import math
from EvEuler import irange
factorials = []
for i in range(0,10):
factorials.append(math.factorial(i))
max_factor = 0
max_digits = 1
while len(str(max_digits*math.factorial(9)))>max_digits:
max_digits+=1
max_factor = math.factorial(9)*max_digits
for f in irange(max_factor):
value = 0
for d in str(f):
value += factorials[int(d)]
if value == f:
print f
def IsPandigital(numstring):
for i in irange(1,9):
if numstring.count(str(i))!=1:
return False
return True
from EvEuler import irange
ansnum = []
ansdem = []
for num in irange(10,98):
for den in irange(num+1,99):
#throw out the goofy cases
if num == den:
continue
if num % 10 == 0 or den % 10==0:
continue
n1,n2 = num / 10, num % 10
d1,d2 = den / 10, den % 10
if n1 != n2 and d1 != d2 and (n1 == d2 or n2 == d1):
if float(n1)/float(d2) == float(num)/float(den) or float(n2)/float(d1) == float(num)/float(den):
print "%d/%d"%(num,den)
#1*5?3N
#2*2?5N
#2*3?4Y
#2*4?3N
from EvEuler import irange
pds = []
total = 0
def IsPandigital(numstring):
for i in irange(1,9):
if numstring.count(str(i))!=1:
return False
return True
for a in irange(1,9):
for b in irange(1234,9876):
c = a*b
if len(str(c)) == 4 and IsPandigital(str(a)+str(b)+str(c)):
pds.append(c)
print "%d * %d = %d"%(a,b,c)
for a in irange(12,98):
for b in irange(123,987):
c = a*b
if len(str(c))==4 and IsPandigital(str(a)+str(b)+str(c)):
pds.append(c)
print "%d * %d = %d"%(a,b,c)
pds = set(pds)
for i in pds:
