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MAXXOR - Find the max XOR value |
You have two integers L and R, and you are required to find the maximum xor value of a and b where L ≤ a ≤ R and L ≤ b ≤ R.
Input
Two integers in a line. L, R ≤ 109.
Output
One integer, the answer.
Example
Input: 1 10 Output: 15
| Added by: | SCaffrey |
| Date: | 2015-12-03 |
| Time limit: | 1s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All except: ASM64 GOSU JS-MONKEY |
| Resource: | https://www.hackerrank.com/challenges/maximizing-xor |
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