Draw the transition diagrams for push-down automata for the following languages. Give direct constructions, not conversions from CFGS, and give a brief description in English of your strategy for each problem. (a) {a*b'c* : 2i = k or i = j+1} (b) {w E {a, b}* : Na(w) = ns(w) and for every prefix v of w, we have na(v) > no(v)}

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
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Draw the transition diagrams for push-down automata for the following languages.
Give direct constructions, not conversions from CFGS, and give a brief description in
English of your strategy for each problem.
(a) {a*b'c* : 2i = k or i = j+1}
(b) {w e {a, b}* : na(w) = ns(w) and for every prefix v of w, we have na(v) > no(v)}
Transcribed Image Text:Draw the transition diagrams for push-down automata for the following languages. Give direct constructions, not conversions from CFGS, and give a brief description in English of your strategy for each problem. (a) {a*b'c* : 2i = k or i = j+1} (b) {w e {a, b}* : na(w) = ns(w) and for every prefix v of w, we have na(v) > no(v)}
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