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(Numerical) a. The following is an extremely useful
Step 1: Multiply the number by
Step 2: Add 0.5
Step 3: Delete the fractional part of the result
Step 4: Divide by
For example, using this algorithm to round the number 78.374625 to three decimal places yields:
Using this algorithm, write a C++ function that accepts a user-entered value and returns the result rounded to two decimal places.
b. Enter, compile, and run the program written for Exercise 11a.
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Chapter 6 Solutions
C++ for Engineers and Scientists
- Description Xiao Zhang is often distressed because there are too many things to arrange. Now he has n tasks at hand, and each task has a starting times, and an ending time e;. To complete a task, he must do it from the starting time to the ending time, and Xiao Zhang can only perform one task at the same time. Xiao Zhang wants to know how many tasks he can accomplish at most. Input The first line is an integer n (1sns300000), indicating the number of tasks Xiao Zhang has at hand. In the next n lines, each line contains two integers s₁, e¡ (1≤s;arrow_forwardusing Python (if- elif-else-sample operations -intl)-float|-input() these are thee only codes that are allowed to use.arrow_forwarduse python language only, no c++ or otherarrow_forwardThe hexadecimal numeration system, used in computer programming, is a base sixteen system that uses the symbols 0, 1,2,3,4,5,6,7, 8,9, A, B, C, D, E, and F. Change the following hexadecimal numeral to a base ten numeral. 2CDExtenarrow_forward(PYTHON) A Krishnamurthy number is a number which sum of the factorial of its digits is equal to the number itself. For example: Let us consider the number 145. Factorial sum = 1! + 4! + 5! = 1 + 24 + 120 = 145. Therefore 145 is a Krishnamurthy number. Other examples include: 1, 2, 40585. Write a program that does the following: • asks the user to input an integer. • computes whether the number is a Krishnamurthy number. • then finally prints the result. Note: You are not allowed to use the built-in function math.factorial.arrow_forward( x1=4 , x2=4 )arrow_forwardCode on Python The following data are given: x= [1, 3, 5, 7]; y=[ln (1), ln (3), ln (5), In (7)] 1. a) Write the python program to interpolate the above data using the Newton's divide- difference method. b) Print out the divide difference cofficients. c) Estimate the logarithm of 2. Print out the true value, interpolating value and the true relative error in %. d) Show on a graph the true function In(x), interpolating polynomial and data points.arrow_forwardContext: Using Python, I am also a beginner in programming. Having a hard time completing this practice and assisstance is appreciatedarrow_forward1. Use if - else - elif Read 3 numbers from the user and check the following. (i) If the 1st number is equal to 2nd number, add both the numbers and print the sum. (ii) If the 2nd number is equal to 3rd number, multiply both the numbers and print the product. (iii) If the 1st number is equal to 3rd number, print 'Both numbers are equalarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
- C++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage LearningEBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
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