Paiza POH 8 恋するハッカソン〜君色に染まるアイドル〜「水着」ゲットチャレンジ！ https://paiza.jp/poh/hatsukoi/challenge/hatsukoi_special2

hatsukoi_special2.py

def needPanels(motoStr, atoStr):
  panelDict = {}
  motoList = list(motoStr)
  for panel in motoList:
    if panel in panelDict.keys():
      panelDict[panel] += 1
    else:
      panelDict[panel] = 1
  needCount = 0
  atoList = list(atoStr)
  for panel in atoList:
    if panel in panelDict.keys():
      if panelDict[panel] == 0:
        needCount += 1
      else:
        panelDict[panel] -= 1
    else:
      needCount += 1
  return needCount