problem with c++

[Sebu¶]

Hello!

I have a little problem with one thing.

Write the program, which change every second letter on the big letter, in
every word which I "cin" from keyboard.
For example:

John has a cat.

JOhn hAs a cAt.


Please help me!
========
sebussebus

 

[int2str]

Hello!

I have a little problem with one thing.

Your problem is not with C++, it's with your homework.

For that problem, you'll find the answer here:
http://www.parashift.com/c++-faq-lite/how-to-post.html#faq-5.2

Cheers,
Andre

 

[int2str]

Hello!

I have a little problem with one thing.

Your problem is not with C++, it's with your homework.

For that problem, you'll find the answer here:
http://www.parashift.com/c++-faq-lite/how-to-post.html#faq-5.2

Cheers,
Andre

 

[Victor Bazarov]

Hello!

I have a little problem with one thing.

Which "thing" do you have the problem with?

Write the program, which change every second letter on the big letter, in
every word which I "cin" from keyboard.
For example:

John has a cat.

JOhn hAs a cAt.


Please help me!

Help you, how? Write it for you?

 

[Sebus]

I have program:

===========
#include <string>
#include <iostream>
#include <cctype>
#include <string>

using namespace std;
int main( )
{
string s;
do
{
cin >> s;
s[2]=to_upper(s[2]);
cout << s << ' ';
}
while(cin);
cout << endl;
}
=========

But DevC++ write me:
'to_upper' undeclared (first use this function).

I can't see it where it isn't undelclared?

 

[int2str]

Always post the code if you have it right away. Saves you from getting
the replies you got.

I have program:

===========
#include <string>
#include <iostream>
#include <cctype>
#include <string>

using namespace std;
int main( )
{
string s;
do

while( cin >> s ) ...

{
cin >> s;
s[2]=to_upper(s[2]);

to_upper() doesn't exist. It's toupper().
Also note that accessing s[2] will cause a crash (or undefined
behaviour at best) if the string entered is less than 2 characters...

cout << s << ' ';
}
while(cin);
cout << endl;
}
=========

But DevC++ write me:
'to_upper' undeclared (first use this function).

I can't see it where it isn't undelclared?

Cheers,
Andre

 

[red floyd]

I have program:

===========
#include <string>
#include <iostream>
#include <cctype>
#include <string>

using namespace std;
int main( )
{
string s;
do
{
cin >> s;
s[2]=to_upper(s[2]);
cout << s << ' ';
}
while(cin);
cout << endl;
}
=========

But DevC++ write me:
'to_upper' undeclared (first use this function).

I can't see it where it isn't undelclared?

toupper(), not to_upper().

 

[Markus Moll]

Hi

Also note that accessing s[2] will cause a crash (or undefined
behaviour at best) if the string entered is less than 2 characters...

Surely you meant three.

Markus

 

[Sebus]

Not three, but one it's ok.
The every second letter have to toupper.

I have one more thing:
==

write program, which rename name of files (all files) in catalogue "test",
to add "0" to the name of file.
For example:

we have three files:
d://test//file1.dat
d://test//file2.dat
d://test//file3.dat

and we have to have:

d://test//file10.dat
d://test//file10.dat
d://test//file10.dat


I used "rename" but i don't know what about mask, for example:
rename(*.*,*0.*).

Could You help me???

 

[Markus Becker]

Also note that accessing s[2] will cause a crash (or undefined
behaviour at best) if the string entered is less than 2 characters...

Surely you meant three.

I'm quite sure he didn't.

Markus

 

[int2str]

Hi

Also note that accessing s[2] will cause a crash (or undefined
behaviour at best) if the string entered is less than 2 characters...

Surely you meant three.

Markus

Never said I could count!

But yes, this also points out another mistake by the OP - s[2] is the
THIRD letter, not the second one. I based my reply on the desire to
modify the second letter.

Cheers,
Andre

 

[peter koch]

Markus Moll skrev:

Hi

Also note that accessing s[2] will cause a crash (or undefined
behaviour at best) if the string entered is less than 2 characters...

Surely you meant three.

Why is that so? If s only has one character, accessing the second
character as above is surely undefined behaviour. While many (all?)
std::string implementations always have room for the null-character (in
case the user calls c_str()), this is not required.

/Peter