User:Vanished user 112742/sandbox

#include<iostream>
using namespire std;
int main()
{
    cout<<"hello world";
    
}

This is the user sandbox of Vanished user 112742. A user sandbox is a subpage of the user's user page. It serves as a testing spot and page development space for the user and is not an encyclopedia article. Create or edit your own sandbox here. Other sandboxes: Main sandbox | Template sandbox Finished writing a draft article? Are you ready to request review of it by an experienced editor for possible inclusion in Wikipedia? Submit your draft for review!

sandbox - place to test

${\displaystyle {\acute {\check {\check {\check {\check {\breve {\tilde {\sin \sin \cot }}}}}}}}}$

Failed to parse (unknown function "\psidy"): {\displaystyle \ddot{\ddot{\acute{\check{\breve{\tilde{\log_{\log_{\arcsin\arcsin\log_{\log_{\log_{\log\ln\min(\operatorname{th}\max(\min(\min(\operatorname{th}\operatorname{coth}\operatorname{argsh}\operatorname{argch}\operatorname{argth}\operatorname{th}\sup\liminf\limsup\limsup\partial t\nabla\psidy/dxdy/dx\operato,y),y),y),y)}}}}}}}}}}}}

3r

Never gonna give u up never gonna let you down

Unable to convert ABC file to LilyPond format:

+ /usr/bin/abc2ly -s -o file.ly file.abc
/usr/bin/abc2ly from LilyPond 2.22.0
Parsing `file.abc'...
Line ... Traceback (most recent call last):
  File "/usr/bin/abc2ly", line 1539, in <module>
    parse_file(f)
  File "/usr/bin/abc2ly", line 1461, in parse_file
    ln = try_parse_note(ln, state)
  File "/usr/bin/abc2ly", line 1114, in try_parse_note
    while s[0] == ',':
IndexError: string index out of range