浅念づ昔夜's Blog

08-25

CF19B Checkout Assistant

08-23

CF126B Password

08-22

luoguP10894 虚树

08-21

luoguP10893 城市化发展委员会

08-21

CF2001C Guess The Tree

08-20

ABC367F Rearrange Query

08-20

ABC367E Permute K times

08-19

ABC367D Pedometer

08-16

CF1998C Perform Operations to Maximize Score

08-14

HDU7523 cats 的 k-xor