Title: magician Download
 Description: Reversal of playing cards: playing cards are arranged on the table. Each time you reverse a certain range of cards, or ask the playing cards in a certain range are reversed several times. Using the line segment tree, you can process large-scale data (there are a lot of cards)
 Downloaders recently: [More information of uploader zzzzssssssss]]
 To Search:
File list (Click to check if it's the file you need, and recomment it at the bottom):
文件名大小更新时间
magician.cpp 3494 2020-01-03

DSSZ www.dssz.org