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Answers and rating deltas for

how can i know that a stack is empty if i use this method to pop elements?

Author Votes Δ
Ed Heal 0 +0.15
Manuel Amstutz 0 -0.10
Simon MILHAU 0 -0.40
well7m 0 -0.33
Jeyaram 0 +0.36
Charan Pai 0 -0.32
linkdd 0 -0.39
Last visited: Sep 14, 2014, 5:07:29 AM