Ⓒ ALL Ⓡ 1 2 2. Rearranging a Word Given word, return the next alphabetically greater string in all permutations of that word. If there is no greater permutation, return the string 'no answer'instead. Example word = 'baca' The string 'baca' has the following permutations in alphabetical order: 'aabc', 'aacb', 'abac', 'abca', 'acab', 'acba', 'baac', 'baca', 'bcaa', 'caab', 'caba', and 'cbaa'. The next alphabetically greater permutation of the original string is 'bcaa'. Function Description Complete the function rearrangeWord in the editor. rearrangeWord has the following parameter(s): string word: the string to analyze Returns string: Return the next alphabetically greater permutation of the string. If no such string exists, return the string 'no answer". Constraints • All characters in word are in the set of characters ascii[a-z]. • 2s length of word ≤ 104 ► Input Format for Custom Testing ▾ Sample Case 0 Sample Input 0 STDIN Function xy → word = 'xy' Sample Output 0 yx 4 Explanation 0 Rearrange the characters in word = 'xy' to create the next alphabetically greater string: 'yx! ► Sample Case 1 ▸ Sample Case 2

Ⓒ ALL Ⓡ 1 2 2. Rearranging a Word Given word, return the next alphabetically greater string in all permutations of that word. If there is no greater permutation, return the string 'no answer'instead. Example word = 'baca' The string 'baca' has the following permutations in alphabetical order: 'aabc', 'aacb', 'abac', 'abca', 'acab', 'acba', 'baac', 'baca', 'bcaa', 'caab', 'caba', and 'cbaa'. The next alphabetically greater permutation of the original string is 'bcaa'. Function Description Complete the function rearrangeWord in the editor. rearrangeWord has the following parameter(s): string word: the string to analyze Returns string: Return the next alphabetically greater permutation of the string. If no such string exists, return the string 'no answer". Constraints • All characters in word are in the set of characters ascii[a-z]. • 2s length of word ≤ 104 ► Input Format for Custom Testing ▾ Sample Case 0 Sample Input 0 STDIN Function xy → word = 'xy' Sample Output 0 yx 4 Explanation 0 Rearrange the characters in word = 'xy' to create the next alphabetically greater string: 'yx! ► Sample Case 1 ▸ Sample Case 2

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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