Q&A Discussies

int a = 320; char *ptr; ptr = (char*)&a; printf("%d", *ptr); // how the output is 64? Please explain.

2nd Oct 2018, 7:30 AM

Saquib Imam

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8th Aug 2021, 8:38 AM

NIKHIL JOSHI

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13th Oct 2020, 6:37 AM

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c++ error : function 'delay' should have a prototype

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13th Jan 2020, 10:37 AM

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Why I am getting both outputs?

16th Jul 2018, 3:18 AM

Sajan Poudel

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24th Jun 2021, 1:59 PM

Hamza

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10th Sep 2022, 3:10 PM

Abdülhalim ESEN

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25th Oct 2018, 11:56 AM

Bebida Roja

What are errors in this code segment?

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I'm getting monitor command dumped core error with my code in sololearn. But it works with other compilers.

17th Feb 2018, 4:27 PM

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[Solved] C string tokenizer with space delimiter does not work as expected on SL code playground with user provided input.

13th Jun 2021, 3:34 PM

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13th Oct 2020, 11:11 AM

Sonic

Why strchr shows error if character not found in c?

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Hello everyone🙋🏻‍♂️, My code has error in switch case statment. Could anyone please help me to debug this.

1st Dec 2021, 2:24 AM

gaurav kumar

c enumeration enums error functions pointers struct structure switch switchcase

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why my C Code is not running please tell anybody

24th Apr 2021, 2:45 PM

Rohit Rathod

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13th Sep 2020, 10:13 AM

Paras Srivastava

What is the error?

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Why long instead of int creates "Compilation error" in C language?

17th Oct 2020, 2:56 PM

RazanAbuawf

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19th Aug 2018, 5:08 PM

Alex “Rusack” Averin

What's the problem here

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(Resolved) Error: Gcc undefined reference to sha 256 🙄🤦🏽‍♀️

25th Aug 2022, 3:34 AM

Adarsh Addee

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What is wrong with this case?

16th Aug 2025, 6:10 PM

🏳️‍⚧️👑 ⚡️🌩️ War Goddess 300 ⚡️

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How do I correct my code?

3rd Nov 2018, 11:38 AM

Igor The Golden Fish

Problem in C

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25th Mar 2018, 2:09 AM

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Why is this C program crashing?

25th Oct 2021, 12:18 PM

Leoror

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Return in function main in Sololearn C course

17th Nov 2017, 12:20 AM

Shantanu Shinde

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19th Mar 2019, 5:17 AM

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Can anyone solve this ?

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Write a code in C++, which should take the input in the form of a, b and c from user (if user enters a = 0, then an error should

23rd Feb 2019, 5:31 PM

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8th Sep 2016, 5:15 PM

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[C] Why am I getting a compilation error?

21st Jan 2020, 12:24 PM

Karan Sharma

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Why fprintf with stderr ??

22nd Jun 2019, 6:41 PM

Zerokles

c errno error fprintf programming stderr

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Whats overflowing in the memory there ? Put 18 chars in and something weird happens. Can anyone logically explain, why ?

16th Mar 2021, 8:23 PM

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6th Dec 2018, 4:33 AM

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Why am I getting error in this program

17th Oct 2019, 4:05 PM

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25th Sep 2021, 1:41 AM

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22nd May 2021, 12:38 AM

zenitsu

Why s1=!s2 ??

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I am get error in this line. I.e not enough actual parameters for macro 'max'. Can anyone help me.

31st May 2021, 7:55 AM

NIKHIL JOSHI

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Can you help in finding the error,

15th Jul 2018, 9:21 AM

Hardik Ranjan Srivastava

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Where should I post a question regarding code coach challenge in SoloLearn?

9th May 2021, 5:59 PM

Msaligs

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21st Apr 2020, 3:43 PM

Ankith M Kashyap

Real time error check in c?

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What is the use of '\b' escape character in c programming ?

17th Mar 2019, 5:18 PM

Tarun Mathur

\b c c11 ec error

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My concept is wrong or my compiler is not working properly?

6th May 2019, 10:12 AM

Vikash Kumar

c c++compiler error increment-operator misconception pre-increment

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Can anyone tell what is the meaning of this error ?

8th Jan 2018, 2:45 PM

Saurabh Verma

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Why this code has an error? (Code below) Please help!! 🥺

14th Mar 2018, 5:18 PM

Ishan

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Code coach : youtube video link to VIDEO ID extractor

13th Jan 2021, 7:37 PM

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11th Jan 2020, 7:31 PM

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14th Dec 2018, 7:02 PM

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22nd Oct 2018, 3:32 PM

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If the compiler can detect there is a semicolon missing in line 42 , then why just it can't put a semicolon itself?

27th Dec 2019, 9:01 AM

rohit gupta

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Hello, i'm not understanding all this erros, someone could help me please?

19th Jan 2020, 8:37 AM

Ambitious Coder

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3rd Nov 2020, 4:05 PM

João Bernardo

How to use cerr in c++ ?

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Write and test a program that solves quadratic equations. A quadratic equation is an equation of the form ax2+ bx + c =0 ,where a,b and c are given coefficient and x is the unknown The coefficients are real number inputs ,so they should be declared of type float or double Since quadratic equations typically have two solutions ,use x1 and x2 for the solutions to be output These should be declared of type double to avoid inaccuracies from round-off error

15th Mar 2018, 8:14 AM

Vishwajeet

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