描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。
В России ответили на имитирующие высадку на Украине учения НАТО18:04
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Another possibility could be for supporting local development flows. Throughout the development of Towerborne, we struggled to find the best approach for this. Flaky backend development environments can have a real impact on content creators who need things up and running to do their work. At the same time, backend engineers need to roll out new features quickly leading to some inevitable friction. One can imagine an approach that gives people the option to use the Native AOT DLL when running the game through the Unreal editor, but interacts with a real backend when running an actual game build.