Added info to readmes

1/README.md

@@ -1,6 +1,10 @@
 # [Day 1](https://adventofcode.com/2022/day/1) 
 :gift:
+
 Today's language: **awk** + **GNU-coretils**
+
+- Task 1: We use awk to find the maximum while we iterate through over the file
+- Task 2: We use awk again for summing the calories, then sort them and take the top 3 which we again sum up with awk
 ```shell
 # Find the Elf carrying the most Calories. How many total Calories is that Elf carrying?
 awk -f day1-1.awk input.txt

2/README.md

@@ -1,6 +1,9 @@
 # [Day 2](https://adventofcode.com/2022/day/2)
 :gift::gift:
 Today's language: **C++**
+
+We use that chars are just numbers, so we can easily convert them into the respective points by just subtracting `'A'` or `'X'`.
+The rest is then just a few `if else`s.
 ```shell
 # What would your total score be if everything goes exactly according to your strategy guide?
 g++ main.cpp -o day2

3/README.md

@@ -1,6 +1,9 @@
 # [Day 3](https://adventofcode.com/2022/day/3) 
 :gift::gift::gift:
+
 Today's language: **C**
+
+All the characters (the Elf's items) occuring in (half) a line (backpack) are stored as bits in an unsigned long, duplicate characters can then be determined by bitwise and-ing these numbers.
 ```shell
 # Find the item type that appears in both compartments of each rucksack. What is the sum of the priorities of those item types?
 gcc main.c -o day3

README.md

@@ -3,6 +3,6 @@ This is a repository for my solutions for the [advent of code 2022](https://adve
 
 I will try to use as many different languages am not necessarily trying to do it the best or most efficient way,
 
-Also, checkout the repositories of my friends who do stuff in go and Visual Basic:
+Also, checkout the repositories of my friends who do stuff in go, Visual Basic and php:
 - [Daniel](https://git.quintern.xyz/TheShinyMelon/AOC_2022)
 - [Jonas](https://github.com/JonasBordewick/advent_of_code_2022)