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#39808: __dp


boddy9703@gmail.com (鄭宇翔)

a216. 數數愛明明 | From: [36.229.48.206] | 發表日期: 2024-04-01 22:02
f=[0]*30000
g=[0]*30000
f[0]=1
g[0]=1
for i in range(29999):
  f[i+1]=i+2+f[i]
  g[i+1]=f[i+1]+g[i]
while(1):
  try:
    x=int(input())
    print(f"{f[x-1]} {g[x-1]}")  
  except EOFError:
    break
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