适用场景：需要求「下一个更大/更小」「上一个更大/更小」、或「右侧第一个满足某条件的元素」时，可优先考虑单调栈。与堆不同，单调栈不负责全局最值，只处理「相邻关系」类的一维序列问题。
IBM 强调，AI 在代码领域确实能带来价值，但不应被误解为可以「一键替代」大型机平台。真正的现代化工作远比语言转换复杂得多。
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中部戰區則負責首都北京的防衛，地位特殊。而且去年「九三閱兵」，韓勝延打破慣例擔任閱兵總指揮，檢閱過程中他也乘坐汽車，向習近平匯報，並陪同習近平檢閱。
There's another compelling reason to bring back a cheaper MacBook: It's the perfect way to court disgruntled Windows users, something Apple hasn't really done since its "Get A Mac" ads from the mid-2000s. I figure the unbridled success of the iPhone and iPad made Apple focus less on directly competing with Windows. The sleek designs of the 2011-2015 era MacBook Air and Pros were their main selling points, but Apple's push towards USB-C-only machines and unreliable butterfly keyboards later made it clear it wasn't totally focused on Macs.