2020年9月26日
339. Nested List Weight Sum 339.嵌套列表权重总和
摘要： Given a nested list of integers, return the sum of all integers in the list weighted by their depth. Each element is either an integer or a list -- wh 阅读全文
posted @ 2020-09-26 22:35 苗妙苗 阅读(115) 评论(0) 推荐(0)
341. Flatten Nested List Iterator展开多层数组
摘要： Given a nested list of integers, implement an iterator to flatten it. Each element is either an integer or a list -- whose elements may also be intege 阅读全文
posted @ 2020-09-26 11:09 苗妙苗 阅读(102) 评论(0) 推荐(0)
251. Flatten 2D Vector 平铺矩阵
摘要： Design and implement an iterator to flatten a 2d vector. It should support the following operations: next and hasNext. Example: Vector2D iterator = ne 阅读全文
posted @ 2020-09-26 00:46 苗妙苗 阅读(145) 评论(0) 推荐(0)