[CF1248] Codeforces Round #594 (Div. 1)
Codeforces Round #594 (Div. 1)
A - Ivan the Fool and the Probability Theory
找规律结论题。
B - The World Is Just a Programming Task (Hard Version)
括号题。(用括号树处理更方便)
C - Queue in the Train
数据结构模拟题。
D
匹配(强连通分量)题。待订正。
E
DP->凸包题。待订正。