526互联

878E

[CF878E]Numbers on the blackboard

E - Numbers on the blackboard 最后的答案肯定为\(\sum_{l\leq i\leq r} 2^{p_i}\times a_i\) 然后这个\(p\)满足以下限制： \(p_i=0\)（\(i=l\)） \(1\leq p_i\leq p_{i-1}+1\)（\(l<i ......
blackboard Numbers 878E 878 the

CF878E 题解

# CF878E Numbers on the blackboard 题解 ## Links [洛谷](https://www.luogu.com.cn/problem/CF878E) [Codeforces](https://codeforces.com/problemset/problem/87 ......
题解 878E 878 CF
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