ldct

import Mathlib

def E₆ : Matrix (Fin 6) (Fin 6) ℤ :=
  !![ 2,  0, -1,  0,  0,  0;
      0,  2,  0, -1,  0,  0;
     -1,  0,  2, -1,  0,  0;
      0, -1, -1,  2, -1,  0;
      0,  0,  0, -1,  2, -1;
      0,  0,  0,  0, -1,  2]

ldct

/-
This file was edited by Aristotle.

Lean version: leanprover/lean4:v4.24.0
Mathlib version: f897ebcf72cd16f89ab4577d0c826cd14afaafc7
This project request had uuid: b78c420c-a6ac-4943-aaee-2bdbd23df478

The following was proved by Aristotle:

- lemma idlem (g : SO n) :  (@cpoly n g).roots.count 1 = n → g = 1

ldct

import Combine

public extension Publisher where Output: Sendable, Failure == Never {
    func next(_: isolated (any Actor)? = #isolation) async -> Output {
        var scopedCancellables = Set<AnyCancellable>()
        return await withUnsafeContinuation { continuation in
            self.first().sink { value in
                continuation.resume(returning: value)
                scopedCancellables.removeAll()
            }.store(in: &scopedCancellables)

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//: A UIKit based Playground for presenting user interface
  
import Combine

struct ViewState {
    var a: Int
    var b: Int
}

class MyClass {

ldct

x Y Z

x as small as possible
Y and Z same width

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➜  deno run teoria.ts Eb7add11
[ "eb", "g", "bb", "db", "ab" ]

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func sum(a: Int?, b: Int?) -> Int? {
    a.flatMap({ unwrappedA in
        b.flatMap({ unwrappedB in
            .some(unwrappedA + unwrappedB)
        })
    })
}

func sum(_ a: [Int], _ b: [Int]) -> [Int] {

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class SuperClass {
  public var customInt: Int? {
    didSet {
      print("super")
    }
  }
}

class ChildClass: SuperClass {
  override public var customInt: Int? {

ldct

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ldct

#!/usr/bin/env python3

from collections import deque

T = int(input())

def ans(maze):
    N = len(maze)
    M = len(maze[0])