C++ Programming Quiz

What is the output of the following C++ statement if int a = 5; and int b = 3;? cout << a + b;

• 53

• 8

• 2

• 15

Which of the following is a valid data type in C++?

• object

• number

• int

• syntax

If you don’t understand a problem statement in competitive programming, the best approach is…

• Panic and submit whatever you’ve written

• Read it another 10 times, hoping it magically makes sense

• Break it down into smaller parts and ask for clarifications if needed

• Blame it on your lack of sleep and give up

What type of data does the bool data type in C++ store?

• Whole numbers

• Characters

• True or False values

• Decimal numbers

How do you declare a variable x that stores the integer value 10 in C++?

• var x = 10;

• int x = 10;

• x int = 10;

• num x = 10;

What will be the result of the expression 10 / 3 in C++?

• 3.33

• 3

• 4

• 3.0

Which of the following is not a valid operator in C++?

• ++

• --

• **

• +=

x % y = n , n is ?

• n ∈ [0, y-1]

• n ∈ [0, x-1]

• n ∈ [0, x+1]

• n ∈ ]-∞, ∞[

Which of the following statements correctly initializes a string variable in C++?

• string s = 'Hello';

• string s = "Hello";

• string s = Hello;

• string s = "H" + "ello";

What will be the output of the following C++ code snippet: int a = 10; int b = 5; cout << a - b;

• 5

• 15

• 10

• 0