#strings

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Two Pointers	#algorithms	done	0%
Checking every pair in an array costs n² comparisons. If the array is sorted, one comparison can rule out a whole row of pairs at once, and the nested loop collapses into a single pass. #strings #arrays #patterns +1 more: interviews Mar 24, 2026 · 7 min read · Updated 2 days ago

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Two Pointers
Post · Mar 24, 2026
Checking every pair in an array costs n² comparisons. If the array is sorted, one comparison can rule out a whole row of pairs at once, and the nested loop collapses into a single pass.

Two Pointers