Starting Out with C++ from Control Structures to Objects (9th Edition)
9th Edition
ISBN: 9780134498379
Author: Tony Gaddis
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 5, Problem 18PC
Program Plan Intro
Population Bar Chart
- Include the required header files to the program.
- Define the “main()” function.
- Declare the required variables.
- Open the input file and get the input data from the file.
- Print the bar chart.
- Close the file.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Pressure Unit ConversionsWrite a program that converts a value in Torr into Kilopascal. Both of these are units used to measure pressure. Use the following formula to covert Torr to Kilopascal: 1 Torr = 132/1000 KiloPascalsYour Program must use a loop to display a table of the quantities in Torr from 1 to 10 and their KiloPascal equivalents.
GirlNames.txt This file contains a list of the 200 most popular names given to girls born in the United States from the year 2000 through 2009.
BoyNames.txt This file contains a list of the 200 most popular names given to boys born in the United States from the year 2000 through 2009.
Write a program that reads the contents of the two files into two separate lists. The user should be able to enter a boy’s name, a girl’s name, or both, and the application will display messages indicating whether the names were among the most popular.
**programming language is python**
** must use a def main(): function**
*please include some comments*
i aslo have the .txt files but no wya to upload them
This assignment is in Python. My code is at the bottom.
12.11 LAB: Course Grade
Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20.
The program performs the following tasks:
Read the file name of the tsv file from the user.
Open the tsv file and read the student information.
Compute the average exam score of each student.
Assign a letter grade to each student based on the average exam score in the following scale:
A: 90 =< x
B: 80 =< x < 90
C: 70 =< x < 80
D: 60 =< x < 70
F: x < 60
Compute the average of each exam.
Output the last names, first names, exam scores, and letter grades…
Chapter 5 Solutions
Starting Out with C++ from Control Structures to Objects (9th Edition)
Ch. 5.1 - What will the following program segments display?...Ch. 5.3 - Write an input validation loop that asks the user...Ch. 5.3 - Write an input validation loop that asks the user...Ch. 5.3 - Write an input validation loop that asks the user...Ch. 5.5 - Prob. 5.5CPCh. 5.6 - Name the three expressions that appear inside the...Ch. 5.6 - You want to write a for loop that displays I love...Ch. 5.6 - Prob. 5.8CPCh. 5.6 - Write a for loop that displays your name 10 times.Ch. 5.6 - Write a for loop that displays all of the odd...
Ch. 5.6 - Write a for loop that displays every fifth number,...Ch. 5.8 - Write a for loop that repeats seven times, asking...Ch. 5.8 - In the following program segment, which variable...Ch. 5.8 - Prob. 5.14CPCh. 5.8 - How would you modify Program 5-13 so any negative...Ch. 5.11 - What is an output file? What is an input file?Ch. 5.11 - What three steps must be taken when a file is used...Ch. 5.11 - What is the difference between a text file and a...Ch. 5.11 - Budget Analysis Write a program that asks the user...Ch. 5.11 - Random Number Guessing Game Write a program that...Ch. 5.11 - What type of file stream object do you create if...Ch. 5.11 - Write a short program that uses a for loop to...Ch. 5.11 - Write a short program that opens the file created...Ch. 5 - Why should you indent the statements in the body...Ch. 5 - Describe the difference between pretest loops and...Ch. 5 - Why are the statements in the body of a loop...Ch. 5 - What is the difference between the while loop and...Ch. 5 - Which loop should you use in situations where you...Ch. 5 - Which loop should you use in situations where you...Ch. 5 - Which loop should you use when you know the number...Ch. 5 - Why is it critical that counter variables be...Ch. 5 - Why is it critical that accumulator variables be...Ch. 5 - Why should you be careful not to place a statement...Ch. 5 - What header file do you need to include in a...Ch. 5 - What data type do you use when you want to create...Ch. 5 - What data type do you use when you want to create...Ch. 5 - Why should a program close a file when its...Ch. 5 - What is a files read position? Where is the read...Ch. 5 - To ______ a value means toincreaseit by one,and to...Ch. 5 - Prob. 17RQECh. 5 - Prob. 18RQECh. 5 - The statement or block that is repeated is known...Ch. 5 - Each repetition of a loop is known as a(n)...Ch. 5 - A loop that evaluates its test expression before...Ch. 5 - A loop that evaluates its test expression after...Ch. 5 - A loop that does not have a way of stopping is...Ch. 5 - A(n) _____ is a variablethatcountsthe number of...Ch. 5 - A(n) _____ is a sum of numbers that accumulates...Ch. 5 - A(n) _____ is a variable that is initialized to...Ch. 5 - Prob. 27RQECh. 5 - The _____ loop always iterates at least once.Ch. 5 - The _____ and _____ loops will not iterate at all...Ch. 5 - The _____ loop is ideal for situations that...Ch. 5 - Inside the for loops parentheses, the first...Ch. 5 - A loop that is inside another is called a(n)...Ch. 5 - The ___________ statement causes a loop to...Ch. 5 - The _____ statement causes _____ a loop to skip...Ch. 5 - Write a while loop that lets the user enter a...Ch. 5 - Write a do-while loop that asks the user to enter...Ch. 5 - Write a for loop that displays the following set...Ch. 5 - Write a loop that asks the user to enter a number....Ch. 5 - Write a nested loop that displays 10 rows of #...Ch. 5 - Convert the following while loop to a do-while...Ch. 5 - Convert the following do-while loop to a while...Ch. 5 - Convert the following while loop to a for loop:...Ch. 5 - Convert the following for loop to a while loop:...Ch. 5 - Write code that does the following: Opens an...Ch. 5 - Write code that does the following: Opens the...Ch. 5 - Modify the code that you wrote in Question 45 so...Ch. 5 - T F The operand of the increment and decrement...Ch. 5 - T F The cout statement in the following program...Ch. 5 - T F The cout statement in the following program...Ch. 5 - T F The while loop is a pretest loop.Ch. 5 - T F The do-while loop is a pretest loop.Ch. 5 - T F The for loop is a posttest loop.Ch. 5 - T F It is not necessary to initialize counter...Ch. 5 - T F All three of the for loops expressions may be...Ch. 5 - T F One limitation of the for loop is that only...Ch. 5 - T F Variables may be defined inside the body of a...Ch. 5 - T F A variable may be defined in the...Ch. 5 - T F In a nested loop, the outer loop executes...Ch. 5 - T F In a nested loop, the inner loop goes through...Ch. 5 - T F To calculate the total number of iterations of...Ch. 5 - T F The break statement causes a loop to stop the...Ch. 5 - T F The continue statement causes a terminated...Ch. 5 - T F In a nested loop, the break statement only...Ch. 5 - Prob. 64RQECh. 5 - // Find the error in this program. #include...Ch. 5 - // This program adds two numbers entered by the...Ch. 5 - // This program uses a loop to raise a number to a...Ch. 5 - // This program averages a set of numbers....Ch. 5 - // This program displays the sum of two numbers....Ch. 5 - // This program displays the sum of the numbers...Ch. 5 - Sum of Numbers Write a program that asks the user...Ch. 5 - Characters for the ASCII Codes Write a program...Ch. 5 - Ocean Levels Assuming the oceans level is...Ch. 5 - Calories Burned Running on a particular treadmill...Ch. 5 - Membership Fees Increase A country club, which...Ch. 5 - Distance Traveled The distance a vehicle travels...Ch. 5 - Pennies for Pay Write a program that calculates...Ch. 5 - Math Tutor This program started in Programming...Ch. 5 - Hotel Occupancy Write a program that calculates...Ch. 5 - Average Rainfall Write a program that uses nested...Ch. 5 - Population Write a program that will predict the...Ch. 5 - Celsius to Fahrenheit Table In Programming...Ch. 5 - The Greatest and Least of These Write a program...Ch. 5 - Student Line Up A teacher has asked all her...Ch. 5 - Payroll Report Write a program that displays a...Ch. 5 - Savings Account Balance Write a program that...Ch. 5 - Sales Bar Chart Write a program that asks the user...Ch. 5 - Prob. 18PCCh. 5 - Budget Analysis Write a program that asks the user...Ch. 5 - Random Number Guessing Game Write a program that...Ch. 5 - Random Number Guessing Game Enhancement Enhance...Ch. 5 - Square Display Write a program that asks the user...Ch. 5 - Pattern Displays Write a program that uses a loop...Ch. 5 - Using FilesNumeric Processing If you have...Ch. 5 - Prob. 25PCCh. 5 - Personal Web Page Generator Write a program that...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Data File: Example #1AAAAABBBBBCCCCCDDDDDAAEBCBAFBBCDCECDADDEFEEFFFExample #2AAATAABTBBBBCCCCTCDDTDDDAASAABBSBBCCSCCDSDDDEEEAEEFBFFFDDF Write a program that will give the user a brief introduction, then allow the user to type in the name of the file to be analyzed, the name of the data file to generate, and then process the data to match the output that is shown below. This DNA test measures the various parts of the sequence and assigns them a letter. While the letters could be anything from A to Z, the only letters that matter for this test are the letters {A,B,C,D} all other letters can be ignored completely. A sample will be tested, given a length of time and then tested again. Each time the scientist will generate a line of data. Here is one Example: Example #1 AAAAABBBBBCCCCCDDDDD AAEBCBAFBBCDCECDADDEFEEFFF At first glance the sample looks significantly different after the second test. But if you look at the data, you will note that since we only care about A,B,C,D’s that the…arrow_forwardBASH FLOW CHART: Create a flow chart to describe an algorithm that takes a text file with format ID,FirstName,Last Name,Street,City and appends a user ID field consisting of a C followed by theemployee ID. For example, the first entries in Lab 2's employees.txt are:0,Douglas L,Eberhard,Addenda Circle,Cornwall1,Elizabeth Sua,Hemauer,Wyatt Way,Peterborough2,Bailey Rae,Lopez,Turnagain Street,Sault Ste. MarieAfter processing, the entries should be:0,Douglas L,Eberhard,Addenda Circle,Cornwall,C01,Elizabeth Sua,Hemauer,Wyatt Way,Peterborough,C12,Bailey Rae,Lopez,Turnagain Street,Sault Ste. Marie,C2arrow_forward(Misc. application) Four experiments are performed, and each experiment has six test results. The results for each experiment are given in the following list. Write a program using a nested loop to compute and display the average of the test results for each experiment. 1stexperimentresults:23.23116.92725.428.62ndexperimentresults:34.845.227.936.833.439.43rdexperimentresults:19.416.810.220.818.913.44thexperimentresults:36.93949.245.142.750.6arrow_forward
- C programming (Strings and file I/O) Write a program that asks the user for 5 names and 5 scores (0 to 100) for the test, and write the names and scores to a file (test_score.txt). Read the file to find and display the average, lowest, and highest scores. If the name the user enters is "Jacob," assign 100 points to Jacob's score, regardless of what the user enters. Input Example James 80 Peter 76 Amy 67 Jacob 94 Jenny 92 Output Example Jacob has the highest score of 100. Amy has the lowest score of 67. The average of the test is 83. // (80+76+67+100+92)/5arrow_forwardThe Apgar Medical group keeps a patient file for each doctor in the office. Each record contains the patient's first and last name, home address, and birth year. The records are sorted in ascending birth year order. Write a program so that display a count of the number of patients born each year John Hanson, 23 Elm, 1927Mary Locust, 476 Maple, 1950Susan Monroe, 512 Peachtree, 1957Carol Fortune, 2819 Locust, 1960James Fortune, 2819 Locust, 1963Lawrence Fish, 12 Elm, 1968Janice Weiss, 234 Birch, 1971Henry Garza, 199 Second, 1973Kimberly Swanson, 310 Appletree, 1980Louis Claude, 2716 Third, 1981Jill Fox, 12 Oak, 1985Opal Reynolds, 78 County Line, 1987Francis Dumas, 67 Fourth, 1992Madison Conroy, 23 Fifth, 1996Daniel Moy, 100 Sunset, 1987arrow_forwardC++ Visual Studio 2019 Write a program that opens a specified text file then displays a list of all the unique words found in the file. Addition to the text book specifications, print the total of unique words in the file. Hint: Store each word as an element of a set. Note: Save text below as the file to use and name it forChap12.txt file for this assignment. Text: No one is unaware of the name of that famous English shipowner, Cunard. In 1840 this shrewd industrialist founded a postal service between Liverpool and Halifax, featuring three wooden ships with 400-horsepower paddle wheels and a burden of 1,162 metric tons. Eight years later, the company's assets were increased by four 650-horsepower ships at 1,820 metric tons, and in two more years, by two other vessels of still greater power and tonnage. In 1853 the Cunard Co., whose mail-carrying charter had just been renewed, successively added to its assets the Arabia, the Persia, the China, the Scotia, the Java, and the Russia,…arrow_forward
- Average grades bar chart Write a python program grades.py that reads a file of assignment grades and draws a bar chart of the average grades for each assignment. Save the figure as grades.png in the current working directory. The format of a line in the file is: assignment_type grade Note that there is a single space between the assignment type and the grade. E.g. exam 92.80 Your program must contain the following functions: Function name Function description Function input(s) Function return value(s) get_grades() This function takes a file name as input and populates a dictionary containing the assignment types and grades. Filename string Dictionary of grades main() This function prompts for the grades file name. Next, it calls the functions get_grades(). Next, it draws the bar chart of the average grade for each assignment. Hint: You can use the mean function of the statistics module to calculate the average of a list. None None Use the starter…arrow_forwardTask: Loading data from files This exercise will require you to load some information from files and use it in your program. scene.txt contains a description of a series of shapes and colours to draw. You need to write code to read in the file data and draw the requested shapes in the correct colour. Each line in scene.txt will contain one of the following starting keywords followed by some data: COLOUR followed by 3 values: R, G, B CIRCLE followed by 3 values: X, Y, RADIUS RECT Followed by 4 values: X, Y, W, H LINE Followed by 4 values: X1, Y1, X2, Y2 CIRCLES are defined from the center. RECT's are defined from the top left. All values are space separated, and you can assume all input is correct (no errors). Please solve this program to draw the scene. I can't upload the file scene.txt, so I decide to screenshot a file for you. Subject: Java Programmingarrow_forwardneed help: (Address book) Write a program that stores, retrieves, adds, and updates addresses as shown in Figure 17.20. Use a fixed-length string for storing each attribute in the address. Use random access file for reading and writing an address. Assume that the size of name, street, city, and zip is 32, 32, 20, 2, 5 chars, respectivelyarrow_forward
- Code should be in Python. Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20. The program performs the following tasks: Read the file name of the tsv file from the user. Open the tsv file and read the student information. Compute the average exam score of each student. Assign a letter grade to each student based on the average exam score in the following scale: A: 90 =< x B: 80 =< x < 90 C: 70 =< x < 80 D: 60 =< x < 70 F: x < 60 Compute the average of each exam. Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt. Output…arrow_forwardQuestion 1: use python An instructor teaches a class in which each student takes three exams. The instructor would like to store this information in a file named grades.csv for later use. Write code that enables an instructor to enter each student’s first name and last name as strings and the student’s three exam grades as integers. Display the data in tabular format, including an additional column showing each student’s average to the right of that student’s three exam grades and an additional row showing the class average on each exam below that exam’s column.arrow_forward// This pseudocode should create a list that describes annual profit // statistics for a retail store. Input records contain a department // name (for example, ìCosmeticsî) and profits for each quarter for // the last two years. The program should determine whether // the profit is higher, lower, or the same // for this full year compared to the last full year. start Declarations string department num salesQuarter1ThisYear num salesQuarter2ThisYear num salesQuarter3ThisYear num salesQuarter3ThisYear num salesQuarter1LastYear num salesQuarter2LastYear num salesQuarter3ThisYear num salesQuarter4LastYear num totalThisYear num totalLastYear string status num QUIT = "ZZZZ" housekeeping() while department <> QUIT compareProfit() endwhile finishUp() stop housekeeping()DEBUG04-02.txt output "Enter department name or ", QUIT, " to quit " input dept return compareProfit()…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology PtrC++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
C++ for Engineers and Scientists
Computer Science
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Course Technology Ptr
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning