09 A, dårlig

08/2022-12-08-A.py

@@ -3,17 +3,16 @@
 import numpy as np
 a = np.array([list(map(int,i)) for i in [list(j) for j in open("08/i").read().strip().split("\n")]])
 visible = np.shape(a)[0]*2+(np.shape(a)[1]-2)*2
-print(visible)
 
 for y in range(1,np.shape(a)[0]-1):
   for x in range(1,np.shape(a)[1]-1):
     # Visible?
-    left  = True if len(list(np.where(a[y][0:x]>=a[y][x])[0]))<1 else False
+    left  = True if np.where(a[y][0:x]>=a[y][x])[0].size<1 else False
-    right = True if len(list(np.where(a[y][x:] >=a[y][x])[0][1:]))<1 else False
+    right = True if np.where(a[y][x:] >=a[y][x])[0][1:].size<1 else False
-    aktiv = True if len(list(np.where(a[:,x][0:y]>=a[y,x])[0]))<1 else False
+    aktiv = True if np.where(a[:,x][0:y]>=a[y,x])[0].size<1 else False
-    passiv = True if len(list(np.where(a[:,x][y:]>=a[y,x])[0][1:]))<1 else False
+    passiv =True if np.where(a[:,x][y:]>=a[y,x])[0][1:].size<1 else False
     
     if left or right or aktiv or passiv:
       visible+=1
 
-print(visible)
+print(visible)

09/2022-12-09-A.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+
+import os,time
+
+a="""R 4
+U 4
+L 3
+D 1
+R 4
+D 1
+L 5
+R 2"""
+#a=open("/Users/rasmus/Gits/aoc2022/09/ii").read().strip()
+b={"L":-1, "U":1, "R":1, "D":-1}
+
+def mov(cmd,loc):
+  if cmd[0] in ["U","D"]:
+    return (loc[0],sum([loc[1],int(cmd[2:])*b[cmd[0]]]))
+  else:
+    return (sum([loc[0],int(cmd[2:])*b[cmd[0]]]),loc[1])
+
+logH = [(0,0)]
+logT = [(0,0)]
+for l in a.split("\n"):
+  #print("LogT: {}\n".format(logT[-1]))
+  logH.append(mov(l,logH[-1]))
+  #print("Diff: {} {}, l {}".format(logH[-1][0]-logT[-1][0],logH[-1][1]-logT[-1][1],l))
+  #print("LogH: {}".format(logH[-1]))
+  # If in same column:
+  if logT[-1][0]==logH[-1][0]:
+    # Case new head is next to or covering tail:
+    if logT[-1][1]==logH[-1][1]:
+      #print("Samme: {} {} {}".format(l,logH[-1],logT[-1]))
+      logT.append(logT[-1])
+      continue
+    elif abs(logT[-1][1]-logH[-1][1])<2:
+      #print("Tæt: {} {} {}".format(l,logH[-1],logT[-1]))
+      logT.append(logT[-1])
+      continue
+    # If above move to one above, else one below
+    logT.append((logT[-1][0],logH[-1][1]+1)) if logT[-1][1]>logH[-1][1] else logT.append((logT[-1][0],logH[-1][1]-1))
+    print("Her")
+  
+  # If same row:
+  elif logT[-1][1]==logH[-1][1]:
+    # Case next to:
+    if abs(logT[-1][1]-logH[-1][1])<2:
+      logT.append(logT[-1])
+      continue
+    logT.append((logH[-1][0]+1,logT[-1][1])) if logT[-1][0]>logH[-1][0] else logT.append((logH[-1][0]-1,logT[-1][1]))
+  
+  # If neither:
+  else:
+    # Case diagonally next to
+    if abs(logT[-1][0]-logH[-1][0])<2 and abs(logT[-1][1]-logH[-1][1])<2:
+      #print("Diagon: {} LogH: {} LogT: {}".format(abs(logT[-1][0]-logH[-1][0]),logH[-1],logT[-1]))
+      logT.append(logT[-1])
+      continue
+    if l[0] in ["U","D"]:
+      logT.append((logH[-1][0],logH[-1][1]+1)) if logT[-1][1]>logH[-1][1] else logT.append((logH[-1][0],logH[-1][1]-1))
+      #print("UD")
+    else:
+      logT.append((logH[-1][0]+1,logH[-1][1])) if logT[-1][0]>logH[-1][0] else logT.append((logH[-1][0]-1,logH[-1][1]))
+  
+  
+print(logH)
+print(logT)
+print(len(sorted(set(logT))))
+exit()
+
+result=[]
+for i in range(0,50):
+  result.append(list(".")*100)
+
+
+for i in range(0,len(logH)):
+  result[logT[i][0]][logT[i][1]]="T"
+  result[logH[i][0]][logH[i][1]]="H"
+
+  for b in result:
+    print("".join(b))
+  print(f"{i}\n\n")
+  time.sleep(2)
+  os.system("clear")
+  result[logH[i][0]][logH[i][1]]="."
+  result[logT[i][0]][logT[i][1]]="."
+
+print(len(sorted(set(logT))))