Write a function solution that, given a string S consisting of N letters 'a' and/or 'b' returns true when all occurrences of letter 'a' are before all occurrences of letter 'b' and returns false otherwise. Examples: 1. Given S = "aabbb", the function should return true. 2. Given S="ba", the function should return false. 3. Given S="aaa", the function should return true. Note that 'b' does not need to occur in S. 4. Given S="b", the function should return true. Note that 'a' does not need to occur in S. 5. Given S="abba", the function should return false. Write an efficient algorithm for the following assumptions: N is an integer within the range [1..300,000]; • string S consists only of the characters "a" and/or "b".

Write a function solution that, given a string S consisting of N letters 'a' and/or 'b' returns true when all occurrences of letter 'a' are before all occurrences of letter 'b' and returns false otherwise. Examples: 1. Given S = "aabbb", the function should return true. 2. Given S="ba", the function should return false. 3. Given S="aaa", the function should return true. Note that 'b' does not need to occur in S. 4. Given S="b", the function should return true. Note that 'a' does not need to occur in S. 5. Given S="abba", the function should return false. Write an efficient algorithm for the following assumptions: N is an integer within the range [1..300,000]; • string S consists only of the characters "a" and/or "b".

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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UH: Question 1: Answer needed in Java programming Language , version : 8 and above

Write a function solution that, given a string S consisting of N letters 'a' and/or 'b' returns true when all occurrences of letter 'a' are
before all occurrences of letter 'b' and returns false otherwise.
Examples:
1. Given S = "aabbb", the function should return true.
2. Given S = "ba", the function should return false.
3. Given S = "aaa", the function should return true. Note that 'b' does not need to occur in S.
4. Given S = "b", the function should return true. Note that 'a' does not need to occur in S.
5. Given S = "abba", the function should return false.
Write an efficient algorithm for the following assumptions:
• N is an integer within the range [1..300,000];
string S consists only of the characters "a" and/or "b".

Process by which instructions are given to a computer, software program, or application using code.

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