摘要: 分治法求最大子序列和: def calc(a, l, r): m = (l + r) >> 1 if l == r: return a[l] leftsum = calc(a, l, m) rightsum = calc(a, m + 1, r) thissum = 0 rightbordersum 阅读全文
posted @ 2020-03-03 12:11 SwiftAC 阅读(174) 评论(0) 推荐(0)