Why doesn't the <graphics.h> Header File work when compiled?

Question

#include<graphics.h>
int main()
{
//Statement
return 0;
}

Answer 1

That header is outdated and has never been part of the C/C++ standard.

https://www.sololearn.com/discuss/1694451/?ref=app
https://www.sololearn.com/discuss/1150461/?ref=app