牛客 contest 42400E NTT

组合数学 标签

2022

10-29

牛客 contest 42400E NTT

09-20

CF 660E Different Subsets For All Tuples

09-20

CF 156D Clues

03-26

Luogu P5598 【XR-4】混乱度

2021

08-13

2021杭电多校8 1005 Separated Number

07-20

2021杭电多校1 K Necklace of Beads

03-21

2020-2021 Winter Petrozavodsk Camp, Belarusian SU Contest (XXI Open Cup, Grand Prix of Belarus) G Biological Software Utilities

2020

11-06

CF 1420D Rescue Nibel!

11-02

组合数学