Problem 42800. house of cards
How many cards do one need to build a house of cards with n stages? Short explanation:
/\ 2 cards for 1 stage
/_\ 7 cards for 2 stages /\ /\
....
Solution Stats
Problem Comments
-
2 Comments
Jan Orwat
on 15 Apr 2016
@Thomas, the Test Suite is broken. Please provide "x" or replace it with "n" in tests.
Thomas Bischoff
on 15 Apr 2016
Sorry for mistake! You are right! thanks
Solution Comments
Show commentsWho Deserves Your Praise? Discover the New Contribution Widget!
We are excited to announce another update to our Discussions area: the...
Problem Recent Solvers36
Suggested Problems
-
Rotate input square matrix 90 degrees CCW without rot90
637 Solvers
-
350 Solvers
-
525 Solvers
-
281 Solvers
-
Write a code that will follow the equation y = x * (x + x) * x.
341 Solvers
More from this Author9
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
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: United States.
You 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)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)