某島

… : "…アッカリ~ン . .. . " .. .
December 10, 2021

The 2019 ICPC Asia Nanjing Regional Contest

https://codeforces.com/gym/103466

Problem A. A Hard Problem

Problem B. Chessboard

開始以為是培養皿問題。。。
後來發現只能連續的整行 or 整列。。(話說我小時候抄書的時候就喜歡用這種掃描方式。。。)
簡單組合數討論一下即可。

Problem C. Digital Path

Problem D. Holes

看起來是挺標準的期望 DP。。。居然是這套題里最難得題?

Problem E. Observation

不會。
https://blog.csdn.net/xym_CSDN/article/details/102906128

Problem F. Paper Grading

https://blog.csdn.net/qq_43202683/article/details/104100136

Problem G. Poker Game

Problem H. Prince and Princess

Problem I. Space Station

Problem J. Spy

Problem K. Triangle