Find if there is a rectangle in binary matrix with corners as 1 | GeeksforGeeks

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If you have already checked for a particular j and k why are you again checking for k and j. Isn't it redundant? Since k goes from j + 1 to (num_of_columns - 1).

abcd
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Can anyone explain me how to get familiar with combinations of map as well as set as shown in above example...?

kishluvkarn
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Here we want explanations not reading the solution, any one can read this from gfg or any other site

RaviPrakash-rtvx
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Sorry but very bad explanation. Just reading the solution.. This wasnt expected from GFG

rajatgupta-ldwg
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What bullish the explanation is.
He just said what ever written in the comment. even we have eyes too. We can also see. Dont ever post this type of time wasting videos.

anuragjaiswal