Project Eueler: problem13
問題
Work out the first ten digits of the sum of the following one-hundred 50-digit numbers.
37107287533902102798797998220837590246510135740250
46376937677490009712648124896970078050417018260538
.....
回答
ar = [] DATA.each do |line| ar << line.chomp!.to_i end p ar.inject(0){|sum,i| sum + i}.to_s[0,10] __END__ 37107287533902102798797998220837590246510135740250 46376937677490009712648124896970078050417018260538 .....