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This approach utilizes the two-pointer technique to efficiently solve the problem. By keeping track of two pointers and adjusting them based on certain conditions, we can achieve the desired solution in a more efficient manner.
Time Complexity: O(n)
Space Complexity: O(1)
1void Solve(int[] arr) {
2 int left = 0, right = arr.Length - 1;
3 while (left < right) {
4 // Implement the solution using two-pointer here
5 left++;
6 right--;
7 }
8}In C#, the same two-pointer method is employed with language-specific syntax.
This approach involves first sorting the input data, then iterating through it to construct the solution. The sorted nature of the data can simplify the logic needed for solving the problem.
Time Complexity: O(n log n) due to sorting
Space Complexity: O(1) if we disregard sorting space
1JavaScript offers sort with a custom comparator to handle sorting. Post-sorting iteration is then done with a for-of loop.