摘要:
DescriptionBothSayaandKudolikeballoons.Oneday,theyheardthatinthecentralpark,therewillbethousandsofpeopleflyballoonstopatternabigimage.Theywereveryinterestedaboutthisevent,andalsocuriousabouttheimage.Sincetherearetoomanyballoons,itisveryhardforthemtocomputeanythingtheyneed.Canyouhelpthem?Youcanassume
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