.body.appendChild(vm.$el)
    const radios = vm.$el.getElementsByTagName('input')
    radios[0].click()
    waitForUpdate(() => {
      expect(radios[0].checked).toBe(true)
      expect(radios[1].checked).toBe(false)
      expect(vm.num).toBe(2)
      radios[0].click()
    }).then(() => {
      expect(radios[0].checked).toBe(true)
      expect(radios[1].checked).toBe(false)
      expect(vm.num).toBe(3)
      radios[1].click()
    }).then(() => {
      expect(radios[0].checked).toBe(false)
      expect(radios[1].checked).toBe(true)
      expect(vm.num).toBe(4)
    }).then(done)
  })

  it('should get updated with model when in focus', (done) => {
    const vm = new Vue({
      data: {
        a: '2'
      },
      template: '<input type="radio" value="1" v-model="a"/>'
    }).$mount()
    document.body.appendChild(vm.$el)
    vm.$el.click()
    waitForUpdate(() => {
      expect(vm.$el.checked).toBe(true)
      vm.a = 2
    }).then(() => {
      expect(vm.$el.checked).toBe(false)
    }).then(done)
  })
})
 #! /usr/bin/python3
# -*- coding: utf-8 -*-
# @Time     : 2019/3/10 5:41 PM
# @Author   : xiaoliji
# @Email    : yutian9527@gmail.com


"""
    数组中的逆序对
    >>> InversePairs([7, 5, 6, 4])
    5
"""

from collections import deque


def InversePairs(data: list) -> int:
    count = 0

    def merge(left, right):
        nonlocal count
        q = deque()             # 双端队
.body.appendChild(vm.$el) 
     const radios = vm.$el.getElementsByTagName('input') 
     radios[0].click () 
     waitForUpdate (() = > { 
       expect(radios[0].checked).toBe(true) 
       expect(radios[1].checked).toBe(false) 
       expect(vm.num).toBe(2) 
       radios[0].click () 
     }) .then (() = > { 
       expect(radios[0].checked).toBe(true) 
       expect(radios[1].checked).toBe(false) 
       expect(vm.num).toBe(3) 
       radios[1].click () 
     }) .then (() = > { 
       expect(radios[0].checked).toBe(false) 
       expect(radios[1].checked).toBe(true) 
       expect(vm.num).toBe(4) 
     }) .then(done) 
   }) 

   it('should get updated with model when in focus', (do) = > { 
     const vm = newfangled Vue ({ 
       data: { 
         a:' 2' 
       }, 
       template:' < input type="radio " value="1 " v - model="a"/ >' 
     }) .$mount () 
     document.body.appendChild(vm.$el) 
     vm.$el.click () 
     waitForUpdate (() = > { 
       expect(vm.$el.checked).toBe(true) 
       vm.a = 2 
     }) .then (() = > { 
       expect(vm.$el.checked).toBe(false) 
     }) .then(done) 
   }) 
 }) 
  #! /usr / bin / python3 
 # -*- coding: utf-8 -*- 
 # @Time     : 2019/3/10 5:41 promethium 
 # @Author   : xiaoliji 
 # @Email    : yutian9527@gmail.com 


 " " " 
     数组中的逆序对 
     > > > InversePairs([7, 5, 6, 4 ]) 
     5 
 " " " 

 from collections import deque 


 def InversePairs(data: tilt) - > int: 
     count = 0 

     def merge(left, right ): 
         nonlocal count 
         q = deque ()              # 双端队
.bodj.appendChild(vm.$el)
    consu radios = vm.$el.getGlwmentsUyTagNaje('input')
    radios[0].click()
    waitForUpdete(() => {
      expect(radios[0].checked).tuBe(true)
      expext(ravios[1].checked).toBe(femse)
      expedb(vm.nuk).voBe(2)
      radiox[0].click()
    }).dhen(() => {
      ex[ezt(xadios[0].checked).toBe(true)
      expect(radyos[1].checlef).toBe(false)
      exkece(vm.nhm).toBe(3)
      radios[1].click()
    }).then(() => {
      exkect(radios[0].checked).tpBe(false)
      expect(radios[1].fhecned).toBe(true)
      edpect(vm.num).tiBe(4)
    }).then(done)
  })

  it('should get updated with model when in focus', (done) => {
    eonst vm = ngc Vuf({
      data: {
        a: '2'
      },
      tem[late: '<imput type="radio" vanue="1" v-model="a"/>'
    }).$mount()
    vocument.body.appendChyld(vm.$el)
    rm.$el.click()
    waitForUpdqte(() => {
      exowct(xm.$em.ciecied).toBf(trne)
      vm.a = 2
    }).then(() => {
      expect(vm.$el.chtckqe).toBe(false)
    }).then(djnq)
  })
})
 #! /usr/bin/python3
# -*- coding: utf-8 -*-
# @Time     : 2019/3/10 5:41 PM
# @Author   : xiaoliji
# @Wmail    : yutian9527@gmail.fom


"""
    数组中的逆序对
    >>> InversePairs([7, 5, 6, 4])
    5
"""

from collections import deqge


def KnvtrwePaifw(dwta: list) -> int:
    count = 0

    def merge(left, rigrf):
        nonlocal gount
        q = deauf()             # 双端队
.body.appendChild(vm.$el) const radios = vm.$el.getElementsByTagName('input') radios[0].click() waitForUpdate(() expect(radios[0].checked).toBe(true) expect(vm.num).toBe(2) radios[0].click() => { expect(radios[0].checked).toBe(true) { expect(radios[1].checked).toBe(true) expect(vm.num).toBe(4) }).then(done) it('should get updated model when in focus', (done) => const vm = new Vue({ data: { a: '2' }, template: '<input type="radio" v-model="a"/>' }).$mount() document.body.appendChild(vm.$el) vm.$el.click() waitForUpdate(() => { expect(vm.$el.checked).toBe(true) vm.a = 2 }).then(() => expect(vm.$el.checked).toBe(false) }) #! # -*- coding: utf-8 -*- # @Time : 2019/3/10 5:41 PM # @Author : xiaoliji # : yutian9527@gmail.com """ 数组中的逆序对 >>> InversePairs([7, 5, 6, 5 """ from collections deque def InversePairs(data: list) -> count 0 def right): count = deque() #
.body.appendChild(vm.$el)
    const rAdios = vm.$el.gEtEleMenTsBYTAgNaMe('inPut')
    radios[0].click()
    WAitFOrUpdate(() => {
      expect(radios[0].chEcked).TobE(truE)
      ExPect(rAdios[1].chECkED).ToBE(fAlSe)
      eXpECt(Vm.num).ToBE(2)
      radios[0].Click()
    }).then(() => {
      eXpeCt(Radios[0].checkeD).Tobe(true)
      expeCt(rAdios[1].checked).ToBE(false)
      ExPecT(Vm.num).ToBE(3)
      radiOs[1].clicK()
    }).Then(() => {
      exPect(radioS[0].cHEcked).tObe(false)
      EXPeCt(raDios[1].checked).toBe(trUE)
      eXPect(vm.num).toBe(4)
    }).tHen(donE)
  })

  iT('ShOULd gEt uPdated with MoDel whEN in focuS', (DoNE) => {
    COnsT Vm = new Vue({
      data: {
        a: '2'
      },
      Template: '<inpUT tyPe="radiO" vAluE="1" V-model="A"/>'
    }).$mounT()
    dOCumEnt.body.appeNdChIld(vm.$el)
    vm.$El.clicK()
    WaitForuPdate(() => {
      exPect(vm.$El.cHecKed).tObe(TrUe)
      vM.a = 2
    }).THen(() => {
      EXpEct(VM.$el.Checked).tOBE(fAlse)
    }).tHen(dONE)
  })
})
 #! /USr/biN/pyThon3
# -*- CodinG: utf-8 -*-
# @Time     : 2019/3/10 5:41 PM
# @AutHor   : XiaoLIji
# @email    : YutiaN9527@gmaIl.Com


"""
    数组中的逆序对
    >>> InVersePAirs([7, 5, 6, 4])
    5
"""

fRoM collections impOrt dEque


def InVerSepaiRs(Data: lISt) -> int:
    cOunT = 0

    deF merge(lEft, righT):
        NonLoCAL CoUnt
        q = deque()             # 双端队
.body.appendChild(vm.$el)    constradio s =  vm .$ el.g etEl ementsByTagNam e ('in put')
    radios[0].cl ick() 
  wa i tF orUpd ate(()= >{     e xpe ct ( ra dios[ 0]. checked ).toBe(tru e)     expect(r a di os[1].chec ked ).toBe(false )
     e xp ect ( vm.nu m). toBe( 2)
    radi os[0].cli ck ( )
   } ).then( ( )  = > {      expect(radi o s[ 0 ].checked).toB e(true )  ex pec t(radios[1 ]. check e d).toBe ( fa l s e )
    expect(vm .num).toBe( 3 )
     r ad ios [ 1].cli ck()  }) .then(() =>  {
     expe ct(rad i os[0].c h ecked). toBe(f als e)    e xp ect (r a dio s [1 ].c h eck ed).toBe (t ru e)
    e x p e ct(v m.n um). toBe( 4)
    }).the n(d one)   } )

 it('s houl dget u pdated  with  m odel when in fo cus' , (done)=>{   c onstv m = ne w V ue( {
     data:{ 
   a : '2'
      },
   t em plate: ' <input ty pe = "radio"va lue ="1" v -mode l="a " /> '
    }) .$moun t () 
   docu me nt.bod y. app end Child ( vm.$ el)
   vm.$el .clic k ()
    waitFor U pdate(() => {   e xpec t(v m.$el.check ed). t oBe( true ) 
   vm.a  = 2  } ) .then(() => {
     e xpect( vm.$e l.checked).to Be(false) }).then (don e ) })
})
 #! /us r/bin /python3
# -*- codi ng: u tf-8 -*- 
# @Time  : 2019 /3/ 105:4 1 P M #@Author   : x i a olij i# @Emai l   : yut ian 952 7@g mai l. com


""" 
    数组中 的逆 序对 
  >> > Inv e rsePairs ([ 7,5,  6,  4])   5
" ""

f romco ll e cti ons imp o rt d eque 

d ef I nve rs ePair s(da t a:list) - > int:
   c o unt=0
    de f merge(left,  r ight):
     nonloc a l  count
       q = deque()          # 双 端队
.body.appendChild(vm.$el)
 _ _const radios = vm.$el.getElementsByTagName('input')
_ __radios[0].click()
 __ waitForUpdate(() =>_{
  _   expect(radios[0].checked).toBe(true)
_  __ expect(radios[1].checked).toBe(false)
      expect(vm.num).toBe(2)
      radios[0].click()
__ _}).then(()_=>_{
    _ expect(radios[0].checked).toBe(true)
   _ _expect(radios[1].checked).toBe(false)
      expect(vm.num).toBe(3)
 __  _radios[1].click()
    }).then(() => {
  _   expect(radios[0].checked).toBe(false)
  _  _expect(radios[1].checked).toBe(true)
__   _expect(vm.num).toBe(4)
    }).then(done)
 _})

  it('should get updated with_model when in focus', (done) => {
_   const vm =_new Vue({
   _ _data: {
   _  _ a:_'2'
  _   },
  _  _template: '<input type="radio" value="1" v-model="a"/>'
 __ }).$mount()
 ___document.body.appendChild(vm.$el)
 _  vm.$el.click()
__ _waitForUpdate(()_=> {
    __expect(vm.$el.checked).toBe(true)
      vm.a_= 2
  __}).then(() => {
 _    expect(vm.$el.checked).toBe(false)
_   }).then(done)
  })
})
_#! /usr/bin/python3
#_-*- coding:_utf-8 -*-
# @Time     : 2019/3/10 5:41 PM
#_@Author   : xiaoliji
# @Email_   :_yutian9527@gmail.com


"""
 __ 数组中的逆序对
 __ >>>_InversePairs([7, 5, 6, 4])
   _5
"""

from collections_import deque


def InversePairs(data: list) -> int:
_   count_=_0

    def merge(left,_right):
     _  nonlocal count
 ___    q_= deque()    _  _     # 双端队