C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Suppose that the input is 0 5 6 4 9 8 -1. What is the output of thefollowing code? int num;int sum;cin >> num;sum = num;while (num != -1){sum = sum + num * (num - 1);cin >> num;}cout << "Sum = " << sum << endl;
int const MULTIPLIER = 5; is a valid way to declare a constant integer variable.
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True
False
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Given the following code segment, what is output to the screen?
int num1 = 6;
int num2 = 4 * num1++;
cout << "num1=" << num1 << " num2=" << num2;
Group of answer choices
num1=7 num2=24
num1=6 num2=24
num1=6 num2=28
Nothing, because the code does not compile.
When we say arithmetic expression, we mean a kind of expression you can type in a very basic desk calculator. That is, neither variables nor brackets are allowed. It contains only numbers and four arithmetic operators, +, -, *, and /.
The following are some examples of arithmetic expression:
Any number string with or without signs - e.g. 3, -1, +10, 3.14, -0.70 and 099.
Number strings mixed with arithmetic operators - e.g. 3+5, -1+2*3, 7/10-0.7, and -1.4-+8.2.
An example of FA diagram for recognising a non-negative integer is given below. You may use it as a start point. You need to add a few more states and transitions to handle numbers with decimal point and signs (e.g. -5, +2, 0.21, -32.6, +99.05, but not the form 1.0E-3). Most importantly, you also need to add a few more things to deal with the arithmetic operators +, -, *, /.
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