LeetCode-Swift | Solutions to LeetCode by Swift | Learning library

 by   soapyigu Swift Version: Current License: MIT

kandi X-RAY | LeetCode-Swift Summary

kandi X-RAY | LeetCode-Swift Summary

LeetCode-Swift is a Swift library typically used in Tutorial, Learning, Example Codes, LeetCode applications. LeetCode-Swift has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

Solutions to LeetCode by Swift

            kandi-support Support

              LeetCode-Swift has a medium active ecosystem.
              It has 4613 star(s) with 865 fork(s). There are 162 watchers for this library.
              It had no major release in the last 6 months.
              There are 9 open issues and 13 have been closed. On average issues are closed in 75 days. There are 30 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of LeetCode-Swift is current.

            kandi-Quality Quality

              LeetCode-Swift has no bugs reported.

            kandi-Security Security

              LeetCode-Swift has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              LeetCode-Swift is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              LeetCode-Swift releases are not available. You will need to build from source code and install.

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            LeetCode-Swift Key Features

            No Key Features are available at this moment for LeetCode-Swift.

            LeetCode-Swift Examples and Code Snippets

            No Code Snippets are available at this moment for LeetCode-Swift.

            Community Discussions

            Trending Discussions on LeetCode-Swift


            TwoSum Swift Solution
            Asked 2019-Dec-14 at 02:19

            I just started learning coding with swift, and was trying TwoSum.

            "Given an array of integers, return indices of the two numbers such that they add up to a specific target.

            You may assume that each input would have exactly one solution, and you may not use the same element twice.


            Given nums = [2, 7, 11, 15], target = 9,

            Because nums[0] + nums[1] = 2 + 7 = 9, return [0, 1]."

            I found some solutions from GitHub that I cannot understand.

            code is from https://github.com/soapyigu/LeetCode-Swift/blob/master/Array/TwoSum.swift



            Answered 2018-Dec-17 at 00:35

            The dict initialised in the method stores the numbers in the input as keys, and their indices as values. The program uses this to remember which number is where. The dict can tell you things like "the number 2 is at index 0".

            For each number num at index i in the input array, we subtract num from the target to find the other number that we need, in order for them to add up to target.

            Now we have the other number we need, we check to see if we have seen such a number before, by searching dict. This is what the if let lastIndex = dict[target - num] part is doing. If the dict knows what index the other number is at, we return that index, and i.

            If we haven't seen that number before, we record i into the dictionary under the key num, hoping that in later iterations, we can find a number that when added to num, makes 9.

            Source https://stackoverflow.com/questions/53807647

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network


            No vulnerabilities reported

            Install LeetCode-Swift

            You can download it from GitHub.


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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