Time: 2021/07/23 20:00 - 2021/07/23 22:30 (GMT+8)
Duration: 150 minutes
Problem count: 5
Language: Chinese(Traditional)
Author: tree~, revcoding
Contest URL: http://203.64.191.163/ShowContest?contestid=119
View Other Contests: https://hackmd.io/@jakao/DRCList
Question Form: https://docs.google.com/forms/d/e/1FAIpQLSdpy8jIZRVMqPaQHmUsq3Q57YOiA53uY1TmFBgBw29LRwNcew/viewform
Tutorial URL: https://hackmd.io/@tree-note/drc9_tutorial
Tester: tree~, revcoding
Host of DDJ Regular Contest: jakao, benson0402
and - Every Participants of DDJRC#9