[LeetCode] Flatten 2D Vector
Problem Description: Implement an iterator to flatten a 2d vector. For example,Given 2d vector = By calling next repeatedly until hasNext ...
原文：[LeetCode] 1011. Capacity To Ship Packages Within D Days 在D天内送达包裹的能力
A conveyor belt has packages that must be shipped from one port to another withinDdays. The ithpackage on the conveyor belt has a weight ofweights i . Each day, we load the ship with packages on the ...
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