Method __init__

tasks/281.py:8–14

(self, vecs)

    """

    def __init__(self, vecs):
        # do intialization if necessary
        self.vecs = vecs
        self.queue = []
        for i in range(len(vecs)):
            if len(vecs[i]) > 0:
                self.queue.append((i, 0))
    """
    @return: An integer
    """