Question: Can someone explain the thought process behind optimizing this nested loop? It currently runs in O(nlog(n)). How would I optimize it to a better time

Can someone explain the thought process behind optimizing this nested loop? It currently runs in O(nlog(n)). How would I optimize it to a better time complexity?

for(i = 1; i <= n; i++):

for(j = 1; j <= i; j = j*2):

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