思路：单调递增栈 + k 控制删除次数。高位越小整体越小，遇更小数字时弹出栈顶大数（仅当 k0）；栈空且当前为 0 则跳过（避免前导零）；若遍历完 k 仍0，从末尾再删 k 位。
AI作为日常工具我主要用来当高效百度用，但放在工作中更多的是利用AI总结、归纳、整理的能力。它能帮我快速整理数据、总结文章。或者让它帮我干一些机械性、费时间（需要耐心完成）的一些工作。，这一点在同城约会中也有详细论述
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SAVE $250: As of Feb. 26, the Eufy Omni C20 is on sale for $349.98 at Amazon. That's a 42% discount on the list price.。关于这个话题，WPS官方版本下载提供了深入分析
I dug in and got GitHub access to FNA’s Native AOT ports for Xbox and PS5 as well as some private channels in the FNA Discord. Knowing that there were other examples in the world of C# being run on consoles using Native AOT gave me some level of hope that just maybe this might be possible. However, there were still many unknowns and overall this was a huge risk. I presented my findings and asked for two weeks for the backend team to come up with a proof of concept. A valid proof of concept meant demonstrating that we could take some of our existing C# code and call it from the Unreal game client on all three platforms we needed to support.