{"push_id":997465393,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"9f1fbaa75b481858778f8f649c7ccbb4c16d9409","before":"421ae9e8dc47a1add2b40a0c5fe3edbe300be0ab","commits":[{"sha":"9f1fbaa75b481858778f8f649c7ccbb4c16d9409","author":{"email":"fced896dd960024d9baf4625a9612607baf6a516@gmail.com","name":"David Xue"},"message":"added 1.7_set_matrix_zeros","distinct":true,"url":"https://api.github.com/repos/RXiayth/ctci/commits/9f1fbaa75b481858778f8f649c7ccbb4c16d9409"}]}