Explain the changing field width, C/C++ Programming

Assignment Help:

Changing Field width

The printf() and scanf() functions from the standard library, use width specifier for controlling the width of its output . Similarly, the ostream class also has a member function width() for the same. This function has the following prototype.

                int width(void);

                int width(int newsize);

The first form returns the current field width. The default is always zero. That is because, the cout object always uses space just wide enough to output the values and a default size if zero matches all. The second form can be used to alter the current width setting. The argument passed to it is the new width to be set. It also returns the previous width. The width () function affects only the next item displayed. The filed width reverts to default afterwards.

e.g.

                void main()

                 {

                                cout<<" default width="<< cout.width()<

                                cout<<"[";

                                cout.width(10);                                 Set width to 10

                                cout<<"A";

                                cout<<"]";

                }

 


Related Discussions:- Explain the changing field width

Develop an auto-click bot, What I need is an auto-click bot. The auto-click...

What I need is an auto-click bot. The auto-click bot would ask me for a url(or it would be pre-defined too) so that it loads that specific url and click an ad automatically. This w

Random card generator, i need a program that generates this output: The hig...

i need a program that generates this output: The highest card wins! Suit Order is: clubs, diamonds, hearts and spades The computers card is the 5 of Spades. The player’s card is t

Where are longjmp and setjmp used in c++, Where are longjmp and setjmp used...

Where are longjmp and setjmp used in C++? -Setjmp and longjmp must not be used in C++. - Longjmp jumps out of the function without unwinding stack. This means that local obj

Area under curve, a program to find the area under curve y=f(x) between x=a...

a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b.

Crossoword puzzle, find wether specific word is inside a pool of word and w...

find wether specific word is inside a pool of word and what is the direction e.g. north

#calculate percentge, #write a multilevel c++ program to take marks of 3 su...

#write a multilevel c++ program to take marks of 3 subjects and calculate percentage and display it

#luminous jewel polishing necklace, Ask question # Byteland county is very ...

Ask question # Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particu

Super ASCII string checker, In the Byteland country a string "s" is said to...

In the Byteland country a string "s" is said to super ascii string if and only if count of each charecter in the string is equal to its ascci value in the byteland country ascii co

We need to decompile ex4 to mq4, We need to Decompile ex4 to mq4 I have ...

We need to Decompile ex4 to mq4 I have three expert advisors for mt4, which I need to decompile to its original mq4 code. Skills required are C Programming, C++ Programming,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd