The code contains 5 header files, attached here + implementation of the methods. What is the problem is with what I wrote? Header 1 `#pragma once #ifndef
mdp
fouc
parseexception
inno-setup
zipcode
travis-ci
r-recipes
git-commit
facebook-live-api
java-ee-7
autocorrelation
sequential
telegram
private-network-access
bbc-microbit
cloud
spacevim
threejs-editor
custom-training
open3d
smartcard-reader
beatbox
macos-sierra
backtracking
mongify
kendo-react-ui
wcf-wshttpbinding
apache-httpcomponents
http3
xml-formatting