import sys a1 = int(input()) a3= a1*a1*a1 aaa=[] bbb="" jjj=0 for j in range(0,a1): jj=j*2 jjj+=jj for i in range(1,10000): #绷不住了的枚举法,居然能过 if a1*i+jjj == a3: for j in range(a1): aa=i+j*2 aaa.append(str(aa)) bbb = "+".join(aaa)...