days 5,6,7 of advent of code

5/a.py

@@ -0,0 +1,32 @@
+import math as m
+
+lines = open('input').read().splitlines()
+
+def uphalf(t):
+    return [t[0], t[1] + int(abs(t[0] - t[1])/2) + 1]
+def lowhalf(t):
+    return [t[0] - int(abs(t[0] - t[1])/2) - 1, t[1]]
+
+def bsp(dom, low, up, input):
+    for p in input:
+        if p == low:
+            dom = lowhalf(dom)
+        else:
+            dom = uphalf(dom)
+    if input[-1] == low:
+        return dom[1]
+    else:
+        return dom[0]
+
+ids = []
+rowdomain = [127, 0]
+coldomain = [7, 0]
+
+for line in lines:
+    bruh = [
+        bsp(rowdomain, "F", "B", line[0:7]),
+        bsp(coldomain, "L", "R", line[7:10])
+    ]
+    ids.append(bruh[0]*8 + bruh[1])
+
+print(max(ids))

5/b.py

@@ -0,0 +1,38 @@
+import math as m
+
+lines = open('input').read().splitlines()
+
+def uphalf(t):
+    return [t[0], t[1] + int(abs(t[0] - t[1])/2) + 1]
+def lowhalf(t):
+    return [t[0] - int(abs(t[0] - t[1])/2) - 1, t[1]]
+
+def bsp(dom, low, up, input):
+    for p in input:
+        if p == low:
+            dom = lowhalf(dom)
+        else:
+            dom = uphalf(dom)
+    if input[-1] == low:
+        return dom[1]
+    else:
+        return dom[0]
+
+ids = []
+seats = []
+rowdomain = [127, 0]
+coldomain = [7, 0]
+
+for line in lines:
+    bruh = [
+        bsp(rowdomain, "F", "B", line[0:7]),
+        bsp(coldomain, "L", "R", line[7:10])
+    ]
+    id = bruh[0]*8 + bruh[1]
+    ids.append(id)
+    seats.append([bruh[0], bruh[1],id])
+
+for i in range(0,128):
+    for j in range(0,8):
+        if i*8+j not in ids and i*8+j+1 in ids and i*8+j-1 in ids:
+            print(i*8+j)

6/a.py

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+lines = open('input').read().splitlines()
+
+arr = []
+_ = []
+for line in lines:
+    if line == '':
+        arr.append(_)
+        _ = []
+    else:
+        _.append(list(line))
+arr.append(_)
+
+c = 0
+for group in arr:
+    s = []
+    for p in group:
+        s = s+p
+    # print(group)
+    # print(s)
+    c += len(set(s))
+print(c)

6/b.py

@@ -0,0 +1,21 @@
+lines = open('input').read().splitlines()
+
+arr = []
+_ = []
+for line in lines:
+    if line == '':
+        arr.append(_)
+        _ = []
+    else:
+        _.append(list(line))
+arr.append(_)
+
+c = 0
+for group in arr:
+    s = set(group[0])
+    print(group)
+    for p in group:
+        s = s & set(p)
+    print(s)
+    c += len(s)
+print(c)

7/a.py

@@ -0,0 +1,31 @@
+lines = open('input').read().replace(' bags','').replace(' bag','').replace('.','').splitlines()
+
+empties = []
+dictionary = {}
+for line in lines:
+    r = line.split(' contain ')
+    if 'no other' in line or r[0] == 'shiny gold':
+        dictionary[r[0]] = {}
+        empties.append(r[0])
+    else:
+        dictionary[r[0]] = {y[1]: int(y[0]) for x in r[1].split(', ') if (y := x.split(' ',1))}
+for i in range(1,10): #Ten because why not? Not breaking at the amount of passes I need for this
+    for u in dictionary:
+        # print(u)
+        # print(dictionary[u])
+        a = {}
+        for v in dictionary[u]:
+            k = dictionary[u][v]
+            if v not in empties:
+                a.update({x:y*k for x in dictionary[v] if (y := dictionary[v][x])})
+            else:
+                a.update({v:k})
+        dictionary[u] = a
+
+c = 0
+for k in dictionary:
+    if 'shiny gold' in dictionary[k].keys():
+        c += 1
+        print(k)
+        print(dictionary[k]['shiny gold'])
+print(c)

7/b.py

@@ -0,0 +1,24 @@
+lines = open('input').read().replace(' bags','').replace(' bag','').replace('.','').splitlines()
+
+empties = ['base']
+dictionary = {}
+for line in lines:
+    r = line.split(' contain ')
+    if 'no other' in line:
+        dictionary[r[0]] = {}
+        empties.append(r[0])
+    else:
+        dictionary[r[0]] = {y[1]: int(y[0]) for x in r[1].split(', ') if (y := x.split(' ',1))}
+
+def f(li,count):
+    for u in li:
+        k = li[u]
+        if u not in empties:
+            tmp = {x:y*k for x in dictionary[u] if (y := dictionary[u][x])}
+            tmp.update({'base':k})
+            count = f(tmp,count)
+        else:
+            count += k
+    return count
+
+print( f(dictionary['shiny gold'],0) )