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Puzzle 838: Push, Pop, and Peek

red/blue columns recall the first element on the stack without removing it

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Author: snydej
Date posted: 6/22/2009 3:36:31 AM
Difficulty (1..5): 4.30 (10 votes)
Popularity: 11 (11 liked, 0 disliked)
Correct solution submitted: 42

 

Solved by 19 players

keba (21)scorpio (21)smylic (21)tau_wedel (21)_nick (22)
davenger (22)edsaw (22)markbyers (22)snydej (22)Genne (24)
goulagman (24)mahlok (24)android (25)qinn (25)azure (27)
keyon (28)shaggy12 (28)ihvaquestion (32)sondab (32)

Number of commands in the solution is shown in brackets. Shown as ? when not available.

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