Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...

IN RECENT days, John McCain has been lambasted for telling outright lies in his campaign ads--from the claim that Barack Obama called Sarah Palin a pig to the absurd charge that Obama insisted on sex ...