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2 votes
2 answers
4k views

Can nested loop have linear time complexity

I was going through the traditional quick sort algorithm. I had a look on the partition algorithm in a couple of places and the implementation difference was very subtle. Here are the 2 approaches: ...
arnie7's user avatar
  • 33
-1 votes
3 answers
507 views

Time complexity of an algorithm [closed]

What is the complexity of the following loop? for(i=1;i<n;i=2^i) sum+=i;
Anshul Negi's user avatar
3 votes
4 answers
9k views

Complexity in nested loops

Foreword: In this post, I will make the common confusion between O(n) and Theta(n) as complexity notations. I will write pseudo-code to talk about algorithms, using whatever notation I find to my ...
Pierre Arlaud's user avatar