▁of ▁five ▁years , ▁Sn ack Down ▁made ▁its ▁com eb ack ▁in ▁ 2 0 1 5 , ▁followed ▁by ▁Sn ack Down ▁ 2 0 1 6 ▁and ▁Sn ack Down ▁ 2 0 1 7 . ▁ ▁Sn ack Down ▁ 2 0 1 7 ▁concluded ▁with ▁O leg ▁Mer k ure v ▁of ▁U ral ▁Federal ▁University ▁and ▁Ale k se i ▁Dan ili uk ▁of ▁NR U ▁High er ▁School ▁of ▁Econom ics ▁from ▁Russia ▁claim ing ▁the ▁title ▁and ▁winning ▁a ▁c ash ▁award ▁of ▁$ 1 0 , 0 0 0 . ▁The ▁first ▁run ners ▁up ▁title ▁was ▁gra bb ed ▁by ▁Ry uta ▁K aw ai ▁and ▁Koh ji ▁Li u ▁from ▁University ▁of ▁Tokyo , ▁Japan . ▁ ▁C CD S AP ▁( Code Che f ▁Cert ified ▁Data ▁Struct ures ▁and ▁Alg orithms ▁Program me ) ▁ ▁C CD S AP ▁is ▁a ▁cert ification ▁programme ▁by ▁Code Che f ▁which ▁tests ▁candidates ' ▁prof ic iency ▁in ▁data ▁structures ▁and ▁algorithms . ▁The ▁programme ▁offers ▁three ▁difficulty ▁levels , ▁namely ▁Foundation , ▁Advanced , ▁and ▁Ex pert . ▁The ▁first ▁C CD S AP ▁cert ification ▁exam ▁was ▁held ▁on ▁November ▁ 1 9 , ▁ 2 0 1 7 ▁followed ▁by ▁the ▁second ▁and ▁third ▁ex ams ▁on ▁ 2 1 ▁January ▁ 2 0 1 8 ▁and ▁ 1 8 ▁March ▁ 2 0 1 8 . ▁ ▁Go ▁For ▁Gold ▁ ▁The ▁Go ▁For ▁Gold ▁initi ative ▁was