L3 is the language L3={anbcn)kdk| n≥1, k≥1} over the alphabet Σ={a,b,c,d}. a) Build a one-stack Push Down Automata (PDA) to accept the language L3. Please explain your design shortly and draw the PDA. b) Build a multi-stack Push Down Automata (PDA) (for example with two stacks) to accept L3. Please explain your design shortly and draw the PDA.

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
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L3 is the language L3={anbcn)kdk| n≥1, k≥1} over the alphabet Σ={a,b,c,d}.
a) Build a one-stack Push Down Automata (PDA) to accept the language L3. Please explain your design shortly and draw the PDA.
b) Build a multi-stack Push Down Automata (PDA) (for example with two stacks) to accept L3. Please explain your design shortly and draw the PDA.

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