1. What is the output of printf("%d")
2. What will happen if I say delete this
3. Difference between "C structure" and "C++ structure".
4. Diffrence between a "assignment operator" and a "copy
constructor"
5. What is the difference between "overloading" and
"overridding"?
6. Explain the need for "Virtual Destructor".
7. Can we have "Virtual Constructors"?
8. What are the different types of polymorphism?
9. What are Virtual Functions? How to implement virtual
functions in "C"
10. What are the different types of Storage classes?
11. What is Namespace?
12. What are the types of STL containers?.
13. Difference between "vector" and "array"?
14. How to write a program such that it will delete itself
after exectution?
15. Can we generate a C++ source code from the binary file?
16. What are inline functions?
17. Talk sometiming about profiling?
18. How many lines of code you have written for a single
program?
19. What is "strstream" ?
20. How to write Multithreaded applications using C++?
21. Explain "passing by value", "passing by pointer" and
"passing by reference"
22. Write any small program that will compile in "C" but not
in "C++"
23. Have you heard of "mutable" keyword?
24. What is a "RTTI"?
25. Is there something that I can do in C and not in C++?
26. Why preincrement operator is faster than postincrement?
27. What is the difference between "calloc" and "malloc"?
28. What will happen if I allocate memory using "new" and
free it using "free" or allocate sing "calloc" and free it
using "delete"?
29. What is Memory Alignment?
30. Explain working of printf.
31. Difference between "printf" and "sprintf".
32. What is "map" in STL?
33. When shall I use Multiple Inheritance?
34. What are the techniques you use for debugging?
35. How to reduce a final size of executable?
36. Give 2 examples of a code optimization.
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Answer Posted / saikumar
22)ans :
main()
{
int i=1,n=10;
while(i<=n)
{
printf("%d\n");
}
| Is This Answer Correct ? | 0 Yes | 5 No |
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write a programe to accept any two number and check the
following condition using goto state ment.if a>b,print a &
find whether it is even or odd and then print.and
a develop a breakfast order booking system using Functions,
Structures and Arrays. The system is to support the
operations shown to the user in the following system’s menu:
Welcome to Asim's Restaurant
Select an operation?
1 Make a breakfast order
2 Modify existing order
3 Cancel existing order
4 Print Bill
5 Exit
Type in your selection (1, 2, 3, 4 or 5):
The program will include an array of structures. The
structure type is called MenuItem, and the array of
structures should be declared as menu[50] to store upto 50
breakfast menu items. The MenuItem structure must have the
following 4 data fields (i.e. members): Code, description,
unitprice, and quantity.
Your program must define at least the following functions:
Function LoadData(…) that loads the data of breakfast
menu items from an input file menu.txt into the array menu.
Five separate functions to handle the program main menu
five tasks shown above.
In general, function main() should load the data into the
array menu and display the main menu of the above mentioned
tasks. Based on the option selected, the corresponding
function should be called. Users must make an order before
requesting modify, cancel or print order bill (See the
given sample run). Here is a more detailed explanation on
the above tasks and functions.
LoadData(…)
Opens the input file menu.txt (you will create it)
containing breakfast menu items data (See below) and assign
these values to the corresponding array menu structure
fields. Assign zero to the quantity field of the loaded
menu items.
Welcome to Asim's Restaurant
Select an operation?
1 Make a breakfast order
2 Modify existing order
3 Cancel existing order
4 Print Bill
5 Exit
Type in your selection (1, 2, 3, 4 or 5):
MakeOrder(…)
This function is called when the user selects option 1 from
the main menu. It first displays the breakfast menu items
to the user (stored in the array menu) along with all the
necessary information (item code, description and unit
price). It then requests the user to select an item using
the item code (see the sample run). When the user enters an
item code number the program should verify the code number
and increment the quantity of the selected item in the
array menu. Your program should reject invalid item codes
and request the user to re-enter the item code or stop the
entry.
PrintBill(…)
This function is called when the user selects option 4 from
the main menu. The function displays the breakfast menu
items in the breakfast order by printing the values of all
MenuItem members of the array menu that have quantity value
above zero. Print a nicely formatted bill (See the sample
run).
CancelOrder(…)
This function is called when the user selects option 3 from
the main menu. It will cancel the breakfast order by
setting the quantity value of all the array menu structures
to zero.
ModifyOrder(….)
This function is called when the user selects option 2 from
the main menu. The task of this function is to allow the
user to edit an existing breakfast order with two
operations: Adding more breakfast items and/or altering the
breakfast item that were ordered before (examine the sample
program run).
Handling Errors and Invalid Input
Your program should reply safely to any erroneous situation
or input with appropriate message to the user and flow
nicely and correctly to the next operation (Examine the
sample program run).
Additional functions
Use of functions is highly recommended for any additional
special tasks needed by your solution. Global variables are
not allowed except for max array menu size 50. You must
pass the needed parameters through functions parameter
lists.
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