new structure for 2018, added license information

2018/10/code.py

@@ -0,0 +1,91 @@
+""" https://adventofcode.com/2018/day/10 """
+
+def readFile():
+    with open(f"{__file__.rstrip('code.py')}input.txt", "r") as f:
+        lines = f.readlines()
+        points = []
+        for line in lines:
+            points.append(Point(
+                int(line[10:16]), int(line[18:24]), # position
+                int(line[36:38]), int(line[40:42])  # velocity
+            ))
+        return points
+
+class Point:
+    def __init__(self, px, py, vx, vy):
+        self.px = px
+        self.py = py
+        self.vx = vx
+        self.vy = vy
+
+    def move(self, reverse = False):
+        if reverse:
+            self.px -= self.vx
+            self.py -= self.vy
+        else:
+            self.px += self.vx
+            self.py += self.vy
+
+def getBorderSizeX(vals, getMin = False):
+    minimum, maximum = None, None
+    for point in vals:
+        if minimum is None or point.px < minimum:
+            minimum = point.px
+        if maximum is None or point.px > maximum:
+            maximum = point.px
+    if not getMin:
+        return maximum - minimum
+    else:
+        return maximum - minimum, minimum
+
+def getBorderSizeY(vals, getMin = False):
+    minimum, maximum = None, None
+    for point in vals:
+        if minimum is None or point.py < minimum:
+            minimum = point.py
+        if maximum is None or point.py > maximum:
+            maximum = point.py
+    if not getMin:
+        return maximum - minimum
+    else:
+        return maximum - minimum, minimum
+
+def solve(vals):
+    oldSizeX, oldSizeY = getBorderSizeX(vals), getBorderSizeY(vals)
+    cont = True
+    time = 0
+    while cont:
+        time += 1
+        for point in vals:
+            point.move()
+        sizeX, sizeY = getBorderSizeX(vals), getBorderSizeY(vals)
+        if sizeX < oldSizeX or sizeY < oldSizeY:
+            oldSizeX = sizeX
+            oldSizeY = sizeY
+        else:
+            cont = False
+            time -= 1
+            for point in vals:
+                point.move(reverse=True)
+            sizeX, minX = getBorderSizeX(vals, getMin=True)
+            sizeY, minY = getBorderSizeY(vals, getMin=True)
+
+
+    area = [["." for i in range(sizeX + 1)] for j in range(sizeY + 1)]
+    for point in vals:
+        area[point.py - minY][point.px - minX] = "#"
+
+    a = []
+    for j in range(sizeY + 1):
+        b = ["\n"]
+        for i in range(sizeX + 1):
+            b.append(area[j][i])
+        a.append(" ".join(b))
+        
+    return "".join(a), time
+
+if __name__ == "__main__":
+    vals = readFile()
+    part1, part2 = solve(vals)
+    print(f"Part 1: {part1}")
+    print(f"Part 2: {part2}")