Combinations of a String/Array
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» Given a sorted array find all possible |ai - aj| where ai,aj belongs to Array A. n^2 is obvious. Find a solution in O(N).
» Find a point in an array where sum of left side array members(wrt to that point) and right side(wrt to that point) are equal..in other words equilibrium point.
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» Find a point in an array where sum of left side array members(wrt to that point) and right side(wrt to that point) are equal..in other words equilibrium point.
» String Matching KMP
» Reverse a String
» Permutations of a String
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