Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Build a 2PDA that accepts the language
{ an+1bn+2cn | n >0}
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Transcribed Image Text:Build a 2PDA that accepts the language { an+1bn+2cn | n >0}
The Two-Stack PDA
START
READ₁
b
☺
POP₁
PUSH₂ b
ACCEPT
PUSH₁ a
b
READ₂
POP ₂
a
POP₁
POP₂
b
READ 3
a
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Transcribed Image Text:The Two-Stack PDA START READ₁ b ☺ POP₁ PUSH₂ b ACCEPT PUSH₁ a b READ₂ POP ₂ a POP₁ POP₂ b READ 3 a
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