Edit - Code Golf Stack Exchange

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

Rev

1

\$\begingroup\$ Clever one) Will be there always solution to that congruence equation? \$\endgroup\$

Somnium
– Somnium

2014-07-25 12:18:22 +00:00
Commented Jul 25, 2014 at 12:18
1

\$\begingroup\$ @user2992539 There will always be the trivial solutions, 1 (original image) and modulo-1 (inverted/reversed image). Most numbers have non-trivial solutions, but there are some exceptions, it seems. (related to the prime factorization of modulo) \$\endgroup\$

Tim S.
– Tim S.

2014-07-25 12:26:28 +00:00
Commented Jul 25, 2014 at 12:26
\$\begingroup\$ As I understand trivial solutions lead to image similar to input one. \$\endgroup\$

Somnium
– Somnium

2014-07-25 15:36:45 +00:00
Commented Jul 25, 2014 at 15:36
\$\begingroup\$ Correct: 1 outputs the original image, and -1 outputs e.g. imgur.com/EiE6VW2 \$\endgroup\$

Tim S.
– Tim S.

2014-07-25 15:52:38 +00:00
Commented Jul 25, 2014 at 15:52

Add a comment |

Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>
MathJax equations \$\sin^2 \theta\$

formatting help »
answering help »

MathJax help »