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箱とボール Python3編

Last updated at Posted at 2021-12-16

tower = [] #解答用のリスト
que = [] #初期のリスト
a = 0 #towerからpop()した変数
b = 0 #queからpop(0)した変数

N = int(input())
que = list(map(int,input().split()))

b = que.pop(0)
tower.append(b)

while que != []:
    b = que.pop(0)
    a = tower.pop()
    
    while a == b:
        b += a
        a = 0
  
        if tower != []:
            a = tower.pop()
            
            
        else:
            
            flg = 1
            break
    
    
    if flg == 1:
        tower.append(b)
    else:    
        tower.append(a)
        tower.append(b)
    
    flg = 0
    

for i in tower[::-1]:
    print(i)

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