7 kyu
Simple beads count
5,024 of 20,008Joz
Description:
Two red beads are placed between every two blue beads. There are N blue beads. After looking at the arrangement below work out the number of red beads.
@ @@ @ @@ @ @@ @ @@ @ @@ @
Implement a function returning the number of red beads.
If there are less than 2 blue beads return 0.
Fundamentals
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| Created | Jan 7, 2017 |
| Published | Jan 7, 2017 |
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