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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Letters are pushed onto a stack in order shown below
Specify where to insert the pop operations (shown by *) among the pushes of the given letters in order to produce the output shown below.
You can only use the stack once for each letter. That means you cannot take any letter that were outputted from the stack and push them back on stack.
If there is no solution say NONE
DO NOT PUT ANY SPACES or COMMAS in your answer. 1 point penalty otherwise.
letters push operation order: ESTUAR; all operations (* added):
× ESTUARS*E
; output: UATRSE
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