Added 2025 day7 and day8

2025/08/solution.py

@@ -0,0 +1,148 @@
+#!/bin/python3
+import sys,time,re,os,copy
+from pprint import pprint
+sys.path.insert(0, '../../')
+from fred import *
+
+import heapq,math
+
+start_time = time.time()
+
+if sys.argv[1] == 'test':
+    input_f = 'test'
+elif sys.argv[1] == 'input':
+    input_f = 'input'
+else:
+    print('No argv provided')
+    exit()
+
+
+#########################################
+#                                       #
+#              Part 1                   #
+#                                       #
+#########################################
+
+def part1():
+    score = 1
+    lines = loadFile(input_f,',')
+    heap = []
+    
+    for i in range(len(lines)):
+        for j in range(i + 1, len(lines)):
+            cords1 = list2int(lines[i])
+            cords2 = list2int(lines[j])
+            dist = math.dist(cords1, cords2)
+            heapq.heappush(heap, (dist, tuple(cords1), tuple(cords2)))
+
+    if sys.argv[1] == 'test':
+        limit = 10
+    else:
+        limit = 1000
+
+    junctions = []
+
+    while limit > 0:
+
+        box = heapq.heappop(heap)
+        left = tuple(box[1])
+        right = tuple(box[2])
+
+        left_junction = None
+        right_junction = None
+
+        for j in junctions:
+            if left in j:
+                left_junction = j
+            if right in j:
+                right_junction = j
+
+        if left_junction != right_junction and (left_junction != None and right_junction != None):
+            left_junction += right_junction
+            junctions.remove(right_junction) #forgot to remove the right junction
+
+        if left_junction is not None and right_junction is None:
+            left_junction.append(right)
+
+        if left_junction is None and right_junction is not None:
+            right_junction.append(left)
+
+        if left_junction is None and right_junction is None:
+            junctions.append([left,right])
+    
+        limit -= 1
+
+    out = sorted(junctions, key=lambda item: len(item), reverse=True)
+
+    for i in range(0,3):
+        score *= len(out[i])
+
+    return score
+    
+start_time = time.time()
+p1 = part1()
+print('Part 1:',p1, '\t\t', round((time.time() - start_time)*1000), 'ms')
+
+#########################################
+#                                       #
+#              Part 2                   #
+#                                       #
+#########################################
+
+def part2(): 
+    score = 1
+    lines = loadFile(input_f,',')
+    heap = []
+    
+    for i in range(len(lines)):
+        for j in range(i + 1, len(lines)):
+            cords1 = list2int(lines[i])
+            cords2 = list2int(lines[j])
+            dist = math.dist(cords1, cords2)
+            heapq.heappush(heap, (dist, tuple(cords1), tuple(cords2)))
+
+    if sys.argv[1] == 'test':
+        limit = 10
+    else:
+        limit = 1000
+
+    junctions = []
+
+    while limit > 0:
+
+        box = heapq.heappop(heap)        
+
+        left = tuple(box[1])
+        right = tuple(box[2])
+
+        left_junction = None
+        right_junction = None
+
+        for j in junctions:
+            if left in j:
+                left_junction = j
+            if right in j:
+                right_junction = j
+
+        if left_junction != right_junction and (left_junction != None and right_junction != None):
+            left_junction += right_junction
+            junctions.remove(right_junction) #forgot to remove the right junction
+
+        if left_junction is not None and right_junction is None:
+            left_junction.append(right)
+
+        if left_junction is None and right_junction is not None:
+            right_junction.append(left)
+    
+        if left_junction is None and right_junction is None:
+            junctions.append([left,right])
+
+        if len(junctions[0]) == len(lines):
+            break
+ 
+    return left[0]*right[0] 
+    
+start_time = time.time()
+p2 = part2()
+print('Part 2:',p2, '', round((time.time() - start_time)*1000), 'ms')
+