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java-interview-lab/stack-queue/output/03-min-stack-trace.txt
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Min stack: both internal stacks after every operation
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push 5 values=[5] mins=[5] (new or equal minimum, also pushed on mins)
push 3 values=[3, 5] mins=[3, 5] (new or equal minimum, also pushed on mins)
push 7 values=[7, 3, 5] mins=[3, 5]
push 3 values=[3, 7, 3, 5] mins=[3, 3, 5] (new or equal minimum, also pushed on mins)
getMin values=[3, 7, 3, 5] mins=[3, 3, 5] getMin() = 3
pop -> 3 values=[7, 3, 5] mins=[3, 5] (it was the minimum, mins popped too)
getMin values=[7, 3, 5] mins=[3, 5] getMin() = 3
pop -> 7 values=[3, 5] mins=[3, 5]
getMin values=[3, 5] mins=[3, 5] getMin() = 3
pop -> 3 values=[5] mins=[5] (it was the minimum, mins popped too)
getMin values=[5] mins=[5] getMin() = 5
getMin results: [3, 3, 3, 5] (identical for MinStack and EncodedMinStack)