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  2. Graph coloring - Wikipedia

    en.wikipedia.org/wiki/Graph_coloring

    With only two colors, it cannot be colored at all. With four colors, it can be colored in 24 + 4 × 12 = 72 ways: using all four colors, there are 4! = 24 valid colorings (every assignment of four colors to any 4-vertex graph is a proper coloring); and for every choice of three of the four colors, there are 12 valid 3-colorings. So, for the ...

  3. Flood fill - Wikipedia

    en.wikipedia.org/wiki/Flood_fill

    Flood-fill (node): 1. Set Q to the empty queue or stack. 2. Add node to the end of Q. 3. While Q is not empty: 4. Set n equal to the first element of Q. 5. Remove first element from Q. 6. If n is Inside: Set the n Add the node to the west of n to the end of Q. Add the node to the east of n to the end of Q.

  4. Row- and column-major order - Wikipedia

    en.wikipedia.org/wiki/Row-_and_column-major_order

    More generally, there are d! possible orders for a given array, one for each permutation of dimensions (with row-major and column-order just 2 special cases), although the lists of stride values are not necessarily permutations of each other, e.g., in the 2-by-3 example above, the strides are (3,1) for row-major and (1,2) for column-major.

  5. Python (programming language) - Wikipedia

    en.wikipedia.org/wiki/Python_(programming_language)

    Nuitka compiles Python into C. [164] It works with Python 3.4 to 3.12 (and 2.6 and 2.7), for Python's main supported platforms (and Windows 7 or even Windows XP) and for Android. It claims complete support for Python 3.10, some support for 3.11 and 3.12 and experimental support for Python 3.13. It supports macOS including Apple Silicon-based.

  6. Non-printing character in word processors - Wikipedia

    en.wikipedia.org/wiki/Non-printing_character_in...

    Microsoft Word, LibreOffice, OpenOffice.org (from 3.0) Key combination in other word processors Windows Alt Key Codes [5] Unicode name Unicode code Unicode code Space · Space: SPACE 0x20 0032 Non-breaking space ° Ctrl+⇧ Shift+Space: Ctrl+Space for FrameMaker, LyX (non-Mac), OpenOffice.org (before 3.0), WordPerfect: Alt+0+1+6+0 or Alt+2+5+5 ...

  7. Decision table - Wikipedia

    en.wikipedia.org/wiki/Decision_table

    This can be a hyphen [1] [2] [3] or blank, [4] although using a blank is discouraged as it may merely indicate that the decision table has not been finished. [ citation needed ] One of the uses of decision tables is to reveal conditions under which certain input factors are irrelevant on the actions to be taken, allowing these input tests to be ...

  8. Lookup table - Wikipedia

    en.wikipedia.org/wiki/Lookup_table

    In 493 AD, Victorius of Aquitaine wrote a 98-column multiplication table which gave (in Roman numerals) the product of every number from 2 to 50 times and the rows were "a list of numbers starting with one thousand, descending by hundreds to one hundred, then descending by tens to ten, then by ones to one, and then the fractions down to 1/144 ...

  9. Boolean data type - Wikipedia

    en.wikipedia.org/wiki/Boolean_data_type

    The C programming language uses an integer type, where relational expressions like i > j and logical expressions connected by && and || are defined to have value 1 if true and 0 if false, whereas the test parts of if, while, for, etc., treat any non-zero value as true. [1] [2] Indeed, a Boolean variable may be regarded (and implemented) as a ...