That's what I build and I don't understand what's wrong

Maybe I forgot something?

Or it's not ligle to do else if in a row?

the if() {...} else if() {...} is correct

the if() {...} else if() {...} is correct

And the resrt else if are not?

If you ran into a problem when building this code. I guess the problem is caused by scanf. By default, scanf will be marked as unsafe function and the compiler will suggest you to use scanf_s

This is the behavior of MSVC and I don't know if gcc or other compilers do this.

It says it used

Could you send the error message to us?

Do maybe newM=married;?

oops the variables are not initialized

First, change the type of main from void to int. Then, set initial value to your three variables like age = 0, gender = 0 and married = 0.

I think this should fix the issues.

I think this should fix the issues.

It didn't..

You cannot return 0 from a void function btw. Also just use char and int pointers

You cannot return 0 from a void function btw. Also just use char and int pointers

But pointer is when you want to save it in the computer no?

there's a typo pritnf

you wrote pritnf instead of printf

But pointer is when you want to save it in the computer no?

Uh no...

A Pointer holds the memory address of the variable

you wrote pritnf instead of printf

Fixed but still same error

Fixed but still same error

Can you paste the new code and the new error

Sec

please use pastebin servicse or https://godbolt.org/ instead of sharing screenshots

https://onlinegdb.com/B1JgHKpwv

Maybe I should learn from another site? 😞

the compiler dont let you use uninitialized values

https://onlinegdb.com/B1JgHKpwv

scanf(" %c", &gender); you need to pass a pointer to the variable you want to write to Also, prefer int main() over void main() https://godbolt.org/z/1nPhMT

scanf(" %c", &gender); you need to pass a pointer to the variable you want to write to Also, prefer int main() over void main() https://godbolt.org/z/1nPhMT

Why prefer int over void? (doing what a friend told me didn't get the difrence)

Why would you poison perfectly good RAII code with new and delete

RAII what is that?

scanf(" %c", &gender); you need to pass a pointer to the variable you want to write to Also, prefer int main() over void main() https://godbolt.org/z/1nPhMT

And pointer is not only for the memory?

Why prefer int over void? (doing what a friend told me didn't get the difrence)

because strictly speaking void main is not part of the official C/C++ programming language specification. Yes, a lot of compiler support it, but the standard says it shall be either int main(void) or int main(int argc, char *argv[])

Why prefer int over void? (doing what a friend told me didn't get the difrence)

yes, void main is not part of the C iso

And pointer is not only for the memory?

Yes, but scanf basically reads a value and you need to tell it the memory location where to write it to

because strictly speaking void main is not part of the official C/C++ programming language specification. Yes, a lot of compiler support it, but the standard says it shall be either int main(void) or int main(int argc, char *argv[])

OK, so viod main is more for Java, C# and the others?

Yes, but scanf basically reads a value and you need to tell it the memory location where to write it to

Oh, OK.. Cus till now I didn't use pointers, I didn't even got to the quiz to do them

Is it OK if I'll ask you to write me an exemple so I'll fix it and learn what I did wrong?

Oh, OK.. Cus till now I didn't use pointers, I didn't even got to the quiz to do them

main returns int, it's all that need to be remembered here

Is it OK if I'll ask you to write me an exemple so I'll fix it and learn what I did wrong?

what kind of example do you want? this is your fixed code - https://godbolt.org/z/1nPhMT

RAII what is that?

Everything good about C++ since 1998

Initialize the variables

Everything good about C++ since 1998

goo.gl/search?RAII

what kind of example do you want? this is your fixed code - https://godbolt.org/z/1nPhMT

You didn't use pointers

You didn't use pointers

this uses pointers and passes them to scanf? scanf(" %c", &gender); printf("\n What's your age?\t"); scanf("%d", &age); printf("\n Are you Married?(y/n):\t"); scanf(" %c", &married);

this uses pointers and passes them to scanf? scanf(" %c", &gender); printf("\n What's your age?\t"); scanf("%d", &age); printf("\n Are you Married?(y/n):\t"); scanf(" %c", &married);

I didn't understand what was changed

The & was all the problem?

The & was all the problem?

yes

I don't get it, I've been told no need on char and I even tried with and with out

Maybe it was before I fixed the printf mistake 🤦‍♂

The & was all the problem?

well, and int main instead of void main

well, and int main instead of void main

I see... Ty very much...

well, and int main instead of void main

Yeah or dont return a value

Yeah or dont return a value

I prefer not to use the "void main" compiler extension :)

I prefer not to use the "void main" compiler extension :)

M yeah ok.

the problem may be the space before %c?

' %c' needs 2 bytes to save the value, and gender is 1 byte character

So the compiler told you that you need to use char*

Is it right?

For who do competition programming: why most people prefer vs code insteqd of visual studio? Visual studio debugger and intellisense looks better..

For who do competition programming: why most people prefer vs code insteqd of visual studio? Visual studio debugger and intellisense looks better..

just a personal preference use whatever you like.

Ok thank you

I prefer not to use the "void main" compiler extension :)

I noticed that some programming languages doesn't has a return statement in the main function like java and Rust? Doesn't the os needs the state of the program in those ones or what?! Is it basically necessary?

I noticed that some programming languages doesn't has a return statement in the main function like java and Rust? Doesn't the os needs the state of the program in those ones or what?! Is it basically necessary?

I think Java has return.

I think Java has return.

public static void main(String...)

public static void main(String...)

Oh you mean to terminate the application? Well even C#, Python, Pascal doesn't have any termination, when the code ends it is considered that it is terminated.

Oh you mean to terminate the application? Well even C#, Python, Pascal doesn't have any termination, when the code ends it is considered that it is terminated.

Yeah I know But why not just ordinary return 0; for the OS?

Has this something to do with their runtime environment?

Yeah I know But why not just ordinary return 0; for the OS?

Because first of all Java doesn't work with OS it works on a VM... secondly it's automatic.

Because first of all Java doesn't work with OS it works on a VM... secondly it's automatic.

And Rust?! It is a system programming language

There must be a valid reason for that

And Rust?! It is a system programming language

I have no clue about Rust... never used it.

I have no clue about Rust... never used it.

Well it doesn't has any vm or something related Just a pure assembly code Tho it's application sometimes return some value from the main

I found this on a reddit thread: Rust certainly could be designed to do this. It used to, in fact. But because of the task model Rust uses, the fn main task could start a bunch of other tasks and then exit! But one of those other tasks may want to set the OS exit code after main has gone away. Calling set_exit_status is explicit, easy, and doesn't require you to always put a 0 at the bottom of main when you otherwise don't care.

I gess I can't use it like this? I Tried to do a online friend book when you write a name it's says it's bio...

Maybe switch? Or I'm not holding right the chars?

I gess I can't use it like this? I Tried to do a online friend book when you write a name it's says it's bio...

poor Daniel, Peter and Luba, they all were burnt :C