基于我们自己定的规律, 在decode的里面不需要过多地去check error input, assume所有input都是规范的. decode就是找"#",然后用 ...

Are you looking for an AI assistant that can help you respond better in various situations? Imagine a tool that observes people’s expressions and guides you on how to reply appropriately, all while ...

Researchers at the University of Texas at Austin have been using artificial intelligence in combination with fMRI scans to translate brain activity into continuous text. The results were published ...

Note that the grouping (1 11 06) is invalid because "06" cannot be mapped into 'F' since "6" is different from "06". Given a string s containing only digits, return the number of ways to decode it.