QOJ.ac

QOJ

User profile

happybob

Rating

1500

Contribution

0

Usergroup

Default

Motto

Visit happybob's blog

Rating changes

Accepted problems：101 problems

202 831 1127 1131 1177 1185 1288 1454 2352 2813 3126 3127 3144 3998 4083 4316 4577 4890 4891 4892 4895 4913 4914 4923 4924 5016 5017 5019 5020 5034 5098 5156 5160 6119 6125 6331 6659 6665 7510 7644 7649 7717 7762 7993 8257 8258 8584 8598 8602 8641 8650 8729 8781 8787 8968 9098 9254 9306 9432 9463 9482 9492 9634 9698 9909 9911 9913 9914 9974 10063 10094 10299 10300 10306 10928 11253 11258 11262 11272 11274 11404 11405 11411 11423 11427 12043 12173 12559 12571 13008 13079 13080 13082 13083 13917 14297 14514 14515 21858 21861 21862

Tried problems：13 problems

1139 1441 4897 4927 5100 8234 8452 10134 10302 11282 13081 13084 21860

Authored problems：0 problem

None

Virtual Participations：3 contests

Name	Start time
IOI 2021 中国国家集训队作业	2025-08-06 21:33:35
(China) National Olympiad in Informatics 2025 Day 2	2025-08-03 08:00:01
(China) National Olympiad in Informatics 2025 Day 1	2025-07-27 08:00:20