projecteuler---->problem=8----Largest product in a series

时间:2023-12-20 17:11:02

title:

The four adjacent digits in the 1000-digit number that have the greatest product are 9
projecteuler---->problem=8----Largest product in a series 9
projecteuler---->problem=8----Largest product in a series 8
projecteuler---->problem=8----Largest product in a series 9 = 5832.

73167176531330624919225119674426574742355349194934

96983520312774506326239578318016984801869478851843

85861560789112949495459501737958331952853208805511

12540698747158523863050715693290963295227443043557

66896648950445244523161731856403098711121722383113

62229893423380308135336276614282806444486645238749

30358907296290491560440772390713810515859307960866

70172427121883998797908792274921901699720888093776

65727333001053367881220235421809751254540594752243

52584907711670556013604839586446706324415722155397

53697817977846174064955149290862569321978468622482

83972241375657056057490261407972968652414535100474

82166370484403199890008895243450658541227588666881

16427171479924442928230863465674813919123162824586

17866458359124566529476545682848912883142607690042

24219022671055626321111109370544217506941658960408

07198403850962455444362981230987879927244284909188

84580156166097919133875499200524063689912560717606

05886116467109405077541002256983155200055935729725

71636269561882670428252483600823257530420752963450

Find the thirteen adjacent digits in the 1000-digit number that have the greatest product. What is the value of this product?

翻译:

求出连续的13位数的积,使其最大

a="73167176531330624919225119674426574742355349194934"
a1="96983520312774506326239578318016984801869478851843"
a2="85861560789112949495459501737958331952853208805511"
a3="12540698747158523863050715693290963295227443043557"
a4="66896648950445244523161731856403098711121722383113"
a5="62229893423380308135336276614282806444486645238749"
a6="30358907296290491560440772390713810515859307960866"
a7="70172427121883998797908792274921901699720888093776"
a8="65727333001053367881220235421809751254540594752243"
a9="52584907711670556013604839586446706324415722155397"
a10="53697817977846174064955149290862569321978468622482"
a11="83972241375657056057490261407972968652414535100474"
a12="82166370484403199890008895243450658541227588666881"
a13="16427171479924442928230863465674813919123162824586"
a14="17866458359124566529476545682848912883142607690042"
a15="24219022671055626321111109370544217506941658960408"
a16="07198403850962455444362981230987879927244284909188"
a17="84580156166097919133875499200524063689912560717606"
a18="05886116467109405077541002256983155200055935729725"
a19="71636269561882670428252483600823257530420752963450"
a=a+a1+a2+a3+a4+a5+a6+a7+a8+a9+a10+a11+a12+a13+a14+a15+a16+a17+a18+a19
resu=0
for i in range(0,987):
s=1
for j in range(13):
s*=int(a[i+j])
if s > resu:
resu = s
print resu