QOJ.ac

QOJ

User profile

liuhengxi

Rating

2564

Contribution

2

Usergroup

Default

Honors Rank

Highest Honors

Individual Honors

2025 International Olympiad in Informatics 2025 Gold Medal, Champion 🏆

Teams

2024 - ucup-team4863

2025 - ucup-team7610

Motto

Visit liuhengxi's blog

Rating changes

Accepted problems：164 problems

1 59 217 266 495 601 787 801 833 837 838 857 905 956 995 996 1004 1142 1188 1189 1814 1884 2064 2070 2373 2562 2563 2706 2757 2758 2784 2808 4212 4252 4306 4562 4805 4811 4882 4890 4907 5039 5071 5089 5171 5176 5243 5245 5458 5518 5519 5530 5534 5552 5827 6299 6410 6503 6674 6763 6837 6842 7042 7416 7562 7563 7777 7782 7875 7932 7943 8005 8047 8076 8079 8365 8518 8550 8598 8635 8642 8644 8822 9185 9237 9238 9278 9282 9463 9464 9465 9489 9518 9551 9552 9555 9562 9605 9635 9675 9699 9700 9840 10078 10101 10102 10104 10107 10108 10110 10111 10152 10178 10181 10182 10183 10228 10231 10243 10283 10629 10884 10885 10886 11001 11130 11295 11303 11374 11401 11403 11802 12043 12044 13168 13171 13648 13649 13650 13651 13902 13903 13904 13905 13907 14685 15001 15324 15457 15458 15459 15504 15880 15882 15883 16009 21566 21633 21895 21898 21909 21944 21945 21946

Tried problems：12 problems

464 786 2756 7769 9634 10185 11402 12045 13172 13906 15460 21894

Authored problems：1 problem

#	Problem Name
1	(LIS, LDS) - Coordinates

Virtual Participations：2 contests

Name	Start time
IOI 2025 Training Series #5 (based on EGOI 2025)	2025-07-21 12:05:22
International Olympiad in Informatics 2017 Day 1	2025-05-23 08:19:59