Find the 9's complement of the given number.
An example of how this works is shown here.
Solution Stats
Problem Comments
-
1 Comment
Olaoluwa Rotimi Popoola
on 24 May 2017
How do they always get a solution of size 10?
Problem Recent Solvers204
Suggested Problems
-
Find best placement for ordered dominoes (harder)
193 Solvers
-
532 Solvers
-
Create a vector whose elements depend on the previous element
289 Solvers
-
339 Solvers
-
197 Solvers
More from this Author73
Problem Tags
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)