{"push_id":830716092,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"27c08a1dce3213ebdff93d8409337192d54d35d1","before":"eea0beef3e6fa78803d3532e15fe60695dff8a8c","commits":[{"sha":"27c08a1dce3213ebdff93d8409337192d54d35d1","author":{"email":"9bf9cf677ddb9394e6f9b293ee889736b50d661d@gmail.com","name":"Joou"},"message":"Init recursive version.\n\nTo right nodes, push them into the stack.\nTo left nodes, make them to be the right node.\nWhen it is the far left node, pop all stack element one by one to be its\nright node.","distinct":true,"url":"https://api.github.com/repos/JoouChou/quiz/commits/27c08a1dce3213ebdff93d8409337192d54d35d1"}]}