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2 Commits
443b33e863
...
a31f009abe
Author | SHA1 | Date | |
---|---|---|---|
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a31f009abe | ||
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d4204d5c8d |
@ -82,7 +82,7 @@ def ParsePossibilities(text):
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# RemoveImpossibleLetters(good_letters, good_positions)
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# The harder ones second:
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if(text_len == 5):
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# if(text_len == 5):
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# Could be 2, 3, or 5
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# MUST contain positions 'a', 'd', and 'g' in any 5-position number
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# MIGHT contain positions 'b' and 'f' for FIVE
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@ -91,7 +91,7 @@ def ParsePossibilities(text):
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# if one of them is found with two others, it's either c or f
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# if one of them is not found with two others, it could be b or e
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if(text_len == 6):
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# if(text_len == 6):
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# Could be 0, 6, or 9
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# MUST contain positions 'a', 'b', 'f', and 'g' in any 6-position number
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# MIGHT contain positions 'c' and 'd' for NINE
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@ -108,6 +108,7 @@ with open('example_data', 'r') as fp:
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data = split_line[0].split()
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# print(data)
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codes = split_line[1]
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data += codes
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for val in codes.split():
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if(len(val) in [2, 3, 4, 7]):
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total += 1
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|
100
2021/9/data
Normal file
100
2021/9/data
Normal file
@ -0,0 +1,100 @@
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5434456789899876598943212349988734679896554212468998765634987654567895454569876745567898765987654678
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|
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|
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|
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|
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|
5
2021/9/example_data
Normal file
5
2021/9/example_data
Normal file
@ -0,0 +1,5 @@
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2199943210
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3987894921
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9856789892
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8767896789
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9899965678
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44
2021/9/main.py
Normal file
44
2021/9/main.py
Normal file
@ -0,0 +1,44 @@
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data = []
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with open('data', 'r') as fp:
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# NOTE(dev): We assume all lines are the same length
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for line in fp:
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data_line = []
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for ch in line.strip():
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data_line.append(int(ch))
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data.append(data_line)
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total = 0
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for y in range(0, len(data)):
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for x in range(0, len(data[y])):
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sub_total = 0
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all_four = 0
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# above
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if(y > 0):
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if(data[y-1][x] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 # skip
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# below
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if(y < len(data) - 1):
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if(data[y+1][x] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 #skip
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# left
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if(x > 0):
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if(data[y][x-1] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 #skip
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# right
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if(x < len(data[y]) - 1):
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if(data[y][x+1] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 #skip
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if(all_four == 4):
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total += data[y][x] + 1
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print(total)
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95
2021/9/main2.py
Normal file
95
2021/9/main2.py
Normal file
@ -0,0 +1,95 @@
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data = []
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low_points = []
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with open('data', 'r') as fp:
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# NOTE(dev): We assume all lines are the same length
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for line in fp:
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data_line = []
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for ch in line.strip():
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data_line.append(int(ch))
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data.append(data_line)
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total = 0
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for y in range(0, len(data)):
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for x in range(0, len(data[y])):
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sub_total = 0
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all_four = 0
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# above
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if(y > 0):
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if(data[y-1][x] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 # skip
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# below
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if(y < len(data) - 1):
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if(data[y+1][x] > data[y][x]):
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all_four += 1
|
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else:
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all_four += 1 #skip
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# left
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if(x > 0):
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if(data[y][x-1] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 #skip
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# right
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if(x < len(data[y]) - 1):
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if(data[y][x+1] > data[y][x]):
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all_four += 1
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else:
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all_four += 1 #skip
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|
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if(all_four == 4):
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total += data[y][x] + 1
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low_points.append(tuple([y,x]))
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print('Part 1:', total)
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bin_sizes = []
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for point in low_points:
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points_to_check = [point]
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checked_points = []
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|
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while len(points_to_check):
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p = points_to_check.pop()
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checked_points.append(p)
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cur_y = p[0]
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cur_x = p[1]
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# check left
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||||
if(cur_x > 0):
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if(data[cur_y][cur_x - 1] < 9):
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left = tuple([cur_y, cur_x - 1])
|
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if(not (left in checked_points) and not (left in points_to_check)):
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points_to_check.append(left)
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||||
|
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# check right
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||||
if(cur_x < len(data[0]) - 1):
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if(data[cur_y][cur_x + 1] < 9):
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right = tuple([cur_y, cur_x + 1])
|
||||
if(not (right in checked_points) and not (right in points_to_check)):
|
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points_to_check.append(right)
|
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|
||||
# check above
|
||||
if(cur_y > 0):
|
||||
if(data[cur_y - 1][cur_x] < 9):
|
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above = tuple([cur_y - 1, cur_x])
|
||||
if(not (above in checked_points) and not (above in points_to_check)):
|
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points_to_check.append(above)
|
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|
||||
# check below
|
||||
if(cur_y < len(data) - 1):
|
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if(data[cur_y + 1][cur_x] < 9):
|
||||
below = tuple([cur_y + 1, cur_x])
|
||||
if(not (below in checked_points) and not (below in points_to_check)):
|
||||
points_to_check.append(below)
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||||
|
||||
bin_sizes.append(len(checked_points))
|
||||
|
||||
bin_sizes.sort()
|
||||
|
||||
total = 1
|
||||
for i in range(len(bin_sizes) - 1, len(bin_sizes) - 4, -1):
|
||||
total *= bin_sizes[i]
|
||||
|
||||
print(total)
|
Loading…
Reference in New Issue
Block a user