Consider the following code snippet in C programming language. int n = 5; int m = n++; What is the value of m after execution?
5
To determine the value of m after the execution of the given C code snippet, let's analyze the code step-by-step:
-
The code begins by initializing an integer variable
nwith the value 5:int n = 5; -
Next, another integer variable
mis declared and assigned the value ofn++:int m = n++;-
Here,
n++is the postfix increment operator. In postfix incrementation, the current value ofnis used in the expression, and thennis incremented by 1. - The current value of
nbefore the increment is 5. - This value 5 is assigned to
m. - After the assignment,
nis incremented, makingn = 6.
-
Here,
Thus, after executing the code, the value of m is 5. This is because the postfix operator uses the value before incrementation.
Conclusion: The value of m after execution is 5. Therefore, the correct answer is 5.
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Important Questions from Programming in C
In object-oriented programming, which keyword ensures that a member variable belongs to the class itself rather than to any specific object, thereby allowing all instances to share a single copy of that variable?
The three basic structure types used to write the algorithm for a program are sequence, selection and repetition. Which of the following is NOT an advantage of using only these structures when writing the algorithm for a program?
Which statement(s) is/are true about formation of identifier in C?
I. It consist of alphabets, digits and underscore.
II. An identifier can start with an underscore.
What is the output of the code written in C?
void main()
{
printf("%d",7%-3);
printf("%d",-7%3);
}
Which of the following statement(s) is/are true about pre-processor in C/C++?
I. To replace each #include directive with the contents of the designated file.
II. To replace each escape sequence with designated character.
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