290. Word Pattern
Given a pattern and a string s, find if s follows the same pattern.
Here follow means a full match, such that there is a bijection between a letter in pattern and a non-empty word in s.
Example 1: Input: pattern “abba”, s “dog c…
参考王树森《深度强化学习》课程和书籍 1、A2C原理: Observe a transition: ( s t , a t , r t , s t 1 ) (s_t,{a_t},r_t,s_{t1}) (st,at,rt,st1)
TD target: y t r t γ ⋅ v ( s t 1 ; w ) . y_{t} r_{t}\gamma\cdot v(s_{t1};\mathbf…