#!/usr/bin/python
from tools import isPandigital
import time
start = time.time()
result = set()
for i in xrange(2, 100):
if i > 9:
start = 123
else:
start = 1234
for j in xrange(start, 10001 / i):
num = int(str(i) + str(j) + str(i * j))
# Check string for digits 1-9
if isPandigital(num, 9):
result.add(i * j)
print sum(result)
end = time.time()
print 'Elapsed time:', end - start
#!/usr/bin/python
from primes_sieve import primes
from tools import isPandigital
# Tried with 987654321 but was too big.
# Went down until 7654321 and got the answer.
primes = primes(7652413)
for prime in primes[::-1]:
if isPandigital(prime, 7):
print prime
break
#!/usr/bin/python
from tools import isPandigital
import time
start = time.time()
result = set()
for i in xrange(2,100):
if i > 9:
start = 123
else:
start = 1234
for j in xrange(start,10001/i):
num = int(str(i)+str(j)+str(i*j))
# Check string for digits 1-9
if isPandigital(num, 9):
result.add(i*j)
print sum(result)
end = time.time()
print 'Elapsed time:',end-start