Answered: Write in C++ Write a function called…

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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Write in C++

Write a function called charCount() that takes a string as an argument. Count the number of occurrences of each character in the string and print the characters and their counts in alphabetical order (first uppercase and then lowercase) if they occur at least once in the string. Return the number of unique characters in the string (capital and lowercase are considered different).

Function specifications

Name: charCount()
Parameters (Your function should accept these parameters IN THIS ORDER):
- input_text string: The text string containing characters between A to Z and a to z
Return Value: int: The number of unique letters in the input string
The function should print the number of occurrences for every letter that appears at least once in the input string, beginning with capital letters.

Hint: Create an integer array (or multiple arrays) where each element represents the number of occurrences for every letter. Iterate over characters in the string, incrementing the appropriate count at each iteration.

Write a function called charCount() that takes a string as an argument. Count the number of occurrences of each character in the string
and print the characters and their counts in alphabetical order (first uppercase and then lowercase) if they occur at least once in the string.
Return the number of unique characters in the string (capital and lowercase are considered different).
Function specifications
• Name: charCount()
• Parameters (Your function should accept these parameters IN THIS ORDER):
o input_text string : The text string containing characters between A to Z and a to z
• Return Value: int: The number of unique letters in the input string
• The function should print the number of occurrences for every letter that appears at least once in the input string, beginning with
capital letters.
Hint: Create an integer array (or multiple arrays) where each element represents the number of occurrences for every letter. Iterate over
characters in the string, incrementing the appropriate count at each iteration.
Sample run 1: Function call
string text_input = "Colorado";
// num_chars will store the values returned by charCount
int num_chars =
charCount (textInput);
cout << "Unique characters: " << num_chars << endl;
Output
C: 1
a: 1
d: 1
l: 1
0: 3
r: 1
Unique characters: 6

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