Cleaned up project euler folder and moved the license and readme

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) <year> <copyright holders>
+Copyright (c) 2021 Philippe Zwietering
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -0,0 +1,3 @@
+# Contest files
+
+Set of all kinds of programmings contests, including my personal (usually not optimized) solutions for the Project Euler challenges, some stuff for AtCoder, Codeforces and Google Kickstart

projecteuler/README.md

@@ -1,3 +0,0 @@
-# project-euler
-
-My personal (usually not optimized) solutions for the Project Euler challenges

projecteuler/base.cpp

@@ -1,5 +1,4 @@
-#include <iostream>
-#include <chrono>
+#include <bits/stdc++.h>
 
 using namespace std;
 
@@ -13,4 +12,4 @@ int main(){
     auto duration = chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - start);
     cout << (float)duration.count()/1000 << endl;
     return 0;
-}
+}