Q&A Discussions

Does casting a string as char pointer automatically allocate required memory in C/C++?

2nd Jun 2019, 10:00 AM

S Shashank

c c++pointers strings variables

1 Vote

12 Answers

16th Jul 2022, 5:11 PM

CoderBittu

reference VS pointer variables

c c++variables

0 Votes

how can we invoke global variable in C program? ....P.S. I KNOW HOW TO DO IN C++ but not sure about C......

13th Aug 2016, 5:31 PM

Mehak Kapil

c scope variables

0 Votes

Using a variable value in another block in C/C++

26th Jun 2018, 9:15 AM

[ ]

block c c++scope variables

1 Vote

8 Answers

4th Dec 2020, 11:07 PM

reza jannati

What is the difference between declaration and definition of a variable/function?

c functions predefined-variables variables

1 Vote

Why 5==5.0 , where 5 is integer and 5.0 is floating point???

31st Mar 2018, 9:20 AM

pushpendra kumar

c c++float integers variables

1 Vote

6 Answers

17th Oct 2020, 5:10 PM

Ashutosh Patel

How can I get the length/count of digits in a variable?

c c++data-types pseudocode variables

3 Votes

10 Answers

5th Apr 2017, 6:02 PM

Chuma Umenze

Q:why the value of var is not updating after the decrement.

c increment loops variables

1 Vote

Assignment : • A,b,c are variables of type int while d, e f and g are of type float. • If a= 4, b = 6 and c -3, Find • d=3a

25th Jan 2022, 6:40 AM

Saumya Mishra

need solution

0 Votes

Why would you use pointers to update variables instead of global variables?

7th Feb 2017, 7:31 AM

Nartey Amos Adamtey

c c++pointers variables

1 Vote

Why static variables are initialized by only constant? Why we can't initialized it by a other variables?

17th Oct 2018, 12:26 AM

Jessica Wilson

c clanguage static variables

0 Votes

Scope of variable in function

4th Jan 2020, 6:39 AM

VEERESH MAURYA

c functions scope variables

1 Vote

How program stores pointer?

7th Apr 2022, 10:53 PM

William Owens

c c++cpp pointers variables

0 Votes

5 Answers

19th Apr 2022, 7:58 AM

Mustafa Emad

Why assignment in python is dynamic??

assignment c python variables

0 Votes

// can any told me why its showing warning and how to avoid warning? https://code.sololearn.com/cnp9Vsvs943J/?ref=app

7th Jun 2018, 2:44 AM

Mugahed Izzeldin Osman

c de-reference-operator pointers sololearn variables

2 Votes

5 Answers

25th Feb 2021, 9:58 PM

NIKHIL JOSHI

Generic Variable

c generic operator-overloading variables

1 Vote

Can i give an integer value to a 'char' variable in C language? Ex- char a = 4;

3rd Jan 2023, 12:43 AM

William Owens

c language programming variables

1 Vote

ONE variable , MANY values ?

11th Feb 2017, 2:56 PM

Resurektzz7

c c++programming variables

0 Votes

Can a pointer behave as general variable?

10th Oct 2018, 3:18 AM

Joakim Bongani Munyanyi

c pointers strings variables

1 Vote

How not to destroy a variable when exiting a function? (not static)

13th Jul 2021, 11:17 AM

Suraj

c functions not-static variables

0 Votes

What is the scope of a variable declared inside a loop in C ?

23rd Oct 2020, 5:27 PM

Gwlanbzh

beginner c loops scope variables

0 Votes

Explain how this code on strings works, please!

7th Oct 2019, 4:49 AM

Himanshu Kumar

c iterators loops strings variables

1 Vote

Will it result right or not?

10th May 2020, 1:16 PM

Tom

c c++data-types int variables

2 Votes

How to check if one variable lies in an array variable?

16th Jan 2018, 3:59 AM

ImranKhan CD

arraylist arrays c if-statements variables

0 Votes

What is the difference between variable assignment, variable initialization and dynamic initialization in C language?

5th May 2021, 3:22 AM

Nepali Keto

assignment c declaration default initialization variables

2 Votes

5 Answers

24th May 2021, 1:38 PM

Krishna Kumar

I'd like to know the use of argv and argc

arrays c php programming variables

0 Votes

Initialize a variable sized array

4th Jun 2021, 4:02 PM

Neba Chi Smith

arrays c input int variables

0 Votes

Question about constant and variables??

6th Feb 2021, 6:37 PM

Anvay Raj

c constants data-types variables

0 Votes

Can anyone tell me that why the answer is 98 ?

28th Apr 2019, 9:05 AM

Vaibhav Poliwal

c c11 c99 union variables

1 Vote

Passing Global Variables in C++

8th May 2019, 3:47 PM

Vikash Kumar

c c++functions pointers variables

0 Votes

What datatype to use to store 1 byte of number data in C/C++

29th Jun 2017, 2:34 AM

Nirmal Kumar Bhakat

c c++data-types numbers variables

0 Votes

c c++loops variables while-loop

29th Jun 2022, 1:47 PM

CoderBittu

Data type

c c++data-types heap memory python python3 stack variables

1 Vote

6 Answers

16th Jun 2019, 12:57 AM

Masoud HMD

WHILE LOOP C++

-1 Vote

Why we can't use a keyboard as a variable??

15th Sep 2022, 1:38 PM

zighetamara

c c++java keyboard variables

0 Votes

What happens when I pass an integer to a float variable ? Can someone explain me the output of this code ?

3rd Mar 2017, 7:25 AM

Rohit Suthar

c data-types float input int output variables

0 Votes

If i increment the pointer and pass it to function why it prints address after returning to main??

25th Aug 2021, 6:28 AM

Sk. Ahmed Razha Khan

c c++function-arguments functions increment main pointers variables

0 Votes

How to execute both conditions of if else Statement

27th Dec 2018, 2:56 PM

Rohit

c c++conditions exceptions if-statements java programming python python3 variables

3 Votes

6 Answers

1st Mar 2017, 11:42 AM

Yash Raghava

why it doesn't give me a random number?

c help int language printf random return variables why

1 Vote

What is the difference between variables and identifiers??????

5th Oct 2023, 3:47 AM

iliass syabri

c c#c++java perl python python3 ruby sololearn variables

6 Votes

What is primitive variable and non-primitive variable

5th Jan 2017, 6:18 AM

Pravin

c c++predefined-variables python3 ruby struct variables

0 Votes

4th Mar 2018, 7:50 PM

Ihtisham Bashir

variable is ambiguous

c c++compiler do end for loops variables while

0 Votes

Problems reading a binary file C++

26th Jun 2020, 9:48 PM

Clueless Coder

a binary c c++classes file files problems reading variables

1 Vote