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NumberOfWaysToReachScore
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| def numOfWaysToTgt(target,allowedUnits) | |
| scores = Array.new(target+1,0) | |
| scores[0] = 1 | |
| allowedUnits.each do |allowedScore| | |
| (allowedScore..target).each do |k| | |
| scores[k] += scores[k-allowedScore] | |
| end | |
| end | |
| puts "#{target} can be reached in #{scores[target]} ways" | |
| end | |
| numOfWaysToTgt(20,[3,5,10]) | |
| numOfWaysToTgt(13,[3,5,10]) |
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