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#41324: python


suyueh (suyueh)

a216. 數數愛明明 | From: [125.229.229.84] | 發表日期: 2024-07-17 13:20
while True:
  try:
    n = int(input())
    f = 0
    g = 0  
    for i in range(1,n+1):
      f = f + i      
      g = g + f
    print(f, g)
  except:
    break
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