A=B
A=B mods
A mod changes the game itself, so it is tied to a game version and to whatever loads it. Filter by both and you get the list that will actually load, not the list that mentions your version somewhere in a description.
- Divide by bababy 76561199000814258Input: A string of "a" and "b". Output: Group with commas and make sure there are at most two "a"s and two "b"s in each group. Constraint: 1 <= Input length <= 10539 downloadsupdated 5 y ago
- Portal Mazeby 76561198817884603Input: A string of the maze including > exactly one "a" as your start; > exactly one "b" as the goal; > "_"s as floors you can walk on; > "|"s as walls you can't pass; > "h"s as hammers that allow you to break one wall per hammer; > "p"s as portals that allow you to teleport from one to another....274 downloadsupdated 4 y ago
- Parenthesesby noam.tashmaInput: A string of "[" and "]". Output: Check if the input is a legal parenthesized string. I.e, every "[" must have a matching "]" after it.190 downloadsupdated 4 y ago
- Prime factorizationby 76561199000814258Input: A binary integer greater than 1. Output: Its binary prime factors in ascending order, separated by commas. Constraint: 2 <= Input number <= 100165 downloadsupdated 4 y ago
- Turing Complete?by 18111398It is said that A=B is turing-complete even without keywords, but I failed to figure this one out by myself. Leaving the challenge to anyone else. Input: "a". Output: "aa". You may not use keywords in this level.163 downloadsupdated 4 y ago
- Keep 3by artlessInput: A string of "a", "b" and "c". Output: Keep the first three letters, delete the rest. Constraint: 3 <= Input length <= 7160 downloadsupdated 5 y ago
- Remove last abcby RyZumInput: A string of "a", "b" and "c". Output: Remove the last occurrence of "abc". Constraint: 1 <= Input length <= 9150 downloadsupdated 4 y ago
- List Depthby WhebonInput: Nested lists consisting of "[" and "]" Output: Maximum list depth as a decimal number Constraint: 1 <= depth <= 4137 downloadsupdated 4 y ago
- Squareby artlessInput: A binary number. Output: Its square. Constraint: 1 <= Input number <= 31131 downloadsupdated 5 y ago
- A to Cby artlessInput: A string of "a", "b" and "c". Output: Replace each "a" with "c". Constraint: 1 <= Input length <= 7112 downloadsupdated 5 y ago
- k-9 Lexicographic Orderby 76561199356125488Input: Two strings of "a", "b", "c" and "x", separated by a ",". Output: The string that comes before the other in the lexicographic order. Constraint: 1 <= String length <= 4 First string ≠ Second string Out of the 115260 possible test cases, only 10000 are used as input. <日本語訳> k-9 辞書順 入力: ","で...109 downloadsupdated 9 mo ago
- k-12 Binary to Romanby 76561199356125488Input: A binary number. Output: Convert input to Roman numerals if it is less than 4000. Otherwise return error. Constraint: 1 <= Input number <= 10000 You may not use keywords in this level. <日本語訳> k-12 ローマ数字 2 入力: 2進数 出力: 入力値が4000より小さければローマ数字に変換する。そうでなければ「error」を出力する。 制約: 1 <= 入力値 <= 10000 この課題...83 downloadsupdated 9 mo ago
- k-1 Subtractionby 76561199356125488Input: Two binary numbers, separated by a "-". Output: The result of the subtraction. Constraint: 1 <= Input number <= 31 The result may be zero or negative. <日本語訳> k-1 減法 入力: "-"で区切られた、2つの2進数 出力: 引き算の結果。 制約: 1 <= 入力値 <= 31 答えが0または負の値になる場合がある。 虎80 downloadsupdated 9 mo ago
- String Lengthby LunarInput: A string of "a", "b" and "c". Output: The number of characters in this string in binary representation. Constraint: Input length >= 179 downloadsupdated 3 y ago
- Elementary Panguby 76561198817884603Input: Roll seven dice. Output: Return true if "pangu project" (sum = 40) is accessible, else return false.77 downloadsupdated 4 y ago
- k-10 A=B by A=Bby 76561199356125488Input: Two strings of "a", "b" and "c", separated by a ",". Output: The result of this game given the "first string" as input and "second string =" as the instruction. Constraint: 1 <= First string length <= 8 1 <= Second string length <= 4 Out of the 1180800 possible test cases, only 10000 are u...74 downloadsupdated 9 mo ago
- k-5 Fibonacci Sequenceby 76561199356125488Input: A binary number. Output: The Fibonacci number at the given position. Constraint: 1 <= Input number <= 75 <日本語訳> k-5 フィボナッチ数列 入力: 2進数 出力: フィボナッチ数列の入力値番目の項。 制約: 1 <= 入力値 <= 75 鮭74 downloadsupdated 9 mo ago
- SQRTby artlessInput: A binary number. Output: Its square root. (rounded down) Constraint: 1 <= Input number <= 6371 downloadsupdated 5 y ago
- k-8 Prime Factorizationby 76561199356125488Input: A binary number. Output: Its prime factors in ascending order, separated by "*"s. Constraint: 2 <= Input number <= 256 <日本語訳> k-8 素因数分解 入力: 2進数 出力: 入力値の素因数を昇順に並べ、それを"*"で区切ったもの。 制約: 2 <= 入力値 <= 256 鷹71 downloadsupdated 20 mo ago
- k-3 Square Rootby 76561199356125488Input: A binary number. Output: The integer part of the square root of the input. Constraint: 1 <= Input number <= 1024 <日本語訳> k-3 平方根 入力: 2進数 出力: 入力値の正の平方根における整数部分。 制約: 1 <= 入力値 <= 1024 狐70 downloadsupdated 9 mo ago
- Longest Screamby zenith_fallingInput: Two strings of "a". Output: The longest string of "a". Constraint: Each string is 1 <= length <= 1070 downloadsupdated 4 y ago
- Middleby 76561199000814258Input: A string of "a", "b" and "c". Output: Return the middle common letter. Constraint: 1 <= Input length <= 8 There's no ties for the middle. All kinds of letter appear at least once.67 downloadsupdated 4 y ago
- Divisible by 6by zenith_fallingInput: A decimal number. Output: "true" if the number is evenly divisible by 6. "false" otherwise. Constraint: 1 <= Input <= 999967 downloadsupdated 4 y ago
- A Loaf of Almond Cherry Breadby 76561198817884603"Please don't put almonds into bread, especially cherry bread!" Input: A string of "a", "b", "c". Output: A binary number, the tastiness point of the most tasty sub-string (or maybe, sub-bread). Each "b" provides 1 point and each "c" provides -1 point. Any "a" should be avoided. Constraint: 1 <=...66 downloadsupdated 4 y ago
- k-7 Least Common Multipleby 76561199356125488Input: Two binary numbers, separated by a ",". Output: The LCM of them. Constraint: 1 <= Input number <= 31 <日本語訳> k-7 最小公倍数 入力: ","で区切られた、2つの2進数 出力: 2つの入力値の最小公倍数。 制約: 1 <= 入力値 <= 31 鼠64 downloadsupdated 20 mo ago
- k-6 Greatest Common Divisorby 76561199356125488Input: Two binary numbers, separated by a ",". Output: The GCD of them. Constraint: 1 <= Input number <= 31 <日本語訳> k-6 最大公約数 入力: ","で区切られた、2つの2進数 出力: 2つの入力値の最大公約数。 制約: 1 <= 入力値 <= 31 隼64 downloadsupdated 20 mo ago
- k-4 Logarithmby 76561199356125488Input: A binary number. Output: The integer part of the base-3 logarithm of the input. Constraint: 1 <= Input number <= 16384 Out of the 16384 possible test cases, only 1000 are used as input. <日本語訳> k-4 対数 入力: 2進数 出力: 3を底とする入力値の対数における整数部分。 制約: 1 <= 入力値 <= 16384 全16384通りのテストケースのうち1000通りのみ入力される。 虻64 downloadsupdated 9 mo ago
- k-2 Summationby 76561199356125488Input: Two binary numbers, separated by a ",". Output: The sum of all integers from the first number to the second number. Constraint: 1 <= Input number <= 50 First number < Second number <日本語訳> k-2 総和 入力: ","で区切られた、2つの2進数 出力: 1つ目の値から2つ目の値までの整数の総和。 制約: 1 <= 入力値 <= 50 1つ目の値 < 2つ目の値 猿64 downloadsupdated 9 mo ago
- Longest Scream 2by zenith_fallingInput: Three strings of "a". Output: The longest string of "a". Constraint: 1 <= String length <= 1060 downloadsupdated 4 y ago
- k-11 Decimal to Romanby 76561199356125488Input: A decimal number. Output: Convert input to Roman numerals if it is less than 4000. Otherwise return error. Constraint: 1 <= Input number <= 10000 You may not use keywords in this level. <日本語訳> k-11 ローマ数字 1 入力: 10進数 出力: 入力値が4000より小さければローマ数字に変換する。そうでなければ「error」を出力する。 制約: 1 <= 入力値 <= 10000 この...58 downloadsupdated 9 mo ago
- Word sortingby 76561199000814258Input: Two strings of "a", "b" and "c". Output: The string which ranks higher in the lexicographic order. If the two strings are the same, any of them will work. Constraint: 1 <= Input length <= 452 downloadsupdated 5 y ago
- Is Radioactiveby The Purple SubmarineInput: A string of "a", "b" and "#". Output: Return "true" if the input contains a "#". Otherwise, return "false". Constraint: 1 <= Input length <= 7 Keywords are allowed.45 downloadsupdated 4 y ago
- Radioactive Sortby The Purple SubmarineInput: A string of "a", "b" and "#". Output: Sort the input in alphabetical order. "#" < "a" < "b". Keywords are accepted.44 downloadsupdated 4 y ago
- A=A=Bby diVisionInput: A string of "a", "b" and "c". Output: Replace each "a" with the input string. Remove all "c"s. Constraint: 1 <= Input length <= 7 Input contains at least one "c".43 downloadsupdated 4 y ago
- Is More Radioactiveby The Purple SubmarineInput: A string of "a", "b" and "#". Output: Return "true" if the input contains two or more non-consecutive "#". Otherwise, return "false". Constraint: 1 <= Input length <= 8 Keywords are allowed.41 downloadsupdated 4 y ago
- Radioactive Cleanupby The Purple SubmarineInput: A string of "a", "b" and "#". Output: The input string with all "#" characters moved to the start. Constraint: 1 <= Input length <= 7 Keywords are allowed.38 downloadsupdated 4 y ago
- Radioactive Remove Thirdby The Purple SubmarineInput: A string of "a", "b" and "#". Output: Remove the third non-"#" character. Constraint: 4 <= Input length <= 9 There is exactly one "#". Keywords are allowed.37 downloadsupdated 4 y ago
- Character after xby 76561199047729556Input: A string of "a", "b", "c", and "x". Output: The character immediately after "x". Constraint: 3 <= Input length <= 7 You may not use keywords in this level.36 downloadsupdated 4 y ago
- bitwise xorby 76561198963229311Input: Two binary numbers, separeted by "^". Output: The bitwise XOR of two numbers. Constraint: Length of input numbers = 5 The length of output must be 5. You can't use any keywords.36 downloadsupdated 4 y ago
- divided by 2by 76561198963229311Input: A decimal number: N. Output: N/2. Constraint: 1 <= N <= 99936 downloadsupdated 4 y ago
- Decimal to Binaryby TonbaInput: A decimal numbers. Output: Converts input numbers to binary numbers. Constraint: 1 <= Input number <= 99935 downloadsupdated 4 y ago
- Triple Threatby 76561198847773308Input: A string of "a", "b" and "c". Output: if there are three or more of a kind in a row, remove them. Constraint: 1 <= Input length <= 730 downloadsupdated 4 y ago
- Coloured Trianglesby 76561199000814258Input: A string of "R", "G" and "B". Output: A coloured triangle is created from a row of colours, each of which is red, green or blue. Successive rows, each containing one fewer colour than the last, are generated by considering the two touching colours in the previous row. If these colours are...29 downloadsupdated 4 y ago
- Less Thanby zenith_fallingInput: Two strings of "0" and "1" separated by a less than symbol "<" Output: true if the inequality is correct, false otherwise Constraint: Each number is 1-5 digits long29 downloadsupdated 4 y ago
- Subsequenceby 76561198819366071Input: Two strings of "a", "b" and "c", separated by a ",". Output: Return true if the second string can be a subsequence of the first string (i.e. by removing some letters in the first string, we can get the second string), and false otherwise. Constraint: 1 <= Length of each string <= 529 downloadsupdated 5 y ago
- Longest Sub-palindromeby 76561198402045647Input: A string of "a", "b" and "c". Output: The longest substring of the input which starts with the beginning of the input and is a palindrome. Constraint: 1 <= Input length <= 726 downloadsupdated 4 y ago
- My Custom Levelby 76561199173967996Input: A string of "a", "b" and "c". Output: Replace each "a" with "b". Constraint: 1 <= Input length <= 724 downloadsupdated 5 y ago
- Decimal to Binaryby 76561199407720988Input: A decimal number but its length is 2. Output: Input converted to a binary number. Constraint: 00 <= Input <= 9922 downloadsupdated 3 y ago

