[UVA][線段樹][區間最大連續和] 1400 - "Ray, Pass me the dishes!"
After doing Ray a great favor to collect sticks for Ray, Poor Neal
becomes very hungry. In return for Neal's help, Ray makes a great dinner
for Neal. When it is time for dinner, Ray arranges all the dishes he
makes in a single line (actually this line is very long ...
, ...