Program: Data visualization (C++)
(1) Prompt the user for a title for data. Output the...
Computers and Technology, 21.03.2020 10:00 kalbaugh
Program: Data visualization (C++)
(1) Prompt the user for a title for data. Output the title. (1 pt) Ex: Enter a title for the data: Number of Novels Authored You entered: Number of Novels Authored
(2) Prompt the user for the headers of two columns of a table. Output the column headers. (1 pt) Ex: Enter the column 1 header: Author name You entered: Author name Enter the column 2 header: Number of novels You entered: Number of novels
(3) Prompt the user for data points. Data points must be in this format: string, int. Store the information before the comma into a string variable and the information after the comma into an integer. The user will enter -1 when they have finished entering data points. Output the data points. Store the string components of the data points in a vector of strings. Store the integer components of the data points in a vector of integers. (4 pts) Ex: Enter a data point (-1 to stop input): Jane Austen, 6 Data string: Jane Austen Data integer: 6
(4) Perform error checking for the data point entries. If any of the following errors occurs, output the appropriate error message and prompt again for a valid data point. If entry has no comma Output: Error: No comma in string. (1 pt) If entry has more than one comma Output: Error: Too many commas in input. (1 pt) If entry after the comma is not an integer Output: Error: Comma not followed by an integer. (2 pts) Ex: Enter a data point (-1 to stop input): Ernest Hemingway 9 Error: No comma in string. Enter a data point (-1 to stop input): Ernest, Hemingway, 9 Error: Too many commas in input. Enter a data point (-1 to stop input): Ernest Hemingway, nine Error: Comma not followed by an integer. Enter a valid data point: Ernest Hemingway, 9 Data string: Ernest Hemingway Data integer: 9
(5) Output the information in a formatted table. The title is right justified with a setw() value of 33. Column 1 has a setw() value of 20. Column 2 has a setw() value of 23. (3 pts) Ex: Number of Novels Authored
Author name | Number of novels
Jane Austen | 6
Charles Dickens | 20
Ernest Hemingway | 9
Jack Kerouac | 22
F. Scott Fitzgerald | 8
Mary Shelley | 7
Charlotte Bronte | 5
Mark Twain | 11
Agatha Christie | 73
Ian Flemming | 14
J. K. Rowling | 14
Stephen King | 54
Oscar Wilde | 1
(6) Output the information as a formatted histogram. Each name is right justified with a setw() value of 20. (4 pts) Ex:
Jane Austen
Charles Dickens
Ernest Hemingway
Jack Kerouac
F. Scott Fitzgerald
Mary Shelley
Charlotte Bronte
Mark Twain
Agatha Christie
Ian Flemming
J. K. Rowling
Stephen King
Oscar Wilde *
Answers: 3
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