XKC , the captain of the basketball team , is directing a train of nn team members. He makes all members stand in a row , and numbers them 1 \cdots n1⋯n from left to right.
The ...
2019-2020 ICPC, Asia Jakarta Regional Contest (Online Mirror, ICPC Rules, Teams Preferred)
easy: ACEGHK
medium-easy: BJL
medium: D
?????: I
A.
B.
C.
对 \(R[],C[]\) 分别按奇偶性分段。
网!
D.
考虑 c...
2018-2019 ACM-ICPC, Asia East Continent Finals
总体情况
本次训练共3小时20分钟,通过题数4。
解题报告
D. Deja vu of … Go Players
题意
\(A,B\)博弈,\(A\)有\(N\)堆石子,第\(i\)堆数量\(a_i\); \(B\)有\(...