Range Sum Query 2D - Immutable - Swift Solution @ LeetCode
Range Sum Query 2D - Immutable, is a LeetCode problem from Array subdomain. In this post we will see how we can solve this challenge in Swift
Problem Description
You can find the full details of the problem Range Sum Query 2D - Immutable at LeetCode
Solution
Time Complexity: O(mn) for init(), O(1) for sumRegion(), Space Complexity: O(mn)
Please check the main.swift snippet for the solution.
This solution originally posted at: Github by @soapyigu
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