3 !+T@s<ddlmZddlmZddlmZddlmZddZdS))division)print_function)stderr)update_watchlistccs|t|jkr|VdSxndD]f}|r@tdj|j||td|||<t|||d>|B||rx"t||||d|D] }|VqvWqWd||<dS)z Recursively solve SAT by assigning to variables d, d+1, ..., n-1. Assumes variables 0, ..., d-1 are assigned so far. A generator for all the satisfying assignments is returned. NrzTrying {} = {})file)rr)len variablesprintformatrrsolve)instance watchlist assignmentdverbosearAC:\Users\user\Documents\MATLAB\CS4300\A3\solvers\recursive_sat.pyr s   r N) __future__rrsysrrrr rrrrs