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+....*....*.......289..729..........990....................../.........+.......*..*......*...............*.@...........#.............+....... +....147...613.............*534.........938....882...740.518.....994..........800.222..933...836.......260..339.=...........628.$935...../... +...............726.....308.............%........*...../.+........=..../146.................*...................509..........*........593.... +930.........................823..............994.................................100.....857.......................708.220.184.............. \ No newline at end of file diff --git a/2023/day3/main.py b/2023/day3/main.py new file mode 100644 index 0000000..054a981 --- /dev/null +++ b/2023/day3/main.py @@ -0,0 +1,72 @@ +def part1(file: str): + acc = [] + with open(file) as f: + for line in f: + acc.append([(c, False) for c in line if c != "\n"]) + + for i1, r in enumerate(acc): + for i2, c in enumerate(r): + if not c[0].isdigit(): + continue + + check = False + + def checker(a: int, b: int, check: bool): + # If already true + if check: + return True + + # Sanity check + if a < 0 or len(acc) <= a: + return check + if b < 0 or len(acc[a]) <= b: + return check + + # Adjacency check + it = acc[a][b][0] + if not it.isdigit() and not it == ".": + return True + return False + + # Coordinates + for i in range(-1, 2): + for j in range(-1, 2): + if i == 0 and j == 0: + continue + check = checker(i1 + i, i2 + j, check) + + if check: + acc[i1][i2] = (c[0], True) + + # Find problems + buffer = "" + res = 0 + for lines in acc: + test = False + for i, (c, t) in enumerate(lines): + if c.isdigit(): + buffer += c + if t: + test = True + + # End of number + if not c.isdigit() or i + 1 >= len(lines): + if len(buffer) > 0: + if test: + res += int(buffer) + test = False + buffer = "" + + return res + + +""" def part2(file: str): + pass """ + + +if __name__ == "__main__": + assert part1("example.txt") == 4361 + print(part1("input.txt")) + + """ assert part2("example.txt") == 2286 + print(part2("input.txt")) """