Nonogram Row Nonogram Row
Simple
English

The ' nonogaram ' an exceptional mind-sharpening grid puzzle which requires for you to identify all cells in the grid as 'filled' or 'empty'.

For this mission you are given a row (String) and the number clues (list of Integers), so you will have to work with just one line. Each number clue represents the length of filled cells which will appear in that exact order.
If you'll manage to identify more filled or empty cells, reflect them in the input string and return it. If the row and number clues don't match, return None.

example

  • Symbol details:
    • '?' : unknown cell.
    • 'O' : filled cell.
    • 'X' : empty cell.

Example:

nonogram_row('??????????', [8]) == '??OOOOOO??'
nonogram_row('???O????O?', [3, 1]) == 'X??O??XXOX'
nonogram_row('????X?X???', [3, 2]) == '?OO?XXX?O?'
nonogram_row('???X?', [0]) == 'XXXXX'
nonogram_row('?????', []) == 'XXXXX'
nonogram_row('??X??', [3]) is None

Input: two arguments, an input row (String), and the number clues (list of Integers)

Output: the result row (String) or None

How it is used:
The actual nonogaram puzzle consists of multiple rows and also have number clues for the columns. All nonogram puzzles are designed in a way that all of the cells are identified as 'filled' or 'empty' with the help of the given number clues.

example

Precondition:

  • all(r in ('?', 'O', 'X') for r in row_string)
  • all(0 ≤ cn ≤ len(row_string) for cn in clue_numbers)
  • sum(clue_numbers) + len(clue_numbers) - 1 ≤ len(row_string)

Settings
Code:
CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)

checkio serv -d

Alternatevly, you can install Chrome extension or FF addon

checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium

Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.

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