2021/2 challenge

2021/2/1.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+inputs = [i.rstrip().split(' ') for i in open("input").readlines()]
+
+depth = 0
+horiz = 0
+
+for i in inputs:
+    inst = i[0]
+    qty = int(i[1])
+
+    if(inst == "forward"): horiz += qty
+    if(inst == "down"): depth += qty
+    if(inst == "up"): depth -= qty
+
+print(depth, horiz, depth*horiz)

2021/2/2.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+inputs = [i.rstrip().split(' ') for i in open("input").readlines()]
+
+aim = 0
+depth = 0
+horiz = 0
+
+for i in inputs:
+    inst = i[0]
+    qty = int(i[1])
+
+    if(inst == "forward"):
+        horiz += qty
+        depth += aim * qty
+    if(inst == "down"): aim += qty
+    if(inst == "up"): aim -= qty
+
+print(depth, horiz, depth*horiz)

2021/2/example

@@ -0,0 +1,6 @@
+forward 5
+down 5
+forward 8
+up 3
+down 8
+forward 2