diff --git a/ProjectEuler/008/desc.yml b/ProjectEuler/008/desc.yml new file mode 100644 index 0000000..91cc059 --- /dev/null +++ b/ProjectEuler/008/desc.yml @@ -0,0 +1,16 @@ +title: Discover the largest product of five consecutive digits in the 1000-digit number. +url: http://projecteuler.net/problem=8 + +desc: | + Find the greatest product of five consecutive digits in the 1000-digit number. + +solution: | + Bruteforce (Unless someone found a smarter way) + +solutions: + solve.php: + desc: Expects the haystack as stdin with optional newlines + language: php + solve.rb: + desc: Expects the haystack as stdin with optional newlines + language: ruby \ No newline at end of file diff --git a/ProjectEuler/008/input b/ProjectEuler/008/input new file mode 100644 index 0000000..0dbc41c --- /dev/null +++ b/ProjectEuler/008/input @@ -0,0 +1,20 @@ +73167176531330624919225119674426574742355349194934 +96983520312774506326239578318016984801869478851843 +85861560789112949495459501737958331952853208805511 +12540698747158523863050715693290963295227443043557 +66896648950445244523161731856403098711121722383113 +62229893423380308135336276614282806444486645238749 +30358907296290491560440772390713810515859307960866 +70172427121883998797908792274921901699720888093776 +65727333001053367881220235421809751254540594752243 +52584907711670556013604839586446706324415722155397 +53697817977846174064955149290862569321978468622482 +83972241375657056057490261407972968652414535100474 +82166370484403199890008895243450658541227588666881 +16427171479924442928230863465674813919123162824586 +17866458359124566529476545682848912883142607690042 +24219022671055626321111109370544217506941658960408 +07198403850962455444362981230987879927244284909188 +84580156166097919133875499200524063689912560717606 +05886116467109405077541002256983155200055935729725 +71636269561882670428252483600823257530420752963450 \ No newline at end of file diff --git a/ProjectEuler/008/solve.php b/ProjectEuler/008/solve.php new file mode 100644 index 0000000..723af5b --- /dev/null +++ b/ProjectEuler/008/solve.php @@ -0,0 +1,8 @@ + $max) ? $cmp : $max; +} + +echo $max; \ No newline at end of file diff --git a/ProjectEuler/008/solve.rb b/ProjectEuler/008/solve.rb new file mode 100644 index 0000000..6f2d5a2 --- /dev/null +++ b/ProjectEuler/008/solve.rb @@ -0,0 +1,13 @@ +haystack = '' +ARGF.lines("\n") do |line| + haystack << line.strip +end + +max = 0 +(1..(1000-4)).each do |index| + compare = haystack[index].to_i * haystack[index+1].to_i * haystack[index+2].to_i * haystack[index+3].to_i * haystack[index+4].to_i + if(compare > max) + max = compare + end +end +puts max \ No newline at end of file