{"push_id":653268425,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"0603187b6a4492d2ad3fbda3b00f7cf13fb1e605","before":"7b3e549d9187c95941414a59708496dca9ba04a2","commits":[{"sha":"0603187b6a4492d2ad3fbda3b00f7cf13fb1e605","author":{"email":"0d9b8b407dc65da0f3451f7f1d56c7505b5549fa@email.wsu.edu","name":"hua.zhang"},"message":" update Word Ladder","distinct":true,"url":"https://api.github.com/repos/hustbill/java-OJ/commits/0603187b6a4492d2ad3fbda3b00f7cf13fb1e605"}]}