GH-96: Solve problem aoc2022day4 (#102)

Author: rain1024

README.md

@@ -169,7 +169,7 @@ A data structure is a data organization, management, and storage format that is
 
 Events of competitive programming
 
-* [Advent of Code 2022](collections/advent-of-code-2022/)
+* [🎃 Advent of Code 2022](collections/advent-of-code-2022/)
 
 ## Contributors
 

collections/advent-of-code-2022/README.md

@@ -1,4 +1,4 @@
-# Advent of Code 2022
+# 🎃 Advent of Code 2022
 
 > Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. People use them as interview prep, company training, university coursework, practice problems, a speed contest, or to challenge each other.
 
@@ -27,6 +27,16 @@
 </td>
 </tr>
 <tr>
+<td>Day 4</td>
+<td><a href="https://adventofcode.com/2022/day/4">Link</a></td>
+<td>
+<a href="../../problems/aoc2022day4/src/main/solution1.cpp"><code>cpp🐀</code></a>
+</td>
+<td>
+<a href="../../problems/aoc2022day4/src/main/solution1.cpp"><code>cpp🐀</code></a>
+</td>
+</tr>
+<tr>
 <td>Day 3</td>
 <td><a href="https://adventofcode.com/2022/day/3">Link</a></td>
 <td>

problems/aoc2022day4/.gitginore

@@ -0,0 +1 @@
+solution

problems/aoc2022day4/README.md

@@ -0,0 +1,10 @@
+# AoC Problem 
+
+## Usage
+
+Run program with an example
+
+```
+bazel run src/main:solution1 `pwd`/data/input0.txt
+bazel run src/main:solution1 `pwd`/data/input1.txt
+```

problems/aoc2022day4/data/input0.txt

@@ -0,0 +1,6 @@
+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8