Consider an encoding scheme where integer numbers from 1 to 26 are encoded as character 'A' ro 'Z'. for example , integer 1 encodes character 'A' integer 2 encodes character 'B' and so on last till integer number 26 which encodes character 'Z'. Using this encoding scheme, design a system to count all possible decodings for a given digit sequence. For example, for digit sequence "1524" there are three possible decodings. 1, 5, 2, 4 - AEBD 1, 5, 24 - AEX 15, 24 - OX
Consider an encoding scheme where integer numbers from 1 to 26 are encoded as character 'A' ro 'Z'. for example , integer 1 encodes character 'A' integer 2 encodes character 'B' and so on last till integer number 26 which encodes character 'Z'. Using this encoding scheme, design a system to count all possible decodings for a given digit sequence. For example, for digit sequence "1524" there are three possible decodings. 1, 5, 2, 4 - AEBD 1, 5, 24 - AEX 15, 24 - OX
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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Consider an encoding scheme where integer numbers from 1 to 26 are encoded as character 'A' ro 'Z'. for example , integer 1 encodes character 'A' integer 2 encodes character 'B' and so on last till integer number 26 which encodes character 'Z'. Using this encoding scheme, design a system to count all possible decodings for a given digit sequence.
For example, for digit sequence "1524" there are three possible decodings.
1, 5, 2, 4 - AEBD
1, 5, 24 - AEX
15, 24 - OX
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