User: OldProgrammer

Position: #92 (among top 0.1%)
Rank ?: the doctor

Tasks solved: 169
of them for certificate: 130

Country: United Kingdom (Great Britain)

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Registered: Apr 12 2015
Last visit: Jan 31 2026 02:18



 
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Solutions list
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# Title Language Solution Date
1 Sum "A+B" C/C++ view
 Apr 12 2015
2 Sum in Loop C/C++ view
 Apr 12 2015
3 Sums in Loop C/C++ view
 Apr 12 2015
4 Minimum of Two C/C++ view
 Apr 12 2015
5 Minimum of Three C/C++ view
 Apr 12 2015
15 Maximum of array C/C++ view
 Apr 12 2015
6 Rounding C/C++ view
 Apr 12 2015
20 Vowel Count C/C++ view
 Apr 13 2015
41 Median of Three C/C++ view
 Apr 13 2015
21 Array Counters C/C++ view
 Apr 13 2015
30 Reverse String C/C++ view
 Apr 13 2015
59 Bulls and Cows C/C++ view
 Apr 13 2015
47 Caesar Shift Cipher C/C++ view
 Apr 13 2015
80 Duel Chances C/C++ view
 Apr 13 2015
81 Bit Count C/C++ view
 Apr 13 2015
31 Rotate String C/C++ view
 Apr 14 2015
17 Array Checksum C/C++ view
 Apr 14 2015
23 Bubble in Array C/C++ view
 Apr 14 2015
27 Bubble Sort C/C++ view
 Apr 14 2015
22 Two Printers C/C++ view
 Apr 15 2015
86 Brainfuck Interpreter C/C++ view
 Apr 15 2015
116 Summing Up Brainfuck view
 Apr 15 2015
114 Tricky Printing Brainfuck view
 Apr 16 2015
119 Brain Fibo Brainfuck view
 Apr 16 2015
117 Divide by Two Brainfuck view
 Apr 17 2015
126 Sequence of Squares Brainfuck view
 Apr 17 2015
167 Copy Line Brainfuck view
 Apr 18 2015
7 Fahrenheit to Celsius C/C++ view
 Apr 18 2015
28 Body Mass Index C/C++ view
 Apr 18 2015
43 Dice Rolling C/C++ view
 Apr 18 2015
13 Weighted sum of digits C/C++ view
 Apr 18 2015
11 Sum of digits C/C++ view
 Apr 18 2015
16 Average of an array C/C++ view
 Apr 18 2015
48 Collatz Sequence C/C++ view
 Apr 18 2015
14 Modular Calculator C/C++ view
 Apr 18 2015
8 Arithmetic Progression C/C++ view
 Apr 18 2015
9 Triangles C/C++ view
 Apr 19 2015
26 Greatest Common Divisor C/C++ view
 Apr 19 2015
29 Sort with Indexes C/C++ view
 Apr 19 2015
10 Linear Function C/C++ view
 Apr 19 2015
58 Card Names C/C++ view
 Apr 19 2015
38 Quadratic Equation C/C++ view
 Apr 20 2015
24 Neumann's Random Generator C/C++ view
 Apr 20 2015
32 Josephus Problem C/C++ view
 Apr 21 2015
134 Flying Text Screensaver C/C++ view
 Apr 21 2015
168 Caesar meets BF Brainfuck view
 Apr 22 2015
94 Fool's Day 2014 C/C++ view
 Apr 23 2015
19 Matching Brackets C/C++ view
 Apr 23 2015
50 Palindromes C/C++ view
 Apr 23 2015
49 Rock Paper Scissors C/C++ view
 Apr 23 2015
52 Pythagorean Theorem C/C++ view
 Apr 23 2015
61 Prime Numbers Generation C/C++ view
 Apr 23 2015
57 Smoothing the Weather C/C++ view
 Apr 23 2015
68 Bicycle Race C/C++ view
 Apr 23 2015
18 Square Root C/C++ view
 Apr 24 2015
44 Double Dice Roll C/C++ view
 Apr 24 2015
25 Linear Congruential Generator C/C++ view
 Apr 24 2015
12 Modulo and time difference C/C++ view
 Apr 24 2015
62 Prime Ranges C/C++ view
 Apr 24 2015
55 Matching Words C/C++ view
 Apr 26 2015
67 Fibonacci Sequence C/C++ view
 Apr 26 2015
120 Selection Sort C/C++ view
 Apr 26 2015
104 Triangle Area C/C++ view
 Apr 28 2015
128 Combinations Counting C/C++ view
 Apr 28 2015
34 Binary Search C/C++ view
 Apr 28 2015
87 Tree Builder C/C++ view
 Apr 29 2015
35 Savings Calculator C/C++ view
 Apr 29 2015
33 Parity Control C/C++ view
 Apr 29 2015
42 Blackjack Counting C/C++ view
 Apr 29 2015
53 King and Queen C/C++ view
 Apr 29 2015
72 Funny Words Generator C/C++ view
 Apr 29 2015
63 Integer Factorization C/C++ view
 Apr 30 2015
45 Cards Shuffling C/C++ view
 May 1 2015
121 Insertion Sort C/C++ view
 May 1 2015
69 Fibonacci Divisibility C/C++ view
 May 1 2015
71 Fibonacci Divisibility Advanced C/C++ view
 May 2 2015
150 Introducing Regexps RegExp view
 May 2 2015
145 Modular Exponentiation C/C++ view
 May 2 2015
127 Anagrams C/C++ view
 May 2 2015
70 Most Frequent Word C/C++ view
 May 3 2015
122 QuickSort C/C++ view
 May 3 2015
195 Mul Two Asm4004 view
 May 3 2015
197 Loops in Assembly Asm4004 view
 May 3 2015
198 Prn Hex Str Asm4004 view
 May 3 2015
46 Tic-Tac-Toe C/C++ view
 May 3 2015
75 Yacht or Dice Poker C/C++ view
 May 3 2015
135 Variable Length Code C/C++ view
 May 3 2015
36 Code Guesser C/C++ view
 May 10 2015
170 Binary Search in Array C/C++ view
 May 11 2015
73 Hexagonal Grid C/C++ view
 May 11 2015
37 Mortgage Calculator C/C++ view
 May 11 2015
92 Binary Heap C/C++ view
 May 12 2015
77 Point to Segment Distance C/C++ view
 May 14 2015
181 Reverse Polish Notation C/C++ view
 May 14 2015
90 Lexicographic Permutations C/C++ view
 May 14 2015
54 Pythagorean Triples C/C++ view
 May 17 2015
74 Clock Hands C/C++ view
 May 17 2015
171 Tree Height Measurement C/C++ view
 May 18 2015
172 Cloud Altitude Measurement C/C++ view
 May 18 2015
105 Convex Polygon Area C/C++ view
 May 18 2015
66 Caesar Cipher Cracker C/C++ view
 May 19 2015
39 Share Price Volatility C/C++ view
 May 19 2015
136 Variable Length Code Unpack C/C++ view
 May 21 2015
60 Sweet Harvest C/C++ view
 May 21 2015
97 Girls and Pigs C/C++ view
 May 22 2015
40 Paths in the Grid C/C++ view
 May 24 2015
129 Enumerating Combinations C/C++ view
 May 28 2015
143 Extended Euclidean Algorithm C/C++ view
 May 29 2015
130 Combinations with Repetitions C/C++ view
 May 29 2015
101 Gradient Calculation C/C++ view
 May 30 2015
88 Pitch and Notes C/C++ view
 May 30 2015
89 Instrument Tuner C/C++ view
 May 30 2015
144 Modular Inverse C/C++ view
 May 31 2015
156 Luhn Algorithm C/C++ view
 May 31 2015
95 Simple Linear Regression C/C++ view
 May 31 2015
91 Game of 2048 C/C++ view
 May 31 2015
85 Rotation in 2D Space C/C++ view
 May 31 2015
65 Transitive Closure on Candy States C/C++ view
 Jun 1 2015
83 Graph Generator C/C++ view
 Jun 2 2015
93 Starving Priority Queue C/C++ view
 Jun 2 2015
98 Azimuth at Treasure Island C/C++ view
 Jun 2 2015
191 Spaceship Weight Fraud C/C++ view
 Jun 4 2015
154 Breadth First Search C/C++ view
 Jun 4 2015
155 Depth First Search C/C++ view
 Jun 5 2015
99 Uphill Shooting C/C++ view
 Jun 7 2015
161 Topological Sorting C/C++ view
 Jun 12 2015
84 Dijkstra in the Network C/C++ view
 Jun 13 2015
123 Knapsack of Integers C/C++ view
 Jun 14 2015
124 Knapsack Backtracking C/C++ view
 Jun 15 2015
115 Gradient Descent for SLE C/C++ view
 Jun 15 2015
194 Convex Hull and Farmers C/C++ view
 Jun 16 2015
103 Easter Eggs C/C++ view
 Jun 18 2015
56 Life is Simple C/C++ view
 Jun 22 2015
133 Billiard Ball C/C++ view
 Jun 23 2015
163 Colliding Balls C/C++ view
 Jun 24 2015
51 Dungeons and Dragons Dice C/C++ view
 Jun 27 2015
151 Word Ladders C/C++ view
 Jun 28 2015
106 Random Search Optimization C/C++ view
 Jul 2 2015
165 Safe Landing C/C++ view
 Jul 3 2015
139 Beam Balance and Masses C/C++ view
 Jul 11 2015
140 Proper Bracket Sequences C/C++ view
 Jul 14 2015
192 Gangster Battles C/C++ view
 Jul 20 2015
206 Base-32 Encoding C/C++ view
 Jul 21 2015
79 Cycles Detection C/C++ view
 Jul 27 2015
182 Frodo and Black Riders C/C++ view
 Aug 24 2015
179 Look and Say binary C/C++ view
 Dec 25 2015
109 Lucky Tickets C/C++ view
 Mar 2 2016
110 Lucky Tickets Advanced Java view
 Mar 2 2016
205 Clustering the Stars C/C++ view
 Mar 14 2016
164 Page Rank C/C++ view
 Mar 15 2016
166 Page Rank as Eigenvector C/C++ view
 Mar 16 2016
118 Maxit Single-Player C/C++ view
 Mar 19 2016
207 Suffix Array Java view
 Feb 8 2017
149 Prime Chains Java view
 Feb 13 2017
102 Travelling Salesman Java view
 Feb 15 2017
112 Travelling Salesman Inverted Java view
 Feb 16 2017
112 Travelling Salesman Inverted Python view
 Feb 19 2017
113 Ground Zero C/C++ view
 Feb 27 2017
162 Rubik's Cube C/C++ view
 Mar 10 2020
108 Star Medals Python view
 Mar 12 2020
108 Star Medals C/C++ view
 Mar 12 2020
131 Four Pics One Word C/C++ view
 Mar 15 2020
175 Algae Robot C/C++ view
 Mar 24 2020
223 Introducing Scheme Scheme view
 Mar 5 2021
224 Transposing List of Lists Scheme view
 Mar 5 2021
227 Hashtable Implementation Scheme view
 Mar 22 2021
230 Move-To-Front Transform C/C++ view
 Apr 1 2021
203 Tic-Tac-Toe Minimax Algorithm C/C++ view
 Apr 4 2021
245 Aggregations in SQL Python view
 Dec 4 2021
245 Aggregations in SQL SQL view
 Dec 4 2021
244 Introducing SQL SQL view
 Dec 4 2021
242 Comment Stripper RegExp view
 Dec 5 2021

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