Center of Mass solutions

Center of Mass was solved using Perl by 9 contestants.

595. download yamauchi (S, L)
608. download poly (S, L)
609. download Amitoj (S, L)
640. download lorien (S, L)
650. download itelichko (S, L)
1084. download Graphite (S, L)
1096. download eiji (S, L)
1139. download sugyan (S)
1174. download alexvas (S, L)