← Game ModeRound 1 of 4
The range leak
Predict which node is illegal before you repair the tree.
Invariant traceILLEGAL STATE
8312
8 → 3 → 12 (right child of 3)The next query would observe this structure.Predict which node is illegal before you repair the tree.
8 → 3 → 12 (right child of 3)The next query would observe this structure.