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For question borderline with, or having application to, computer science. Consider also posting http://cs.stackexchange.com/ or http://cstheory.stackexchange.com/ instead of here, if appropriate.

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How does the greedy algorithm for CSES problem collecting numbers work?

I was actually confused about the problem itself. The problem stated that we had to collect numbers in an increasing order in each round. I assumed that they didn't have to be consecutive. For ex: in …
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How does the greedy algorithm for CSES problem collecting numbers work? [closed]

The collecting numbers problem in the CSES problem set has a greedy solution where we compare the position of a number x with the position of x-1. If pos(x) < pos(x-1) then we increment rounds because …
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