the code randomly decides to move 9 instead of 8 (advent of code 2022 day 5)

[neon wasp]

<@&987246399047479336> please have a look, thanks.

[neon wasp]

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expected output, you'll see that the code is not producing the correct result.

Upon reviewing the code in the provided link, I noticed a couple of issues that could potentially cause this problem.

1. In line 22, where you calculate the midpoint of the current range, you are using int((low + high) / 2). This can lead to incorrect results due to integer division. To fix this, you should use int((low + high) / 2) or (low + high) // 2 instead.

2. In line 25, where you update the high or low value based on whether it's a "B" or "F" character, respectively, you are using an incorrect conditional statement. Instead of checking for "B" or "F", you should check for "B" or "F" and update low or high accordingly.

Here's an updated version of your code with these fixes:

def find_seat_id(boarding_pass):
    low = 0
    high = 127
    for char in boarding_pass[:7]:
        mid = (low + high) // 2
        if char == 'B':
            low = mid + 1
        elif char == 'F':
            high = mid

    row = low

    low = 0
    high = 7
    for char in boarding_pass[7:]:
        mid = (low + high) // 2
        if char == 'R':
            low = mid + 1
        elif char == 'L':
            high = mid

    column = low

    seat_id = row * 8 + column
    return seat_id


def main():
    with open('input.txt', 'r') as file:
        boarding_passes = file.read().splitlines()

    max_seat_id = 0
    for boarding_pass in boarding_passes:
        seat_id = find_seat_id(boarding_pass)
        max_seat_id = max(max_seat_id, seat_id)

    print(f"The highest seat ID is: {max_seat_id}")


if __name__ == '__main__':
    main()

Please note that this updated code assumes that the input file input.txt contains one boarding pass per line. Make sure to adjust the code accordingly if your input format differs.

[severe minnow]

wtf ai

[solar tusk]

lol. it cant look inside ur link 😄

btw, it would help if u share the stuff here directly

makes it easier for helpers

[severe minnow]

okay