QOJ.ac

QOJ

As we are currently experiencing an overwhelming number of web requests for fetching user submissions, we have temporarily disabled the full submissions list. You must now be logged in to view submissions.

User profile

QBF

Rating

2438

Contribution

0

Usergroup

Default

Motto

Visit QBF's blog

Rating changes

Accepted problems：380 problems

1 12 59 217 232 246 247 265 266 425 426 427 602 618 619 620 787 801 833 837 850 856 857 862 888 892 905 956 961 962 964 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 995 996 999 1002 1003 1004 1005 1088 1134 1135 1136 1137 1138 1139 1140 1141 1142 1144 1145 1166 1173 1250 1262 1289 1351 1355 1425 1812 1815 1817 1824 1825 1839 1840 1844 1854 1884 1961 2035 2036 2279 2305 2306 2308 2347 2423 2548 2550 2554 2555 2562 2563 2570 2576 2577 2578 2579 2580 2581 2601 2670 2671 2672 2717 2743 2744 2745 2746 2747 3082 3248 3274 3679 3875 4000 4007 4008 4009 4011 4012 4088 4241 4243 4314 4427 4430 4475 4476 4515 4561 4562 4563 4564 4565 4566 4677 4780 4786 4788 4795 4802 4808 4878 4889 4890 4891 4894 4900 4913 4924 5013 5015 5016 5022 5069 5076 5169 5213 5214 5217 5218 5219 5220 5221 5222 5223 5243 5312 5406 6063 6111 6185 6298 6299 6300 6302 6303 6306 6307 6308 6309 6310 6366 6502 6508 6537 6538 6540 6555 6673 6842 6969 6970 6971 6974 7054 7118 7120 7121 7122 7123 7296 7297 7300 7315 7415 7510 7751 7759 7767 7774 7775 7839 8003 8035 8085 8086 8174 8184 8185 8190 8224 8326 8365 8417 8559 8564 8577 8589 8643 8646 8651 8671 8683 8731 8839 8932 8933 8935 8940 8941 8943 8944 9038 9039 9040 9042 9047 9080 9162 9222 9240 9241 9318 9463 9464 9523 9527 9528 9529 9530 9531 9532 9533 9606 9611 9613 9632 9638 9639 9641 9643 9646 9648 9649 9650 9651 10003 10007 10045 10181 10182 10185 10202 10228 10231 10240 10278 10287 10429 10539 10542 10543 10545 10629 10761 10762 10763 10764 10765 10766 10767 10768 10769 10770 10771 10772 10884 10885 10886 10977 10980 10982 10983 10986 11106 11107 11109 11110 11117 11404 11407 11408 11524 11622 11630 12212 12213 12332 12785 13081 13168 13268 13287 13288 13290 13291 13292 13293 13294 13823 13825 13827 13828 13831 13834 13835 13836 13837 13838 13839 13840 13842 13902 13903 13904 13905 13907 14575 14581 21648 21727 21864 21870 22059

Tried problems：35 problems

464 621 622 786 1357 2210 3095 5017 5067 5100 5981 6393 7119 7295 7330 8739 9049 9604 9634 10042 10178 10183 10297 10305 10871 11001 11108 13822 13832 13906 14573 14574 14576 14577 14578

Authored problems：0 problem

None

Virtual Participations：8 contests

Name	Start time
International Olympiad in Informatics 2020 Day 2	2025-11-25 07:27:02
International Olympiad in Informatics 2020 Day 1	2025-11-24 07:54:07
International Olympiad in Informatics 2022 Day 2 (IOI 2022 Day 2)	2025-11-20 07:46:48
International Olympiad in Informatics 2023 Day 2	2025-11-13 07:47:18
International Olympiad in Informatics 2023 Day 1	2025-11-11 07:36:57
Public CT* Round #2 Day 1	2025-10-07 10:57:04
International Olympiad in Informatics 2025 Day 2 (IOI 2025 Day 2)	2025-09-05 07:23:15
International Olympiad in Informatics 2025 Day 1 (IOI 2025 Day 1)	2025-09-02 07:22:54