Write a simple substitution code for an alphabetic string. That is, declare a permutation of the 26 alphabetic characters i.e. char perm[] = "qjczieaungsdfxmphybklortvw" Now, given a message string e.g. char msg[] = "secret message to encode"; Replace all occurrences of 'a' with 'q' (since perm[0]='q') Replace all occurrences of 'b' with 'j' (since perm[1]='j') Replace all occurrences of 'z' with 'w' (since perm[25]='w') So that, the message is modified to "bicyik fibbqai km ixcmzi" Improve your solution so that is will handle uppercase characters too, so that if "Secret Message To Encode"; the message is modified to "Bicyik Fibbqai Km Ixcmzi"

Write a simple substitution code for an alphabetic string. That is, declare a permutation of the 26 alphabetic characters i.e. char perm[] = "qjczieaungsdfxmphybklortvw" Now, given a message string e.g. char msg[] = "secret message to encode"; Replace all occurrences of 'a' with 'q' (since perm[0]='q') Replace all occurrences of 'b' with 'j' (since perm[1]='j') Replace all occurrences of 'z' with 'w' (since perm[25]='w') So that, the message is modified to "bicyik fibbqai km ixcmzi" Improve your solution so that is will handle uppercase characters too, so that if "Secret Message To Encode"; the message is modified to "Bicyik Fibbqai Km Ixcmzi"

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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In C language, write a simple substitution code for an alphabetic string. That is, declare a permutation of the 26 alphabetic characters i.e. char perm[] = “qjczieaungsdfxmphybklortvw” Now, given a message string e.g. char msg[] = “secret message to encode”; Replace all occurrences of ‘a’ with ‘q’ (since perm[0]=’q’) Replace all occurrences of ‘b’ with ‘j’ (since perm[1]=’j’) Replace all occurrences of ‘z’ with ‘w’ (since perm[25]=’w’)So that, the message is modified to “bicyik fibbqai km ixcmzi” This programme should only convert lowercase letters. Any input character that is not a lowercase letter should be left unchanged.