QOJ.ac

QOJ

User profile

Kevin5307

Rating

2458

Contribution

-72

Usergroup

Default

Organization

Nan Jingwaiguo Yuxuexiao

Motto

$$ \frac{1}{1-x}\sum_{k=1}^\infty\frac{x^k}{1-\frac{x-x^{k+1}}{1-x}} $$

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Accepted problems：431 problems

62 63 64 68 69 71 72 121 130 141 217 249 266 313 329 361 362 415 464 499 603 618 782 786 853 855 856 858 860 862 905 906 962 964 967 968 995 996 997 999 1002 1003 1004 1085 1086 1089 1091 1092 1095 1253 1255 1257 1259 1261 1262 1263 1264 1643 1644 1647 1650 1651 1654 1655 1833 1834 1835 1838 1840 1842 1863 1864 1866 1869 1872 1875 1880 1881 1882 1883 2128 2160 2161 2162 2163 2164 2165 2166 2169 2172 2174 2208 2378 2429 2539 2540 2541 2542 2543 2544 2545 2547 2552 2554 2563 2595 2596 2598 2600 2601 2602 2603 2604 2616 2619 2833 3048 3050 3054 3056 3082 3223 3299 3301 3304 3512 3561 3724 3998 4169 4212 4218 4241 4243 4245 4273 4345 4406 4471 4511 4629 4630 4632 4633 4634 4635 4636 4786 4788 4789 4791 4792 4793 4794 4795 4797 4824 4825 4826 4827 4831 4896 4926 5014 5019 5036 5038 5041 5048 5050 5064 5065 5066 5069 5070 5071 5072 5073 5075 5076 5099 5116 5199 5203 5204 5363 5367 5368 5523 5825 6137 6178 6185 6275 6298 6299 6320 6322 6325 6329 6354 6355 6473 6508 6549 6552 6553 6555 6659 6667 6830 6835 6836 6838 6839 6840 6841 6842 6843 6844 6845 7218 7219 7221 7223 7225 7227 7276 7278 7281 7324 7399 7401 7404 7405 7406 7407 7408 7409 7436 7446 7448 7455 7500 7512 7514 7518 7535 7665 7684 7829 7864 7986 7987 7990 7991 7992 7993 7994 7995 7996 8006 8007 8008 8010 8013 8106 8113 8128 8129 8130 8131 8132 8133 8134 8135 8137 8171 8175 8176 8220 8221 8222 8223 8232 8234 8236 8237 8248 8252 8331 8332 8333 8334 8335 8336 8338 8339 8340 8347 8348 8349 8522 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8634 8635 8637 8639 8640 8641 8643 8648 8649 8650 8651 8670 8673 8714 8715 8716 8717 8718 8719 8720 8722 8723 8727 8729 8731 8759 8760 8770 8771 8772 8774 8775 8776 8777 8780 8786 8787 8790 8813 8815 8818 8821 8822 8823 8831 8832 8833 8834 8835 8837 8902 8903 8905 8907 8945 8947 8949 8950 8951 8952 9397 9404 9417 9425 9427 9431 9432 9434 9463 9476 9477 9478 9479 9480 9481 9482 9483 9484 9485 9488 9489 9490 9492 9514 9518 9532 9542 9607 9608 9613 9615 9619 9620 9621 9622 9623 9625 9626 9627 9628 9629 9631 9794 9862 9864 9866 9868 9869 9872 21403 21608 21652 21792 21794 21861

Tried problems：45 problems

65 149 360 1256 1877 2210 3306 4909 5033 5206 5874 6372 6550 6628 6668 6774 6823 7398 7403 7441 7526 7730 7935 8233 8384 8525 8642 8645 8646 8647 8904 8946 8948 9242 9370 9465 9571 9604 21726 21727 21728 21729 21730 21793 21795

Authored Problems：5 problems

#	Problem Name
1	Periodic Sequence
2	The Game
3	An Easy Geometry Problem
4	Dominating Point
5	Prism Palace

Virtual Participations：13 contests

Name	Start time
IOI 2023 国家集训队集训 Day 3 (CTT 2022 Day 3)	2024-09-18 13:17:21
IOI 2023 国家集训队集训 Day 2 (CTT 2022 Day 2)	2024-09-15 15:36:31
IOI 2023 国家集训队集训 Day 1 (CTT 2022 Day 1)	2024-09-13 13:51:34
2020-2021 ICPC Southeastern European Regional Programming Contest (SEERC 2020)	2024-08-22 14:49:17
Petrozavodsk Winter 2021. Day 1. Jagiellonian U Contest	2024-06-27 19:41:04
Baltic Olympiad in Informatics 2024 Day 2	2024-05-22 09:56:00
The 2020 ICPC World Finals - Moscow	2024-04-10 12:59:08
ByteDance-Moscow Workshops Camp 2020. The Final Contest	2024-02-21 19:10:21
2022-2023 ICPC Northern Eurasia Finals - Onsite	2024-02-18 15:32:19
The 2023 ICPC North America Qualifier	2024-02-18 15:19:04
2024 陕西省队选拔赛 Day 1 (SNOI 2024 Day 1)	2024-02-15 22:04:34
Croatian Open Competition in Informatics 2023/2024 Contest #1	2024-02-15 21:58:14
IOI 2023 中国国家队集训@威海 Day 1	2023-07-05 19:16:40