strategy.py 文件源码

def __init__(self, n=2):
        pair = PairGen._Pair(*tuple(0 for _ in range(n)))
        self._n = n
        self._memo = {}
        self._pq = []

        # max_sizes, only generate up to this.
        self.max_sizes = [-1 for _ in range(n)]
        self.continuation = {}

        heapq.heappush(self._pq, pair)