{"push_id":658346162,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"5332158de4046743354ed04e4e47c6e743ce9397","before":"49eb0d8f2ff70768211264a704379b7f52ed1e23","commits":[{"sha":"5332158de4046743354ed04e4e47c6e743ce9397","author":{"email":"e6f0071a8f653d5188a9e2e83fe8cdb113703ec7@126.com","name":"bluesilence"},"message":"Update combinations.cpp\n\nSecond version uses pure recursion, which is not necessarily faster than that with loop, but is clearer in code.","distinct":true,"url":"https://api.github.com/repos/bluesilence/cpp/commits/5332158de4046743354ed04e4e47c6e743ce9397"}]}