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Help, problem D. Tree Construction.
Hey everyone, how are you?
I am getting Time limit in this problem with a complexity of O(n log n) n<=10^5. I tried to see if something is overlapping, but couldn't find any. Thanks everyone.
And sorry for my bad English.
submission link: http://mirror.codeforces.com/contest/675/submission/18651358. Organized code Link: https://codeshare.io/leZMR
