Problem18.rb

num=
"                            75
                            95 64
                          17 47 82
                        18 35 87 10
                      20 04 82 47 65
                    19 01 23 75 03 34
                  88 02 77 73 07 63 67
                99 65 04 28 06 16 70 92
              41 41 26 56 83 40 80 70 33
            41 48 72 33 47 32 37 16 94 29
          53 71 44 65 25 43 91 52 97 51 14
        70 11 33 28 77 73 17 78 39 68 17 57
      91 71 52 38 17 14 91 43 58 50 27 29 48
    63 66 04 68 89 53 67 30 73 16 69 87 40 31
  04 62 98 27 23 09 70 98 73 93 38 53 60 04 23"
  
  
  
  numstr = num.to_s
  
  numba = numstr.split
  
  count = 0
  movenum = 0
  greatSum = 0
  
  while movenum < numba.length
    sum = numba[movenum].to_i
    1.upto(15) do |i| 
      sum += problnumba[movenum+i].to_i or numba[movenum+i+1].to_i
    end
    greatSum = sum if sum > greatSum