用分治法解最大子数组问题 Part 1 Part 2 the sub with largest sum may be in: recursion Part 1 Part 2 or: The largest is the result Part 1 Part 2 问题5：跨中点的部分如何计算？用分治法解最大子数组问题 Part 1 Part 2 the sub with largest sum may be in: Part 1 Part 2 or: Part 1 Part 2 recursion The largest is the result