08

08/08.py

@@ -0,0 +1,75 @@
+
+with open('input') as file:
+    field = list(map(lambda x: list(map(int, x)), file.read().strip().split('\n')))
+
+visible = set()
+
+for i in range(len(field)):
+    m = -1
+    for j in range(len(field)):
+        if field[i][j]>m:
+            m = field[i][j]
+            visible.add((i, j))
+
+for i in range(len(field)):
+    m = -1
+    for j in range(len(field)-1, -1, -1):
+        if field[i][j]>m:
+            m = field[i][j]
+            visible.add((i, j))
+
+for j in range(len(field)-1, -1, -1):
+    m = -1
+    for i in range(len(field)):
+        if field[i][j]>m:
+            m = field[i][j]
+            visible.add((i, j))
+
+for j in range(len(field)-1, -1, -1):
+    m = -1
+    for i in range(len(field)-1, -1, -1):
+        if field[i][j]>m:
+            m = field[i][j]
+            visible.add((i, j))
+
+print(len(visible))
+
+def scenic_score(field, mi, mj):
+    n = len(field)
+    m = len(field[0])
+    s = 1
+    k = 0
+    i = mi+1
+    while not (i==n or field[i][mj]>=field[mi][mj]):
+        k += 1
+        i += 1
+    if not i==n:
+        k += 1
+    s *= k
+    k = 0
+    i = mi-1
+    while not (i==-1 or field[i][mj]>=field[mi][mj]):
+        k += 1
+        i -= 1
+    if not i==-1:
+        k += 1
+    s *= k
+    k = 0
+    j = mj+1
+    while not (j==m or field[mi][j]>=field[mi][mj]):
+        k += 1
+        j += 1
+    if not j==n:
+        k += 1
+    s *= k
+    k = 0
+    j = mj-1
+    while not (j==-1 or field[mi][j]>=field[mi][mj]):
+        k += 1
+        j -= 1
+    if not j==-1:
+        k += 1
+    s *= k
+    return s
+
+print(max(scenic_score(field, i, j) for i in range(len(field)) for j in range(len(field[0]))))