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java-interview-lab/stack-queue/output/06-queue-stack-conversions-trace.txt
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Queue from two stacks, and stack from one queue
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QueueViaStacks (stacks shown top first)
enqueue(1) in=[1] out=[]
enqueue(2) in=[2, 1] out=[]
enqueue(3) in=[3, 2, 1] out=[]
dequeue() = 1 in=[] out=[2, 3] transfers so far: 3
enqueue(4) in=[4] out=[2, 3]
dequeue() x3 = 2, 3, 4 in=[] out=[] transfers so far: 4
StackViaQueue
push(1) queue(front=top)=[1] rotations so far: 0
push(2) queue(front=top)=[2, 1] rotations so far: 1
push(3) queue(front=top)=[3, 2, 1] rotations so far: 3
pop() x2 = 3, 2 queue(front=top)=[1]