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文章
CF
2024
1
CF2003D Turtle and a MEX Problem
2023
1
CF388C Fox and Card Game
2022
7
CF1031E Triple Flips
CF1223F Stack Exterminable Arrays
CF923F Public Service
CF1667F Yin Yang
CF1523F Favorite Game
CF961G Partitions
CF848C Goodbye Souvenir
2021
1
CF643C Levels and Regions
1