data structures using multiple-choice questions ( ( ( ( ( false false false true or false true false true false true true fill in the blanks and - tree and - (log / multiple-choice questions ( ( ( ( ( ( ( true false true false false false true true or false true false false true fill in the blanks priority queues partially ordered trees min heap root set of binomial trees that satisfy binomial-heap properties ( collection of heap-ordered trees whether node has lost child since the last time was made the child of another node multiple-choice questions ( ( ( ( ( ( ( true true false true false true true or false false true false true fill in the blanks an isolated node cycle transitive closure bridge terminate multi-graph articulation point bit matrix or boolean matrix tree vertices bi-connected