Solve 2020 day 3

2020/03/a.py

@@ -0,0 +1,44 @@
+import os, argparse
+tree = '#'
+
+def hit_function(map, x, y):
+    wrapped_x = x % len(map[0])
+
+    if (map[y][wrapped_x] == tree):
+        return True
+    else:
+        return False
+
+def check_stage(map, n):
+    x = 3*n
+    y = n
+    return hit_function(map, x, y)
+
+def solve_task(filename):
+    toboggan_slope = []
+    with open(filename) as infile:
+        for raw_line in infile:
+            line = raw_line.rstrip()
+            toboggan_slope.append(line)
+
+    trees_hit = 0
+    for n in range(len(toboggan_slope)):
+        if check_stage(toboggan_slope, n):
+            trees_hit += 1
+    
+    print(f"Totally {trees_hit} trees hit")
+
+    os.system("pause")
+
+def parse_arguments():
+    parser = argparse.ArgumentParser(description="Script that solves the case",epilog="Have a nice day!")
+    parser.add_argument('filename', nargs='?', default="example.txt", help='Input file')
+    args = parser.parse_args()
+    return args
+
+def main():
+    args = parse_arguments()
+    solve_task(args.filename)
+
+if __name__ == "__main__":
+    main()

2020/03/b.py

@@ -0,0 +1,52 @@
+import os, argparse
+tree = '#'
+
+def hit_function(map, x, y):
+    wrapped_x = x % len(map[0])
+
+    if (map[y][wrapped_x] == tree):
+        return 1
+    else:
+        return 0
+
+def number_of_hits(map, right, down):
+    trees_hit = 0
+    stages = len(map)//down
+    for n in range(stages):
+        trees_hit += hit_function(map, n*right, n*down)
+    return trees_hit
+
+def solve_task(filename):
+    toboggan_slope = []
+    with open(filename) as infile:
+        for raw_line in infile:
+            line = raw_line.rstrip()
+            toboggan_slope.append(line)
+
+    tactics = [(1,1),
+    (3,1),
+    (5,1),
+    (7,1),
+    (1,2)]
+
+    score = 1
+    for tactic in tactics:
+        hits = number_of_hits(toboggan_slope, tactic[0], tactic[1])
+        score *= hits
+        print(f"Hit {hits} trees")
+
+    print(f"Score: {score}")
+    os.system("pause")
+
+def parse_arguments():
+    parser = argparse.ArgumentParser(description="Script that solves the case",epilog="Have a nice day!")
+    parser.add_argument('filename', nargs='?', default="example.txt", help='Input file')
+    args = parser.parse_args()
+    return args
+
+def main():
+    args = parse_arguments()
+    solve_task(args.filename)
+
+if __name__ == "__main__":
+    main()

2020/03/example.txt

@@ -0,0 +1,11 @@
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2020/03/infile.txt

@@ -0,0 +1,323 @@
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