「KDOI」Round 1 on Luogu

「KDOI」Round 2 on Luogu

「KDOI」Round 3 on Luogu

「KDOI」Round 4, LGR-130 Luogu Monthly Contest on Luogu

「KDOI」Round 5, MX-X1 MX Weekly Contest · Future 1 on MXOJ

「KDOI」Round 6 (Junior Division), LGR-163 Luogu CSP-J 2023 Simulation on Luogu

「KDOI」Round 6 (Senior Division), LGR-164 Luogu CSP-S 2023 Simulation on Luogu

「KDOI」Round 7 (Division 1), JRKSJ Round 9 on Luogu

「KDOI」Round 7 (Division 2), JRKSJ Round 9 on Luogu

「KDOI」Round 8, [TBA] on Codeforces. Guess which contest will it be!

「KDOI」Round 9, coming soon on Luogu. Guess when will it be held!

「KDOI」Round 10, LGR-202 Luogu CSP-S 2024 Simulation on Luogu.

「KDOI」Round 11, MX-S6 MX NOIP 2024 Simulation Round 2 on MXOJ.