Can anybody explain me how to solve E using binnary search(I can`t understand editorial)
https://mirror.codeforces.com/contest/1692/problem/E https://mirror.codeforces.com/contest/1692/problem/E https://mirror.codeforces.com/contest/1692/problem/E https://mirror.codeforces.com/contest/1692/problem/E https://mirror.codeforces.com/contest/1692/problem/E
