Why this is giving doubt?


I think that j is occurring many times as when i=4 j starts from 2 only.
I don’t know how to solve this problem, Please tell me for this. And What’s the problem too?

@cbcao263,
Your doubt is not clear, what are you trying to ask.

I think that j is occurring many times as when i=4 j starts from 2 only.

What do you mean…??

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