ix35's Blog
IOI 2021 集训队作业部分题解
IOI 2022
JOI 2018 Final
JOI 2020 Final
JOI 2021 Final
XR-3
XR-4
XXII Open Cup, Grand Prix of EDG
XXII Open Cup named after E.V. Pankratiev, Grand Prix of Poland
XXI Open Cup, Grand Prix of Korea
XXI Open Cup, Grand Prix of Nizhny Novgorod
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