QOJ.ac

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JohnAlfnov ♀

Rating

3662

Contribution

9

Usergroup

Default

Motto

progynova

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Accepted problems：235 problems

55 58 59 61 65 142 143 190 217 275 495 605 681 684 786 833 837 849 889 894 957 959 960 962 964 967 983 992 996 1002 1057 1066 1067 1147 1183 1184 1186 1191 1197 1202 1217 1237 1238 1243 1427 1429 1436 1437 1440 1444 1454 1726 1764 1765 1767 1774 1775 1780 1807 1811 1816 1817 1821 1825 1833 1836 1837 1856 1877 1885 1887 1905 1931 1963 2000 2017 2018 2019 2115 2120 2123 2142 2151 2153 2158 2178 2213 2214 2215 2216 2218 2219 2220 2243 2265 2267 2281 2286 2290 2334 2348 2351 2402 2421 2426 2431 2438 2466 2467 2468 2470 2471 2603 2615 2621 2824 2842 2850 2852 3020 3066 3098 3101 3149 3246 3275 3301 3307 3502 3503 3504 3506 3510 3838 3845 4055 4220 4241 4252 4357 4612 4629 4635 4802 4808 4809 4828 4889 4899 4909 4920 5013 5016 5019 5022 5092 5096 5100 5239 5254 5463 5825 6194 6196 6299 6308 6309 6366 6504 6625 6627 6774 7417 7630 7637 7648 7742 7753 7759 7788 7795 7874 7876 7877 7881 7885 7896 7899 7901 7906 7974 8005 8018 8035 8047 8049 8111 8131 8174 8217 8238 8282 8322 8325 8370 8543 8640 8830 9114 9117 9155 9156 9158 9159 9160 9236 9240 9564 9622 9675 9676 9677 9678 9679 9680 9681 9682 9683 9685 9686 9687 9689 9991 9994 21655

Tried problems：13 problems

218 329 1157 2020 2217 2409 5098 9157 9237 9238 9239 9241 9688

Authored Problems：0 problem

None

Virtual Participations：6 contests

Name	Start time
IOI 2025 中国国家队选拔第二试 (CTS 2025 Day 2)	2025-01-28 08:47:21
International Olympiad in Informatics 2024 Day 1	2024-09-08 14:00:19
International Olympiad in Informatics 2024 Day 2	2024-09-08 08:01:41
(China) National Olympiad in Informatics 2024 Day 2	2024-07-25 07:59:59
(China) National Olympiad in Informatics 2024 Day 1	2024-07-24 07:29:59
Sample Contest	2022-03-23 20:02:04