摘要:
DescriptionZiyao hasabigdrawingboardwithN*Msquares. At thebeginning,allthesquares on the board arewhite,represented by the number0.Wecanseethe4*4whilt... 阅读全文
摘要:
DescriptionIn this exercise, you will get two strings A and B in each test group and the length of every string is less than 40, you need to delete al... 阅读全文