#!/usr/bin/python
def get_flower(n, ofile):
D_pow=[pow(i,n) for i in range(0,10)]
V_min=1*pow(10,n-1)
V_max=sum((9*pow(10,x) for x in range(0,n)))
T_count=0
print D_pow, V_max, V_min
nums=[1]+[0]*(n-1)
print 'Start:', nums
idx=n-1
tmp_l=[0]*10
while True:
nums[idx]+=1
if nums[idx]<10:
j=idx+1
while j<n:
nums[j]=nums[idx] # reset
j+=1
v=sum((D_pow[x] for x in nums))
if v<=V_max and v>=V_min:
T_count+=1
#test if is flower
#print 'do test:', ''.join(map(str,nums))
k=0
while k<10:
tmp_l[k]=0
k+=1
N=0
for k in nums:
tmp_l[k]+=1
N+=1
while N>0:
p=v%10
if tmp_l[p]>0:
tmp_l[p]-=1
N-=1
else:
break
v/=10
if N==0:
print >>ofile, 'hit', sum((D_pow[x] for x in nums))
idx=n-1
elif idx==0:
print 'done'
break
else:
idx-=1
print 't_count', T_count
if __name__ == '__main__':
with file('./f.txt', 'wb') as o:
get_flower(21, o)
#get_flower(3, o)
#//python/7281