Problemintro
Power-of-two test
Also called is power of two, check power of two.
Deciding whether x is a power of two, which holds exactly when x > 0 and x & (x-1) is zero.
Deciding whether x is a power of two, which holds exactly when x > 0 and x & (x-1) is zero.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
Tag PCP454 Edit this page History Report an error