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Activity for Shaggy‭

Type On... Excerpt Status Date
Answer A: Truthify an array
JavaScript (V8), 44 bytes a=>a.map((a,x)=>a.map((n,y)=>n&&print(x,y))) Try it online!
(more)
almost 3 years ago
Answer A: Truthify an array
Japt `-m`, 8 7 bytes ð òÎmiV Try it ð òÎmiV :Implicit map of each sub-array at 0-based index V ð :Indices of truthy (i.e., non-zero) elements ò :Partition between elements where Î :The sign of their difference is truthy m ...
(more)
almost 3 years ago
Answer A: Create an Alphabet Diamond
Japt `-R`, 11 bytes ;Bå+ mê ê û Test it ;Bå+ mê ê û ;B :Uppercase alphabet å+ :Cumulatively reduce by concatenation m :Map ê : Palindromise ê :Palindromise û :Centre pad e...
(more)
almost 3 years ago
Answer A: Evaluation order of an APL n-train
Japt, 10 bytes o ÅÔò cÔiU Try it o ÅÔò cÔiU :Implicit input of integer U o :Range [0,U) Å :Slice off the first element Ô :Reverse ò :Partitions of length 2 c :Map then flatten Ô ...
(more)
almost 3 years ago
Answer A: Longest Increasing Subsequence
Japt `-h`, 12 bytes à kÈäÎdÄÃmÊñ Try it à kÈäÎdÄÃmÊñ :Implicit input of array à :Combinations k :Remove elements that return true È :When passed through the following function ä : Consecutive pairs ...
(more)
over 3 years ago
Answer A: Tile pyramids on top of each other!
Japt `-R`, 12 bytes õÈ"/\\"mpXÃû Try it õÈ"/\\"mpXÃû :Implicit input of integer õ :Range [1,input] È :Map each X "/\\" : Literal string m : Map pX : Repeat X times à :...
(more)
over 3 years ago
Answer A: Length of a Sumac Sequence
Japt `-N`, 9 bytes ¨T©ÒßVVnU Try it ¨T©ÒßVVnU :Implicit input of integers U & V ¨ :U is >= T : 0 © :Logical AND with Ò :Negate the bitwise NOT of ß :Recursive call with arguments V ...
(more)
over 3 years ago
Answer A: Partial Sums of Harmonic Series
Japt, 11 10 bytes >0©ÒßUÉ/°T Try it >0©ÒßUÉ/°T :Implicit input of integer U >0 :Greater than 0? © :Logical AND with Ò :Negate the bitwise NOT of (i.e., increment) ß :Recursive call with argument UÉ/ ...
(more)
over 3 years ago
Answer A: Evaluate a single variable polynomial equation
Japt `-x`, 6 5 bytes ËVpE Try it ËVpE :Implicit input of array U and float V Ë :Map each element D at 0-based index E : Multiply D by VpE : V raised to the power of E :Implicit output of sum of resulting array
(more)
over 3 years ago