Add 2021 day 1

It's good to be back to AoC again :D

Signed-off-by: AKU <tom@tdpain.net>

challenges/2021/01-sonarSweep/README.md

@@ -0,0 +1,15 @@
+# [Day 1: Sonar Sweep](https://adventofcode.com/2021/day/1)
+
+```
+➜ adventOfCode git:(master) go run github.com/codemicro/adventOfCode/runtime -y 2021
+Selecting year 2021
+Automatically selecting day 1 (Sonar Sweep)
+? Which implementation do you want to use? Python
+
+Running...
+
+Test 1.0: pass in 0.0000 seconds
+Test 2.0: pass in 0.0000 seconds
+Part 1: <answer> in 0.0005 seconds
+Part 2: <answer> in 0.0008 seconds
+```

challenges/2021/01-sonarSweep/info.json

@@ -0,0 +1,17 @@
+{
+    "inputFile": "input.txt",
+    "testCases": {
+        "one": [
+            {
+                "input": "199\n200\n208\n210\n200\n207\n240\n269\n260\n263",
+                "expected": "7"
+            }
+        ],
+        "two": [
+            {
+                "input": "199\n200\n208\n210\n200\n207\n240\n269\n260\n263",
+                "expected": "5"
+            }
+        ]
+    }
+}

challenges/2021/01-sonarSweep/py/__init__.py

@@ -0,0 +1,28 @@
+from typing import List, Any
+from aocpy import BaseChallenge
+
+
+def parse(instr: str) -> List[int]:
+    return [int(x) for x in instr.splitlines() if x != ""]
+
+
+class Challenge(BaseChallenge):
+
+    @staticmethod
+    def one(instr: str) -> int:
+        data = parse(instr)
+        c = 0
+        for i in range(1, len(data)):
+            if data[i] > data[i-1]:
+                c += 1
+        return c
+
+    @staticmethod
+    def two(instr: str) -> int:
+        data = parse(instr)
+        c = 0
+        sums = [sum(data[i:i+3]) for i in range(len(data)-2)]
+        for i in range(1, len(sums)):
+            if sums[i] > sums[i-1]:
+                c += 1
+        return c

challenges/2021/README.md

@@ -10,5 +10,6 @@ Solutions to the [2021 Advent of Code](https://adventofcode.com/2021).
 
 | Day                                 |                    | Python                                   | Go                                   | Notes                |
 | ----------------------------------- | ------------------ | ---------------------------------------- | ------------------------------------ | -------------------- |
+| 01 - Sonar Sweep                    | Complete           | [Link](01-sonarSweet/py)                 |                                      |                      |
 
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