POST /new
Content-Type: application/json
<description>
(title, time, memory, source, input, output, sample_input, sample_output)
HTTP1.1 200 OK
Content-Type: application/json
{“qid”: <qid>}
POST /run/qid/<questionID>/user/<userID>/lang/<lang>
Content-Type: text/plain
<put code>
HTTP1.1 200 OK
Content-Type: application/json
{“rid”: <rid>}