twostones - bradendubois/competitive-programming GitHub Wiki
Take Two Stones
ID: twostones
Difficulty: 1.3
CPU Time: 1 second
Memory: 1024 MB
Solution
Just looking at the sample data, it appears that any odd N results in a win for Alice, and any even N results in a win for Bob. Modulo division (N % 2) can tell whether the number is even or not.