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b=[];c=[];a+=[9e9]b=[];c=[];a+=9e9, for i in a[:-1]: b=[a.pop(0)]+b if b[0]<a[0]:c+=b;b=[]
Input in a, output in c
a
c
b=[];c=[];a+=[9e9] for i in a[:-1]: b=[a.pop(0)]+b if b[0]<a[0]:c+=b;b=[]
b=[];c=[];a+=9e9, for i in a[:-1]: b=[a.pop(0)]+b if b[0]<a[0]:c+=b;b=[]
