finished day 8

2022/day08/main2.py

@@ -2,35 +2,41 @@ import sys
 
 def isVisible(lines, row, col):
     scenic = 1
+
+    # up
     score1 = 0
-    for x in lines[:row:-1]:
+    for x in lines[:row][::-1]:
+        score1 += 1
         if ( x[col] >= lines[row][col]):
             break
-        score1 += 1
     scenic *= score1
 
-    score2 = 0
+    # left
-    for x in lines[row+1:]:
-        if ( x[col] >= lines[row][col]):
-            break
-        score2 += 1
-    scenic *= score2
-
     score3 = 0
-    for x in lines[row][:col:-1]:
+    for x in lines[row][:col-1][::-1]:
+        score3 += 1
         if ( x >= lines[row][col]):
             break
-        score3 += 1
     scenic *= score3
 
+    # right
     score4 = 0
-    for x in lines[row][col:]:
+    for x in lines[row][col+1:]:
+        score4 += 1
         if ( x >= lines[row][col]):
             break
-        score4 += 1
     scenic *= score4
 
-    print(row, col, score1, score2, score3, score4, scenic)
+    # down
+    score2 = 0
+    for x in lines[row:]:
+        score2 += 1
+        if ( x[col] >= lines[row][col]):
+            break
+    scenic *= score2
+
+
+    print(row, col, "|", score1, score2, score3, score4, "|", scenic)
     return scenic
 
 with open(sys.argv[1], "r") as file:

2022/day08/main3.py

@@ -0,0 +1,40 @@
+import sys
+
+def isVisible(lines, row, col):
+    scenic = 1
+    score = [1,2,3,4]
+    score[0] = [x[col] < lines[row][col] for x in lines[:row][::-1]]
+    score[1] = [x[col] < lines[row][col] for x in lines[row+1:]]
+    score[2] = [x < lines[row][col] for x in lines[row][:col][::-1]]
+    score[3] = [x < lines[row][col] for x in lines[row][col+1:]]
+
+
+    for a in score:
+        # print(a)
+        dist = 0
+        if (len(a) == 0):
+            dist = 0
+        elif (all(a)):
+            dist = len(a)
+        else:
+            dist = a.index(False) + 1
+        # print(dist)
+        scenic *= dist
+
+    print(row, col, "|", scenic)
+    return scenic
+
+with open(sys.argv[1], "r") as file:
+    lines = file.readlines()
+    for a in range(len(lines)):
+        lines[a] = lines[a].rstrip()
+        # a = a.rstrip()
+
+    best=0
+    for row in range(len(lines)):
+        for col in range(len(lines[0])):
+            # print(lines[row][col], end="")
+            yes = isVisible(lines, row, col)
+            best = max(best, yes)
+
+    print(best)