Return how many integer grid points there are inside a 3D sphere of radius r centred at (0,0,0) (including points on the edge).
Neither string operations nor interpolations are allowed!
Solution Stats
Problem Comments
Problem Recent Solvers59
Suggested Problems
-
Increment a number, given its digits
611 Solvers
-
Who knows the last digit of pi?
540 Solvers
-
597 Solvers
-
How many trades represent all the profit?
617 Solvers
-
482 Solvers
More from this Author18
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)