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Picture Sweep Solver

Tool/solver to resolve Pictures Sweeps grids automatically. Picture Sweep is a logic game that mixes Picross and Minesweeper.

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Picture Sweep Solver -

Tag(s) : Number Games

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# Picture Sweep Solver

## Solve a Picture Sweep Puzzle

### How to solve a Picture Sweep grid?

The resolution of Picture Sweep (also known as Fill a Pix) logic games begins with the detection of the most restrictive figures (first 0 or 9, then 1 and 8, etc.). The player then searches, from the first boxes deduced, those which depend on it and whose state can be calculated with deductive reasoning in order to pursue the resolution.

Example:

 4 ␣ 4 ␣ 4 ␣ 4 ␣ 4 ␣ 2 2 2 2 2 ␣ ␣ 0 ␣ ␣ 3 4 ␣ 4 3 3 ␣ 3 ␣ 3
can be solved
 ■ ■ □ ■ ■ ■ ■ □ ■ ■ □ □ □ □ □ □ □ □ □ □ ■ □ □ □ ■ ■ ■ ■ ■ ■

### Why starting with cells 0 and 9?

The presence of a number 0 in a box means that no surrounding box is black, so they can all be marked as white.

The presence of a number 9 is in a box, means that all the surrounding boxes are black (and therefore that none is white).

NB: the same reasoning can be carried out with a 4 located in a corner of a Picture Sweep grid or a 6 on an edge, in these 2 cases, all the boxes around are black.

### What to deduce from side-by-side digits?

2 juxtaposed boxes (vertical or horizontal) have 6 common neighboring boxes, so 2 side-by-side digits with a gap of 3 allows to deduce information on the other 3 boxes (not common ).

Example: A box 7 is juxtaposed with a box 4, the box 7 indicates that all of its neighbors except 2 are black. Box 4 makes it possible to deduce that the side opposite to 7 is populated with white boxes.

2 juxtaposed boxes (diagonally) have 4 common boxes, so 2 diagonal figures with a gap of 5 allows to deduce information on the other 5 boxes (not common).

## Source code

dCode retains ownership of the "Picture Sweep Solver" source code. Except explicit open source licence (indicated Creative Commons / free), the "Picture Sweep Solver" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Picture Sweep Solver" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Picture Sweep Solver" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Picture Sweep Solver on dCode.fr [online website], retrieved on 2023-12-06, https://www.dcode.fr/picture-sweep-solver

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