Code of Clash

A collection of 229 short, timed coding challenges completed around four years ago and later cleaned up for terminal use. Each challenge keeps its task, examples, original notes, and available solutions together. Solutions are present for 225 challenges; four directories preserve task notes only.

Structure

challenges/
  001-challenge-name/
    original.md
    example-input.txt
    example-output.txt
    solution.php
    solution.py
    variant-language-2.ext

Solutions are included in PHP, Python, JavaScript, Java, C#, Ruby, and Go. No third-party dependencies are required.

Run a solution from the repository root, passing its example input when available:

php challenges/001-challenge-name/solution.php < challenges/001-challenge-name/example-input.txt
python3 challenges/001-challenge-name/solution.py < challenges/001-challenge-name/example-input.txt
node challenges/001-challenge-name/solution.js < challenges/001-challenge-name/example-input.txt

Challenges

#	Challenge	Short description	Languages
1	2numbers Echo Alphabet	Repeat the alphabet using the product of two input numbers.	PHP
2	Any Numbers Of Three Multiplay	Given an three integers a, b ,c.	Java, PHP
3	Array Fill Multi Dimensional	The game mode is REVERSE: You do not have access to the statement.	JavaScript, PHP
4	Array Of Pairs Get Unique Value	out of array of pairs get unique value for example 2 4 4 2 1 get 1	PHP, Ruby
5	Ascii To String Brain Fuck	Brainf**k is a programming language designed to be extremely lightweight.	PHP
6	Baseball Players Batting Average Score Number	In baseball, a player's batting average is defined as his total number of hits (singles, doubles,...	PHP, Python
7	Between Two Coordinates Calculate Distance In1 Number	You are given 2 points, find the distance between them, output the result rounded down.	PHP
8	Bind With Subol And Int Number Little Man Pattern	6	PHP, Python
9	Bruh Number	A bruh number of n is square of sum digits of n	PHP
10	Burger Problem	This is Bob:	JavaScript
11	Calculate If You Can Fuel The Spaceship In Time Numbers	You need to calculate if it is possible to fuel up a spaceship within the number of seconds allow...	PHP
12	Calculate Lawn And Tree Foliage Number	Max has a W per L meters lawn on which there are N bushy trees.	PHP, Python
13	Calculate Network Host Count	You need to calculate how many hosts are possible to be in a IPv4 network.	JavaScript, Python
14	Calculate Numbers Of Archibald Haddock Cruise Company Boat Speed Number	Your friend Archibald Haddock is about to start a river cruise company.	JavaScript
15	Calculate Pay For Apartment	A man wants to rent an apartment in the city center.	PHP, Python
16	Calculate Pens Needed To Write String	You're given a pens, each pen can write up to b characters.	PHP, Python
17	Categorize Number	The program:	PHP
18	Censor String	Goal	JavaScript
19	Check If Number Is Harshand Number	A Harshad number is an integer that is divisible by the sum of its own digits.	PHP
20	Check If String Is Captain Corgy Age Echo Number	In the old parchment there is a lot of information, among all this information includes the age o...	JavaScript, PHP
21	Check If String Upper Or Lower	Given a line of alphabetic characters, extract all the uppercase characters to print them on the...	PHP
22	Check If String Upper Or Lower And Sort	The game mode is REVERSE: You do not have access to the statement.	PHP
23	Check If Valid Triangle	Given the length of three sides of a triangle, if it is a valid triangle output the perimeter of...	PHP
24	Coded String If Konami Code Then Diferetnt Code	The game mode is REVERSE: You do not have access to the statement.	PHP, Python
25	Code Of Clash Score String Count	Task	PHP, Python
26	Compare String Keyvalues	Given a list of values for "teeth" in a key, determine the arithmetic operations and final result...	Ruby
27	Compute The Arithmetic Means Of Numbers	The goal is to compute all the arithmetic means for each two consecutive items in a array, and pr...	PHP, Ruby
28	Convert Letter To Hex Dec	convertLetterToHexdec	PHP
29	Convert Numbers To Ascistring	Your program must convert a sequence of integers into a string of ASCII characters.	PHP
30	Convert String Of Mix Convert To Ipaddress	You are given a string representing a website's address.	Python
31	Convert String To Hexdec Output Sum	Given an input string n, convert each character in the string to hex and find the sum of each hex...	PHP
32	Convert String To Math Equasion And Add And Multiplay Corectly	You must evaluate given mathematical expression like a non scientific calc, meaning there is no o...	Go
33	Count Numbers Aand Bin For Loop Plus One Echo Sum	The game mode is REVERSE: You do not have access to the statement.	PHP, Python
34	Count Numbers In String	string with spaces split by space	Python
35	Count Numbers Of Basketbool Team Who Will Whin	Find the winner out of two given basketball teams.	PHP
36	Count Numeri Characters If Asequence Accepted And If Not Calculate Alphabetic	Your task is to calculate numeric characters if a sequence is Accepted and calculate alphabetic o...	C#, Java, PHP
37	Count String Of Plusses And Minuses	reverse ------+++++--	PHP
38	Count String Pairs Of Symbols	The game mode is REVERSE: You do not have access to the statement.	PHP
39	Count The Archer Points	Archers are shooting at the target with 10 circles on it.	PHP
40	Count The Letters In String	The program:	PHP
41	Crccheck For Bit Parity	CRC (Cyclic Redundancy Check) is an error-correcting code used in digital networks and devices to...	PHP, Python
42	Create Patterns	The game mode is REVERSE: You do not have access to the statement.	PHP
43	Decode String Simple	Given an encrypted word s using the following encryption:	C#
44	Decryptstring Again	Given a 5 x 5 grid of letters where top-left is (0, 0), output the decoded lines of text.	PHP
45	Decypher Text	The key for a substitution cipher for upper case letters can be given as a string of characters w...	Notes only
46	Digital Root Of Given Number	Your program must output the digital root of the number given in input.	PHP
47	Double Dna	Given a string consisting only of the characters A, T, G and C, do the following:	PHP
48	Double Strings Og Comma Seperated Letters Output Model And Array Indexes	The game mode is REVERSE: You do not have access to the statement.	Python
49	Draw Double Triangle With Spaces	The game mode is REVERSE: You do not have access to the statement.	Python
50	Echo Factorial Number	The program:	PHP
51	Echo Numbers Of Whole Decimal And Procent	The game mode is REVERSE: You do not have access to the statement.	JavaScript, PHP
52	Echo Orows Columns	The game mode is REVERSE: You do not have access to the statement.	PHP
53	Echo Pattern Of Rows And Sygns	The game mode is REVERSE: You do not have access to the statement.	PHP
54	Echo Rows And Columns Aaabbbcccaaa	The game mode is REVERSE: You do not have access to the statement.	PHP
55	Echo Stringtotal Sum Of Alphabet Position	Print the total sum of alphabet position (zero-based index) of all the characters in the given st...	PHP
56	Echo Symbol To Make Crazy Triangle Pattern	The game mode is REVERSE: You do not have access to the statement.	PHP
57	Emirp Numbers	Determine the list of EMIRP between a and b included.	Python
58	Feed The Dogs	You must feed your d dogs, for that you have k grams of kibble.	C#, Java, PHP
59	Fibonachi Number	fibonachi number	PHP
60	Fibonachi With Sart And End	Build the Fibonacci Sequence but with given inputs instead of set inputs, 0 and 1.	PHP
61	Find Exponent Divission	You are given a base, N, and a solution, Y.	PHP, Python
62	Find String Mbposition	Over the centuries a language evolves, and not only do words appear or disappear, but some letter...	PHP
63	Find The Greatest Common Divisor For Two Integers	The program:	PHP
64	Find The Nth Number Of Number	You are given a number sequence as such: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5, ..	PHP
65	Fn Chess	Given an nxn chessboard, output its equivalent in FEN notation.	Notes only
66	Foo Bar String Concatination	You must output the correct string concatenation depending on the sum result.	PHP
67	For Every Number That Divides Print For T	For every x in the provided list, output 'T' if x is divisible by all given n primes p, else outp...	C#, Java, PHP
68	Get String Of Words Seperated By Space Output One Letter From Each Word Example Luke	string seperated with spaces need to out put some letters	PHP, Python
69	Given2 Integers Echo Difference Product Summ	Given two integers a and b :	PHP
70	Given Aset Of Nintegers P1 P2 Pn Echo Number	Given a set of N integers (P1,P2...Pn), and a sequence of consecutive increasing integers, starti...	Python
71	Given Numbers Find Missing Number	You are given a number n and followed by a list of n numbers.	PHP
72	Given Numbers Sum Then Multiplay By One Of Them	given x and y calculate result example	PHP
73	Highest Prime Number From Numbers	You must output the highest prime number from the given numbers	Python
74	Horoscope Readings	You have been assigned to provide "Horoscope Readings" for a bunch of people.	JavaScript
75	If In Hex Is Letters Or Digits Or Equal String	Take an input integer and print:	JavaScript, PHP
76	If In Hex Is Letters Or Digits Or Equal Stringv2	Take an input integer and print:	JavaScript, PHP
77	Incoming String Of Letters Count Them And Output Values And Keys	abbcccddddd	PHP
78	Infinite String Position	Consider the series formed by the natural numbers starting from 1: 1,2,3,4,5,6,7,8,9,10,11,12,...	PHP
79	Input Number Repeat Hash And Dots Symbols And Count Procentige Number	The game mode is REVERSE: You do not have access to the statement.	PHP
80	Int Split Summ Up And Divide By Count Average	The game mode is REVERSE: You do not have access to the statement.	PHP, Python
81	Int To Binary Split Reverse Transform Multiplay	Given an integer n, find the product m of the 2 numbers obtained by inverting the first then the...	PHP
82	Largest Prime Number	The program:	JavaScript, PHP
83	Letters To Numbers And Return Letter	sum up two string of letters and return letter	Notes only
84	Linera Function Multiplay Anumbers And Xminuss B	The program:	PHP
85	List Of Numbers Find The Number That Appears Odd Number Of Times	From a list of numbers you have to find the number that appears an odd number of times	PHP, Python
86	Long Number If Divisible By Four Echo Aaaaaaaif Not Echo Ok	Print "Ok" if the super-long integer N is not divisible by four.	PHP
87	Making Tomatoe Soup	You have a garden of C tomato crops, and you want to cook an amazing soup of N tomatoes in D days.	PHP, Python
88	Manhattan Distance	Introduction:	JavaScript, PHP
89	Manhattan Iland Find Bob And Alice Echo Number Of Location	Manhattan isle is known for its streets that intersect at right angles.	PHP
90	Marble Game Winner	Replay: who won the marble game?	Python
91	Matchsticks Per Second	Lily was crossing a thick forest when she realizes that there is a tiger ahead of her who has see...	PHP
92	Monkey Funky Island	The monkeys are partying on the Funky Monkey Island.	PHP
93	Multiple Numbers If Even Summ If Odd Subtract	You are given three numbers a, b and c.	PHP
94	Number56 And Number56 Get56	The game mode is REVERSE: You do not have access to the statement.	Python
95	Number Add Then Split Number And Add Between Them And Again Split And Add	takes an integer input n.	PHP
96	Number Each Multiplay	5	Python
97	Number Even Add	You are given three numbers a, b and c.	PHP
98	Number Given Splitin Halv And Add To Original	The game mode is REVERSE: You do not have access to the statement.	PHP
99	Number If Even Nex Tod Else Odd	You will be given M values.	PHP
100	Number Manipulation Unknown	The game mode is REVERSE: You do not have access to the statement.	JavaScript
101	Number Multiplication By Itself By100	The game mode is REVERSE: You do not have access to the statement.	PHP
102	Number Multiply Minuss Numberx2	The game mode is REVERSE: You do not have access to the statement.	PHP
103	Number Of Circlespoints Will Intersect	You are given a number of circles assuming that none are positioned on top of each other.	PHP
104	Number Of Different Ways Of Ordering List Of Nelements	Find the number of different ways of ordering a list of n elements.	JavaScript
105	Number Ofhow High Ball Must Droppednumber	The program:	PHP
106	Number Of Integration Slash Anti Derivative Calculation	A simple integration/anti-derivative calculation.	PHP
107	Number Of Nsearch For The Smalest Number	Search for the smallest number M, in which case it is true, that	JavaScript
108	Number Of One Side Of Square Of Johns Task To Plant Trees	John's task is to plant as many trees as he can in a square grid	Python
109	Number Of Straw1 Or0 And Drink Symbol Echo Cup Pattern With Or Without Straw	The game mode is REVERSE: You do not have access to the statement.	PHP
110	Number Of The Hofstadter Conway Sequence	The program:	JavaScript, PHP
111	Number Of Unix Timestamp Convert To Normal In Separate Lines	UNIX Epoch time, also known as Posix time, is a time system used in operating systems and file fo...	PHP
112	Number Operation Unknown	The game mode is REVERSE: You do not have access to the statement.	Python
113	Numbers Communally Prime If The Sum Of The Unique Numbers	Let's call a group of numbers communally prime if the sum of the unique numbers in the group is p...	PHP
114	Numbers Count Intervals And Assoc Category And Assign To X	The program:	PHP, Python
115	Numbers Finde Between Max And Min Diferrence	What is the difference between maximum value and minimum value of the four values?	PHP
116	Numbers Find Number Wis Alone Without Pair	Given an array of N integers, where n is odd number.	PHP
117	Numbers For The Turtle And Rabbit Race	A turtle and a Rabbit are trying to find out who is faster.	Notes only
118	Number Should Find Next Integer In The Provided Sequence	given the length N and the input sequence a, your program should find the next integer in the pro...	JavaScript, PHP
119	Numbers Need To Bereversed Individualy And Rever All Togerther	The game mode is REVERSE: You do not have access to the statement.	PHP
120	Numbers Of Bus Passengenrs At Sunrise Count Plus Driver	Sunrise.	PHP
121	Numbers Of Coordinates Of2 Dplane Calculate Distance Number	A robot operates on a 2D plane system, at a given time, the robot is at specific coordinates a,b.	PHP
122	Numbers Of Corrdinates Calculate Cardinal Directions Letter	You must output the list of cardinal directions (N, E, S, W) necessary to reach point2 starting f...	Python
123	Numbers Of Decimals To Binary On New Line	Your program must output the binary representation of each number given as input.	PHP
124	Numbers Of Dice Probability Procent Chance	A dice as been thrown and it is your job to find out the probability of a given number.	PHP
125	Numbers Ofdose Of Capecitabine Chemotherapy Calculate Dose Number	The dose of capecitabine chemotherapy is prescribed based on body surface area.	PHP
126	Numbers Off Differences The Maximum And Minimum	You have to find the differences between the maximum and the minimum value of the given sequence.	PHP
127	Numbers Offind N Th Term Of Arithmetic Progression	You have to find the n-th term of arithmetic progression.	PHP
128	Numbers Of John Loves Play With Grid Games Nby Nsquare Count7 Tiles	John loves to play with grid games.	PHP
129	Numbers Of Lilly Crossing The Woods Burning Matches Count Distance	Lily was crossing a thick forest when she realizes that there is a tiger ahead of her who has see...	PHP
130	Numbers Of Sum The Mods Of List Of Numbers	The program:	PHP
131	Numbers Of Surface Area Of Rectangular Prism	You must output the surface area of the given dimensions of a rectangular prism, cuboid, or box	PHP
132	Numbers Ofterms Of Trade Sum Of Export Prices	Terms of trade = sum of export prices divided by the sum of import prices.	PHP
133	Numbers Of Their Sum Power Of2 To Binary	There is a list of n numbers and there is a need to find the binary representation of their sum.	JavaScript
134	Numbers Output Pairs	Given a list L of n integers, print the number of pairs a and b in L where a - b	Python
135	Number Square Pattern	Your goal is to provide the operation table of a give operation, between all numbers in a provide...	PHP, Python
136	Numbers To Pay Interest In Mmonths To Bank	You borrowed N dollars from the bank.	PHP, Python
137	Numbers Unknown Maybe0 Replace With1	The game mode is REVERSE: You do not have access to the statement.	Python
138	Numbers With Number6 And8 But Not Together Alucky Number	A lucky number is a 10-based number, which has at least a 6 or an 8 in its digits.	PHP
139	Number The Distinct Number Sum	Given an array of N integers (as space-separated integers), determine how many distinct sums can...	Ruby
140	Number To Count Squaresin Square	countSquares in square	JavaScript
141	Number Unknown	The game mode is REVERSE: You do not have access to the statement.	Python
142	Numbet If Oddecho If Even Divide By2 Until Odd	If the input number n is even, divide it by two, and if the result is still even repeat the proce...	PHP, Python
143	On Valentine Day Unkown Number Input	On Valentine Day, John's girlfriend gives him a bunch of tickets for distinct movies at different...	Python
144	Ostrich Number Of Weght Male And Female	A male ostrich weighs 20% more than a female one.	PHP
145	Out Of Number Find The Smalles Perfect Square	A perfect square is an integer that is the square of an integer.	C#, Java, PHP
146	Palindromify String	Turn an input name into a palindrome using this simple concept:	Python
147	Print Word Ntimes	Print a word containing n times the nth letter of the alphabet (uppercase).	PHP
148	Repeat Sign By Average Sum	Reconstructed: convert decimal integers to unpadded binary, one per line.	PHP
149	Replace In Caand Bsymbols	The game mode is REVERSE: You do not have access to the statement.	Python
150	Repunit	A number consisting entirely of ones is called a repunit.	Python
151	Return Square Of Sum Numbers	Return the Square of Sum of Numbers given	PHP
152	Rocket Travel Distance	A stationary rocket is launched and travels with a constant acceleration of 2 m/s² (meters per se...	PHP
153	Rock Paper Scissors	Input	PHP, Python
154	Rows Column Symbols	The game mode is REVERSE: You do not have access to the statement.	JavaScript
155	Simulate Rabbit Born	A rabbit lives 4 days:	Python
156	Somethin With Number Duplicate Count	The game mode is REVERSE: You do not have access to the statement.	Python
157	Sort Binary Value By1	You are given a list of integers.	PHP
158	Sort String	sortString	PHP
159	Split In Syllable	The arithmetic mean (or mean or average) is the most commonly used and readily understood measure...	PHP
160	String And Signs Count The Way Print Substr	The game mode is REVERSE: You do not have access to the statement.	PHP
161	String Check For If Anagram	Identify if sets of words are anagrams of one another.	PHP
162	String Convert To1337 Speak	The program:	PHP
163	String Count How Substring Sappears	Your task is to count how often the substring S appears in any word from the string text, ignorin...	PHP
164	String Equation Count	The game mode is REVERSE: You do not have access to the statement.	PHP
165	String Find Ocurances	find first occurance from start	PHP
166	String Letter Detect Twice In Arow	The program:	PHP, Python
167	String Of1 And0 Hipodrome Race Replace0 With	The game mode is REVERSE: You do not have access to the statement.	PHP
168	String Of2 Numbers Split And Add At Given Interval	The game mode is REVERSE: You do not have access to the statement.	PHP
169	String Of2 Symbols Repeatin Reverse	The game mode is REVERSE: You do not have access to the statement.	PHP
170	String Of2 Uniques Letters Chane Places	The game mode is REVERSE: You do not have access to the statement.	PHP
171	String Of Automate Search Bar For Browser Software Add Http	You must automate a search bar for your browser software.	PHP, Python
172	String Of Bob Encrypted Message For Alice String Upper To String Lower	Bob encrypted the message for Alice.	PHP
173	String Of Bynary Seperated By Exclamation Mark Convert To Numbers	The game mode is REVERSE: You do not have access to the statement.	PHP
174	String Of Cats Drawings Replace Eyes With X	The game mode is REVERSE: You do not have access to the statement.	PHP
175	String Of Chess Letters Count The Price Of Chess Figures	count chess figure price	JavaScript, PHP
176	String Of Cords For Alice To Play Piano	Your friend Alice wants to play the piano but finds it difficult to learn chords.	PHP, Python
177	String Of Decimal To String	long string in pairs of numbers need to convert from decimal to string	PHP
178	String Of Exampleaaa Convert Tobyd Unknown	The game mode is REVERSE: You do not have access to the statement.	Ruby
179	String Of Fish Eating Chums	Given N ASCII art lines of individual size, depicting two fish racing towards each other, you mus...	Python
180	String Of Hamza Message Decode To String	Hamza want to read message from his boyfriend, but there are many numbers	PHP
181	String Of Html Tags Incheck And Count Html Tags	Write a program that checks that all open tags (i.e.	PHP
182	String Of John The Farmer Is Back Count The Cows Split Them	John the farmer is back, he needs to put a fence to separate the cows living on his field.	Python
183	String Of Letters And Base36 Numbers To Base10 Numbers And Symbols	convert string and numbers of base 36 to base 10 numbers and other symbols	PHP
184	String Of Letters Conver To Numbers And Summ Up	The letters of the alphabet occupy positions A=1, B=2, C=3...	PHP
185	String Of Math Numbers Explode Then Sort And Implode	As Logan's 4 year-old daughter is new to maths, she has trouble understanding sums when they are...	PHP
186	String Of Names And Marks Calculate The Average Marks	You have to calculate the average marks by people and after print the name of the person with the...	JavaScript
187	String Of Names Fin Who Will Last Read Paragraph	In an Elementary School, the teacher is making all the students take turns in reading a story.	PHP
188	String Of Number And Calculate Result	The game mode is REVERSE: You do not have access to the statement.	JavaScript, Python
189	String Of Numbers Coordinates Of Polygon Vertices	Given the n coordinates (x_i, y_i) of a polygon vertices (from top left to bottom left), and the...	Python
190	String Of Numbers Each Minus One	Take every digit in the given number and decrease it by 1.	PHP
191	String Of Pattern Rows And Columns Unify In One Paterrn Of Strings	The game mode is REVERSE: You do not have access to the statement.	JavaScript
192	String Of Poem From Transmission From Outer Space Separate With New Lines	You receive a transmission from outer space, just 3 lines of text.	JavaScript, PHP
193	String Of Repeating Letter Need To Count With Exception Return Number	Over the centuries a language evolves, and not only do words appear or disappear, but some letter...	PHP
194	String Of Two Values Count Xorscore And Repeat String With Highest Score	You are given a list of strings.	PHP
195	String Of Upper And Lower Count The Absolute Difference	While Ignoring any special chars and spaces, output the absolute difference between uppercase and...	PHP
196	String Of Upper And Lower Letters Split In Upper And Next Line Lower	adasJhsdKjlasl	PHP
197	String Of Upper And Lower Output Lower First Last Element With Hyphoon In Middle	abcd	PHP
198	String Of Upper Lower Numbers Special Chars Sort	The game mode is REVERSE: You do not have access to the statement.	JavaScript, PHP
199	String Of Word Check If Can Write Word With One Line Qwertykeyboard	Output Yes if the given combination of characters and lower-case word could be typed with the but...	JavaScript
200	String Of Words Calculate Each Word Entropy And Output Word	Given a list of N words, calculate the entropy of each individual word and print the word with th...	JavaScript, PHP
201	String Of Words Echo Each Letter In New Line And Space Divided In Reverse	Hello world	PHP
202	String Repeate With Middle Symbol	Given a char C you should print this char in the middle of string S containing '*' with given len...	PHP
203	String Replaced Every Odd And Even Letters In Places	The game mode is REVERSE: You do not have access to the statement.	Python
204	String Replace With Letter	The game mode is REVERSE: You do not have access to the statement.	PHP
205	String Replace With Symbols Except Spaces	Line 1: Length n of the message.	PHP
206	String Reverse Upper To Lower And Lower To Upper	The game mode is REVERSE: You do not have access to the statement.	PHP
207	Strings Of Hash Symbol Pattern Convert Convert Binary To Decimal	Convert binary to decimal	JavaScript
208	String Sort And Get First And Last Element	The game mode is REVERSE: You do not have access to the statement.	PHP
209	String Sort Upper Lower And Spaces	string of upper and lowwer with spaces must be seperated start Upper then spaces then lower and s...	PHP
210	String Split And Reverse Them	The game mode is REVERSE: You do not have access to the statement.	PHP, Python
211	String Split By3 To Ascii String	The program:	PHP
212	String Split By Sign And Ucfirst Evry Next Word	Each programming language has its own conventions.	PHP
213	String Split By Words Reverse	The program:	PHP
214	String To Concatinate File Path	The game mode is REVERSE: You do not have access to the statement.	PHP
215	String Tranform Something	The game mode is REVERSE: You do not have access to the statement.	Python
216	String With Numbers Find The Best Investment	Find the best investment among the given crypto currencies.	PHP, Python
217	Strin Input If Lower If Upper Other	The game mode is REVERSE: You do not have access to the statement.	PHP
218	Sum Of First Neven Natural Numbers	You must ouput the sum of the first N even natural numbers.	PHP
219	Sum Of Numbers Divide By Average	You are given C integers, find their arithmetic mean.	PHP
220	Sum Of Positive Multiples Of357 Of N	Write a program that prints the sum of all the positive multiples of 3 or 5 or 7 below N.	PHP
221	Sum Up The Binary	sum 1 in the binary code	PHP
222	Sum Up The Numbers If0 Start From0 Summ Up Numbers	You will be given a string of digits to add up.	PHP
223	Swap Every Odd Letter Places In String	The game mode is REVERSE: You do not have access to the statement.	Python
224	To Binary	6	PHP
225	Two Lists Of Integers Compute Sum Of Powers	Here we have two lists of integers.	Python
226	Two String Plus In To New String	The game mode is REVERSE: You do not have access to the statement.	PHP
227	Version Check	find the correct prefixes and version from string a	Python
228	Write Simple Calculator In Unary Just Echo	Write a simple calculator that operates in unary to sum a sequence of positive integers.	PHP
229	Zlobenian Phone Numbers Split By3 Numbers Except White Spaces	Zlobenian phone numbers contain 12 digits, the first one always being 0.	PHP, Python