贪心算法（Greedy Algorithm）在对问题求解时，总是做出在 当前看来是最好的选择。 也就是说，不从整体最优上加以考虑，所做出的仅是在某种意义上的局部最优解。 贪心算法不是对所有问题都能得到整体最优解，关键在于 贪心策略的选择 和 贪心选择性质 的证明。

This repository contains my Java programming and Data Structures & Algorithms practice as I prepare for software engineering placements. I am building this repository topic-by-topic while improving my ...

Master stack data structure — Monotonic stack, NGE, stock span, expression evaluation, min-stack. 30+ interview problems with O(n) solutions.

The EPA repealed a Biden-era ruling requiring coal-fired power plants to significantly reduce their emissions of carbon dioxide, the main driver of climate change. How major of a setback is this?