13 min.
205
116
2.281 Bowling pins
≈ 16 min.
189
121
2.282 Swap neighbouring items
≈ 10 min.
164
117
2.283 Shift
≈ 11 min.
92
65
2.284 Step matrix
≈ 19 min.
95
47
2.285 Synonyms
≈ 10 min.
228
124
2.286 Sequence of positive integers
≈ 8 min.
372
237
2.287 String with numbers
≈ 6 min.
397
314
2.288 Substring
≈ 10 min.
270
175
2.289 Replacement
≈ 13 min.
360
121
2.290 The second word
≈ 3 min.
412
348
2.291 Remove letters
≈ 4 min.
376
332
2.292 String Composition Problem
≈ 17 min.
213
93
2.293 Vacation problem
≈ 14 min.
358
307
2.294 Two boxes
≈ 15 min.
159
78
2.295 Graphics
≈ 14 min.
204
106
2.296 Chess board
≈ 12 min.
516
301
2.297 Horses on a chess board
≈ 13 min.
340
206
2.298 Matrix multiplication
≈ 26 min.
66
27
2.299 Solution in Natural Numbers
≈ 34 min.
411
99
2.300 Prime factorization
≈ 11 min.
91
49
2.301 Breakpoints in a permutation
≈ 29 min.
53
19
2.302 Spanish-Latin dictionary
≈ 45 min.
667
249
2.303 Turnpike Problem
49
6
2.304 Adjacency matrix
≈ 15 min.
82
39
2.305 Backslash
≈ 4 min.
108
58
2.306 Find a cat
≈ 13 min.
302
135
2.307 Swap letters
≈ 16 min.
166
54
2.308 Two letters "z"
≈ 6 min.
95
54
2.309 Find a cat - 2
≈ 4 min.
138
80
2.310 Tandem repeat
≈ 13 min.
154
57
2.311 Replacement
≈ 6 min.
210
119
2.312 Binary notation
≈ 16 min.
127
55
2.313 Multiple identical letters
≈ 6 min.
59
38
2.314 Replacement - 3
≈ 8 min.
97
52
2.315 Pattern
≈ 7 min.
227
124
2.316 Re-occurrence of a symbol
≈ 14 min.
149
68
2.317 Sets of symbols
≈ 5 min.
82
45
2.318 Assignments - 2
≈ 22 min.
78
23
2.319 Namespace
≈ 33 min.
81
27
2.320 JSON format
≈ 20 min.
73
23
2.321 Using standard library
≈ 19 min.
103
33
2.322 XML format
≈ 30 min.
111
39
2.323 HTML-pages
≈ 38 min.
152
36
2.324 HTML-file
≈ 3 min.
119
25
2.325 Message encoding
≈ 5 min.
284
244
2.326 Encode the message
≈ 5 min.
233
175
2.327 Decode the message
≈ 9 min.
176
134
2.328 ASCII table
≈ 7 min.
379
281
2.329 Assigments
≈ 15 min.
85
24
2.330 Remove all whitespace
≈ 20 min.
138
60
2.331 Smiley face
≈ 28 min.
90
31
2.332 The Shortest Non-Shared Substring Problem
≈ 20 min.
292
38
2.333 The Longest Repeat Problem
≈ 31 min.
63
23
2.334 The Longest Shared Substring Problem
≈ 15 min.
60
22
2.335 Surface area
≈ 18 min.
192
123
2.336 Converting Fahrenheit to Celsius
≈ 4 min.
77
44
2.337 True or False?
≈ 3 min.
212
178
2.338 Final amount of loan
≈ 6 min.
320
258
2.339 Square of the hypotenuse
≈ 4 min.
146
89
2.340 Karatsuba algorithm
≈ 17 min.
167
53
2.341 Linear regression
≈ 74 min.
135
24
2.342 Deque
≈ 26 min.
148
50
2.343 Bracket sequence
≈ 41 min.
76
16
2.344 How many numbers?
≈ 17 min.
74
15
2.345 Histogram
≈ 22 min.
85
17
2.346 Linear regression
≈ 42 min.
134
13
2.347 PyCharm Edu
≈ 17 min.
629
291
2.348 Theory. Integer
≈ 2 min.
114
114
2.349 Theory. Modulo operation
≈ 1 min.
34
34
2.350 Theory. Statement
≈ 1 min.
26
26
2.351 Theory. Data type
≈ 1 min.
30
30
2.352 Theory. Input/output
≈ 1 min.
115
115
2.353 Theory. While loop
≈ 1 min.
37
37
2.354 Theory. Exponentiation
≈ 1 min.
26
26
2.355 Theory. Conditional
≈ 2 min.
68
68
2.356 Theory. Floating point
≈ 1 min.
47
47
2.357 Theory. For loop
≈ 1 min.
36
36
2.358 Theory. Factorial
≈ 1 min.
24
24
2.359 Theory. String
≈ 1 min.
42
42
2.360 Theory. Character
≈ 1 min.
19
19
2.361 Theory. Associative array
≈ 2 min.
34
34
2.362 Theory. "Hello world!"
≈ 1 min.
24
24
2.363 Theory. Abstract data type
≈ 1 min.
21
21
2.364 Theory. Classes
≈ 1 min.
28
28
2.365 Theory. Object-oriented programming
≈ 1 min.
29
29
2.366 Theory. Encoding
≈ 1 min.
18
18
2.367 Theory. List
≈ 1 min.
34
34
2.368 Theory. Parity
≈ 1 min.
19
19
2.369 Theory. Subroutine
≈ 3 min.
30
30
2.370 Theory. Loop
≈ 2 min.
61
61
2.371 Theory. Algorithms
≈ 1 min.
31
31
2.372 Theory. Sets
≈ 1 min.
27
27
2.373 Theory. Anonymous function
≈ 1 min.
20
20
2.374 Theory. Regular expression
≈ 1 min.
24
24
2.375 Theory. Text files
≈ 2 min.
22
22
2.376 Theory. Recursion
≈ 2 min.
27
27
2.377 Theory. Exceptions
≈ 2 min.
23
23
2.378 Theory. Generator
≈ 1 min.
39
39
2.379 Theory. Iterator
≈ 1 min.
45
45
2.380 Theory. CSV
≈ 2 min.
53
53
2.381 Theory. JSON
≈ 1 min.
77
77
