Code
The highlighted line runs next. The pill shows the live values in the running call.
Cost
Work done so far, and how the three solutions compare
Board and words
Paths move up, down, left or right, never reusing a cell
The highlighted line runs next. The pill shows the live values in the running call.
Work done so far, and how the three solutions compare
Paths move up, down, left or right, never reusing a cell
Keyboard: ← → step, Space play or pause. Board rows separated by commas (or paste the JSON grid), up to 4×4; up to 6 distinct words of 1–7 letters. Directions are tried in the code’s order: down, up, right, left. Solution 2 returns a set, so the real output order can differ between languages.