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Help in ICPC 19 onine round problem
Can someone give more insights on this ICPC-19 online round problem . I know it requires LIS and prefix sum but I can't develop the idea.
Before writing this blog I have searched for it's answer in ICPC India Online Round 2019 Discussion blog on Codeforces but no one has explained the idea there, thus I have no source to understand it ...
Thanx, regards.
