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advent_of_code/2021/06.py
2021-12-08 21:18:28 +00:00

50 lines
1.1 KiB
Python

# with open('./2021/06.test') as input_file:
with open('./2021/06.input') as input_file:
raw_input = input_file.read()
input_data = raw_input.split(",")
input_data = [int(x) for x in input_data]
# Using dicts
fish_dict = {0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0}
for one_input in input_data:
fish_dict[one_input] += 1
for i in range(0, 256):
for index in range(0, 9):
fish_dict[index - 1] = fish_dict[index]
fish_dict[6] += fish_dict[-1]
fish_dict[8] = fish_dict[-1]
fish_dict[-1] = 0
if i == 79:
output_sum = 0
for one_value in fish_dict.values():
output_sum += one_value
print(output_sum)
print(i, end='\r')
output_sum = 0
for one_value in fish_dict.values():
output_sum += one_value
print(output_sum)
# # Brute force method
# for i in range(0, 256):
# for index in range(len(input_data)):
# input_data[index] -= 1
# if input_data[index] < 0:
# input_data[index] = 6
# input_data.append(8)
# if i == 79:
# print(len(input_data))
# print(i, end='\r')
# print(len(input_data))