输入：num = "1432219", k = 3
US approves sale of Nvidia's advanced AI chips to China
В России ответили на имитирующие высадку на Украине учения НАТО18:04，详情可参考同城约会
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Create custom tuning profiles that take advantage of the inherent quantities of the input data and CPU thread saturation/scheduling/parallelization to optimize the crate such that ALL benchmarks run 60% or quicker (1.4x faster). You can use the flamegraph crate to help with the profiling