today i want to invite you to codefights.com in codefights you fight with a person in world. but the coding is different! it is not coding, it is debugging race!! there is a wrong code ! you must debug it!! in codefights there are leagues and challanges and etc. the charms of codefights are the coins. in each fight you earn coins. you can save your coin to buy T_shirts. here are some photos of codefights