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finished day 3

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gabe 2022-08-20 22:35:27 -05:00
parent 9c95528e76
commit 64e7a253f2
6 changed files with 418 additions and 9 deletions
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Pipfile.lock generated
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{ {
"_meta": { "_meta": {
"hash": { "hash": {
"sha256": "bf24791e041f80c18b2c667226aa3b47e25ebb5779ca595d076d8cf87f785918" "sha256": "1a3671b568f0cf9b012b6e7415c1952a33c8121d6876697499fff3dbdb69783f"
}, },
"pipfile-spec": 6, "pipfile-spec": 6,
"requires": { "requires": {
@ -39,13 +39,6 @@
"markers": "python_version >= '3.6'", "markers": "python_version >= '3.6'",
"version": "==21.3" "version": "==21.3"
}, },
"parse": {
"hashes": [
"sha256:9ff82852bcb65d139813e2a5197627a94966245c897796760a3a2a8eb66f020b"
],
"index": "pypi",
"version": "==1.19.0"
},
"pluggy": { "pluggy": {
"hashes": [ "hashes": [
"sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159", "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159",

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day3/day3.py Executable file
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#! /usr/bin/env python3
import pathlib
import sys
import re
from dataclasses import dataclass
from pprint import pprint
def parse(puzzle_input: str):
"""Parse input"""
# returns a 2 dimentional array where true means there is a tree there.
return [[i=='#' for i in j] for j in puzzle_input.splitlines()]
def part1(data):
"""Solve part 1"""
return solveForSlope(data, 3, 1)
def solveForSlope(data, right: int, down: int):
return sum(1 for index, row in enumerate(data[::down]) if row[(right*index)%len(row)])
def part2(data):
"""Solve part 2"""
return solveForSlope(data,1,1)*solveForSlope(data,3,1)*solveForSlope(data,5,1)*solveForSlope(data,7,1)*solveForSlope(data,1,2)
def solve(puzzle_input):
"""Solve the puzzle for the given input"""
data = parse(puzzle_input)
solution1 = part1(data)
solution2 = part2(data)
return solution1, solution2
if __name__ == "__main__":
for path in sys.argv[1:]:
print(f"{path}:")
puzzle_input = pathlib.Path(path).read_text().strip()
solutions = solve(puzzle_input)
print("\n".join(str(solution) for solution in solutions))

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day3/example1 Normal file
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day3/test_day3.py Normal file
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#! /usr/bin/env python3
import pathlib
import pytest
import day3 as aoc
PUZZLE_DIR = pathlib.Path(__file__).parent
#these test fixtures setup the test, mainly by reading the filename into a string in this simple case.
@pytest.fixture
def example1():
puzzle_input = (PUZZLE_DIR / "example1").read_text().strip()
return aoc.parse(puzzle_input)
@pytest.fixture
def example2():
puzzle_input = (PUZZLE_DIR / "example1").read_text().strip()
return aoc.parse(puzzle_input)
# @pytest.mark.skip(reason="Not implemented")
def test_parse_example1(example1):
"""Test that input is parsed properly"""
assert example1 == [[False, False, True, True, False, False, False, False, False, False, False],
[True, False, False, False, True, False, False, False, True, False, False],
[False, True, False, False, False, False, True, False, False, True, False],
[False, False, True, False, True, False, False, False, True, False, True],
[False, True, False, False, False, True, True, False, False, True, False],
[False, False, True, False, True, True, False, False, False, False, False],
[False, True, False, True, False, True, False, False, False, False, True],
[False, True, False, False, False, False, False, False, False, False, True],
[True, False, True, True, False, False, False, True, False, False, False],
[True, False, False, False, True, True, False, False, False, False, True],
[False, True, False, False, True, False, False, False, True, False, True]]
# @pytest.mark.skip(reason="Not implemented")
def test_part1_example1(example1):
"""Test part 1 on example input"""
assert aoc.part1(example1) == 7
# @pytest.mark.skip(reason="Not implemented")
def test_part2_example2(example2):
"""Test part 2 on example input"""
assert aoc.part2(example2) == 336

3
template.py
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@ -4,8 +4,9 @@ import pathlib
import sys import sys
import re import re
from dataclasses import dataclass from dataclasses import dataclass
from pprint import pprint
def parse(puzzle_input): def parse(puzzle_input: str):
"""Parse input""" """Parse input"""
def part1(data): def part1(data):