Many people ask for the best IDE for programming contests where you don't need all the features than eclipse, Netbeans or VS has, there are many simple editors but only a few editors are really worth using.

Far Manager is a great tool for training in programming comptetitions because you can add lots of plugins avalible for it and extend the power like acced to ftp server, open compressed files, syntax highlighting, etc..

Far Manager has an simple editor than you can use for write source code and test data for a problem, you can also manage your files, preview text files and execute system commands to call compilers.