gabrielepalma

class Solution {
    func inorderTraversal(_ root: TreeNode?) -> [Int] {
        var stack: [(TreeNode, Bool)] = (root != nil) ? [(root!, true)] : []
        var output:[Int] = []
        while let (node, unvisited) = stack.popLast() {
            guard unvisited else {
                output.append(node.val)
                print(node.val)
                continue
            }

gabrielepalma

import Foundation

extension Sequence where Element: Hashable {
    public func mode() -> [Element] {
        var freq = [Element:Int]()
        self.forEach { freq[$0] = (freq[$0] ?? 0)+1 }
        var max = freq.values.max()
        return freq.filter { $0.1 == max }.map { $0.0 }
    }
}

gabrielepalma

func deleteStuff(_ request: Request) throws -> Future<SomeKindOfType>
    {
        let promise = request.eventLoop.newPromise(of: SomeKindOfType.self)
        DispatchQueue.global().async {
            guard let decodedBody = try? request.content.decode(ExpectedRequestBody.self).wait() else {
                promise.fail(error: Abort(HTTPResponseStatus.badRequest))
                return
            }
            
            try? SomeFluentType.query(on: request).filter(somefilter).delete().wait()

gabrielepalma

class NetworkManager : NetworkManagerProtocol {
    var networkConfiguration : NetworkConfigurationProtocol

    init(networkConfiguration : NetworkConfigurationProtocol) {
        self.networkConfiguration = networkConfiguration
    }

    func makeRequest(request: Request) -> Promise<Void> {
        return firstly {
            makeRequestInternal(request: request)

gabrielepalma

func store(_ req: Request) -> Future<Bool> {
    return req.eventLoop.future(true)
}

func submit(_ req: Request) throws -> Future<HTTPStatus> {
    return try req.content.decode(Bool.self).then({ res -> EventLoopFuture<Bool> in
        return store(req)
    }).map({ bool -> HTTPStatus in
        .ok
    })

gabrielepalma

func loginUser(_ request: Request) throws -> Future<AuthorizedUser>
    {
        let minimumTimeToLiveForRefreshToken : Double = 60 * 60 * 24 * 30 // One month
        let user = try request.requireAuthenticated(User.self)
        guard let userId = user.id else {
            throw Abort(HTTPResponseStatus.internalServerError)
        }
        let accessTokenString = try user.createJwt(usage: JWTConfig.AccessToken.usage, expiration: JWTConfig.AccessToken.expiration).0
        let promise = request.eventLoop.newPromise(of: AuthorizedUser.self)
        DispatchQueue.global().async {

gabrielepalma

struct Dog : Animal {
    func eat() {
        print("dog eats")
    }
    func talk() {
        print("dog talk")
    }
}

protocol Animal {

gabrielepalma

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    long int N,K,p,q,sum,i,j,max=0,x=0;

gabrielepalma

import Foundation

// Complete the arrayManipulation function below.
func arrayManipulation(n: Int, queries: [[Int]]) -> Int {
    var items = Array(repeating: 0, count: n)
    print("\(items)")
    for query in queries {
        let s = query[0] - 1
        let e = query[1]
        let k = query[2]