Add day 5 solution

day-05/day-05.py

@@ -0,0 +1,62 @@
+#!/usr/bin/phon3
+
+def parse_line(line):
+    p1, _, p2 = line.split()
+    x1,y1 = p1.split(',')
+    x2,y2 = p2.split(',')
+    return int(x1), int(y1), int(x2), int(y2)
+
+
+def part_1(input):
+    result = 0
+    field = [[0 for x in range(1000)] for y in range(1000)]
+    for line in input:
+        line = line.strip()
+        x1,y1,x2,y2 = parse_line(line)
+        if y1 == y2:
+            for x in range(min(x1,x2), max(x1,x2) + 1):
+                field[x][y1] += 1
+        elif x1 == x2:
+            for y in range(min(y1,y2), max(y1,y2) + 1):
+                field[x1][y] += 1
+    for x in range(1000):
+        for y in range(1000):
+            if field[x][y] >= 2:
+                result += 1
+    print("Part 1 result:", result)
+
+
+def part_2(input):
+    result = 0
+    field = [[0 for x in range(1000)] for y in range(1000)]
+    for line in input:
+        line = line.strip()
+        x1,y1,x2,y2 = parse_line(line)
+        if abs(x1 - x2) == abs(y1 - y2):
+            dx = 1
+            if x1 > x2:
+                dx = -1
+            dy = 1
+            if y1 > y2:
+                dy = -1
+            for n in range(abs(x1 - x2) + 1):
+                field[x1 + (dx * n)][y1 + (dy * n)] += 1
+        elif y1 == y2:
+            for x in range(min(x1,x2), max(x1,x2) + 1):
+                field[x][y1] += 1
+        elif x1 == x2:
+            for y in range(min(y1,y2), max(y1,y2) + 1):
+                field[x1][y] += 1
+    for x in range(1000):
+        for y in range(1000):
+            if field[x][y] >= 2:
+                result += 1
+    print("Part 2 result:", result)
+
+
+input = list()
+with open('input.txt') as fp:
+    input = fp.readlines()
+
+part_1(input)
+part_2(input)