Emacs plugin for participating in http://codeforces.com programming competitions.

• Install curl
• Download cfparser
• Add to your ~/.emacs file the following:

(add-to-list 'load-path "/path/to/cfparser/")
(require 'cf-mode)

• Put cf-mode minor mode to hook you wish. For example:

(add-hook 'find-file-hook 'cf-mode)  ; enable cf-mode for all open files

In ~/.emacs file you can change variables:

• cf-cookies-file - file, in which curl will store cookies
• cf-default-language - language to be used when it was not recognized by extension
• cf-test-command - shell command to compile and run your solution on sample tests. For example:

(setq cf-test-command
  (concat
    "g++ sol.cc; "
    "for i in `ls *.in | sed 's/.in//'`; do "
    "echo test $i; "
    "./a.out < $i.in | diff - $i.ans; "
    "done;"))

In file cf-languages.el you can adjust extension-to-language mappings.

• C-c c w - Who am I
• C-c c s - Submit currently open file
• C-c c i - Log In
• C-c c o - Log Out
• C-c c d - Download sample tests to current folder (0.in, 0.ans, 1.in ...)
• C-c c t - Execute cf-test-command
• C-c c l - List most recent submissions

Submit and save functions "guess" the contest number, problem index and the programming language by the current file name in one of the following forms:

• directory/505/A/myfile.cpp
• directory/505/a.c
• directory/505a.cc

• gabrielsimoes/cfparser.vim -- Similar plugin for Vim. It has more features than this one (e.g it can display a problem statement).