69 lines
2.9 KiB
Python
69 lines
2.9 KiB
Python
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######################################################################
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# The four adjacent digits in the 1000-digit number that have the greatest product are 9 × 9 × 8 × 9 = 5832.
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#
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# 73167176531330624919225119674426574742355349194934
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# 96983520312774506326239578318016984801869478851843
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# 85861560789112949495459501737958331952853208805511
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# 12540698747158523863050715693290963295227443043557
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# 66896648950445244523161731856403098711121722383113
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# 62229893423380308135336276614282806444486645238749
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# 30358907296290491560440772390713810515859307960866
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# 70172427121883998797908792274921901699720888093776
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# 65727333001053367881220235421809751254540594752243
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# 52584907711670556013604839586446706324415722155397
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# 53697817977846174064955149290862569321978468622482
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# 83972241375657056057490261407972968652414535100474
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# 82166370484403199890008895243450658541227588666881
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# 16427171479924442928230863465674813919123162824586
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# 17866458359124566529476545682848912883142607690042
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# 24219022671055626321111109370544217506941658960408
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# 07198403850962455444362981230987879927244284909188
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# 84580156166097919133875499200524063689912560717606
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# 05886116467109405077541002256983155200055935729725
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# 71636269561882670428252483600823257530420752963450
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#
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# Find the thirteen adjacent digits in the 1000-digit number that have the greatest product.
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# What is the value of this product?
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#
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######################################################################
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number = "73167176531330624919225119674426574742355349194934\
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96983520312774506326239578318016984801869478851843\
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85861560789112949495459501737958331952853208805511\
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12540698747158523863050715693290963295227443043557\
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66896648950445244523161731856403098711121722383113\
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62229893423380308135336276614282806444486645238749\
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30358907296290491560440772390713810515859307960866\
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70172427121883998797908792274921901699720888093776\
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65727333001053367881220235421809751254540594752243\
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52584907711670556013604839586446706324415722155397\
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53697817977846174064955149290862569321978468622482\
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83972241375657056057490261407972968652414535100474\
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82166370484403199890008895243450658541227588666881\
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16427171479924442928230863465674813919123162824586\
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17866458359124566529476545682848912883142607690042\
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24219022671055626321111109370544217506941658960408\
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07198403850962455444362981230987879927244284909188\
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84580156166097919133875499200524063689912560717606\
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05886116467109405077541002256983155200055935729725\
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71636269561882670428252483600823257530420752963450"
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largestNumber = []
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currentNumber = ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0']
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largestProduct = 0
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for c in number:
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currentNumber.append(c)
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currentNumber.pop(0)
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product = 1
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for d in currentNumber:
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product *= int(d)
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if product > largestProduct:
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largestNumber = currentNumber.copy()
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largestProduct = product
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print(largestProduct)
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# Solution: 23514624000
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