Hoverbear/rust-rosetta — pull request #224 by prakhar1989 (2014-09-13 18:33:57+00:00)
Title: Added RPN version of 24 game

An alternate implementation of the 24 game problem which uses RPN (reverse polish notation expressions).

FYI [RosettaCode](http://rosettacode.org/wiki/Reports:Tasks_not_implemented_in_Rust) still shows that 24 game and 24 game solve are not yet completed.