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Find the flag.

Draw the obstacles. Watch the search.

6 ALGORITHMS / LIVE CODE

Controls

01 / THE GRIDREADY

Click or drag to draw walls

VISITED0

PATH LENGTH—

OPERATIONS0

PLAYBACK0.0s

Pseudocode

FIND THE FLAG

Blue cells have been visited. Purple cells are next. The bright path connects the start to the flag. Walls block movement; each of the four directions costs 1.