Leetcode: Random Pick with weightalias method 算法流程总结: import numpy as np int k = len(probs) q=np.zeros(K) J=np.zeros(K,dtype=np.int) for kk, prob in enumerate(self.probs): self.q[kk] = prob* self.K if self.q[kk] < 1.0: self.smaller.append(kk) else: self.larger.append(k...