Secret ">" Stacking Challenge code-golf grid binary-matrix Background Tetris Grand Master 3 has a hidden grading system based on the shape of the stack at the end of the game, which is called Secret ">" Stacking Challenge. It consists of entirely filling the lowest rows except for the zigzag patt...

Write the shortest possible program to remove all partial matched duplicates from a list and only retain the longest lines. Sort order does not matter. For following inputs, the intent is to search for the string match followed by a number and retain the longest unique match + number lines. Input...

Build an alphabetised polyglot As TIO can show, every letter of the Latin alphabet is represented when it comes to languages. For every letter there is at least 1 programming language whose name begins with that letter. Your task is to create a polyglot in order to demonstrate that. Your program ...

[PuyoPuyo] How long is my combo? Context: PuyoPuyo is a puzzle game where you and your opponent pile up colored slimes (called puyo) in a vertical (13*6 cells) grid. A puyo is one-cell big, but they come as pairs in the screen. Puyo pairs fall from the top to the bottom of the grid, and you can m...

De-interleave log lines code-golf string You've inherited a server that runs several apps which all output to the same log. Your task is to de-interleave the lines of the log file by source. Fortunately, each line begins with a tag that indicates which app it is from. Logs Each line will look som...