Pair of Numbers CodeForces - 359D（st表，二分）
Simon has an array a1, a2, …, an, consisting of n positive integers. Today Simon asked you to find a pair of integers l, r (1 ≤ l ≤ r ≤ n), such that the following conditions hold:there is integer j ...
![[Unity] KBEngine+unity 太空大战demo](/uploads/reation/bcimg4.png)
