(Educational Codeforces Round 9 )Alice, Bob, Two Teams(前缀和)
Alice,Bob,TwoTeamstimelimitpertest1.5secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputAliceandBobareplayingagame.Thegameinvolvessplittingupgamepiecesintotwoteams.Therearenpie