Problem8.py

import time

mySize = input("Enter size of product: ")

strt = time.time()



s1 = map(int,"""
73167176531330624919225119674426574742355349194934
96983520312774506326239578318016984801869478851843
85861560789112949495459501737958331952853208805511
12540698747158523863050715693290963295227443043557
66896648950445244523161731856403098711121722383113
62229893423380308135336276614282806444486645238749
30358907296290491560440772390713810515859307960866
70172427121883998797908792274921901699720888093776
65727333001053367881220235421809751254540594752243
52584907711670556013604839586446706324415722155397
53697817977846174064955149290862569321978468622482
83972241375657056057490261407972968652414535100474
82166370484403199890008895243450658541227588666881
16427171479924442928230863465674813919123162824586
17866458359124566529476545682848912883142607690042
24219022671055626321111109370544217506941658960408
07198403850962455444362981230987879927244284909188
84580156166097919133875499200524063689912560717606
05886116467109405077541002256983155200055935729725
71636269561882670428252483600823257530420752963450
""".replace("\n",""))

i,myIndex, mul, mynb = 0,0,1,int("".join(str(s1[i]) for i in range(mySize)))

def product(x,ind,Size):
	y = 1
	for elem in x[ind:ind+Size]:
		y *= elem
	return y

while i <= 1000 - mySize:
	#print "Product of digits of " + "".join(str(s1[i]) for i in range(i, i+mySize)) + " = " + str(product(s1,i,mySize))
	if 0 in s1[i:i+mySize]:
		i = s1.index(0,i,i+mySize) + 1
		#print "A Zero detected @", i
		#if i+mySize-1 > 999:
		#	print "Result = ",mynb
		#	print "Product = ", product(s1,myIndex,mySize)
		#	print "******END*******"
		#	break
		#else:
		continue
	elif product(s1,myIndex,mySize) < product(s1,i,mySize):
		myIndex = i
		mynb = int("".join(str(s1[j]) for j in range(i,i+mySize)))
		#print "mynb = " , mynb
	i += 1

e = time.time() - strt
print "Result = ",mynb
print "Product = ", product(s1,myIndex,mySize)
print "Solved in: ", e