Entries from 2019-04-14 to 1 day

Codeforces Round #551 (Div. 2) F. Serval and Bonus Problem

https://codeforces.com/contest/1153/problem/FWithout loss of generality, we assume \(L=1\). The probability that x is covered by a single interval is \(2x(1-x)\). Let \(f(x)=2x(1-x)\), then the expectation of the length covered by exactly …