benchmark_functions

-------------------------------------------------------------------------------------------
    PE_022.jl
-------------------------------------------------------------------------------------------

ALPHABET_INDEX = Dict( letter => index for (index, letter) in enumerate('A':'Z'))


function namescore(name)
    return sum(ALPHABET_INDEX[letter] for letter in name[2:end-1])
end


function sort_file(filename)
    file = open(filename)
    sort(split(readstring(filename),","))
end


function PE_022(filename="../p022_names.txt")

    total = 0
    for (index, name) in enumerate(sort_file(filename))
        total += index*namescore(name)
    end
    total
end

println(PE_022())

-------------------------------------------------------------------------------------------
    PE_022_alt_1.jl
-------------------------------------------------------------------------------------------

OFFSET = Int('A') - 1

function namescore(name)
    return sum(Int(letter)-OFFSET for letter in name)
end

function sort_file(filename)
    file = open(filename)
    sort(split(readstring(filename),","))
end


function PE_022_alt_1(filename="../p022_names.txt")
    total = 0
    for (index, name) in enumerate(sort_file(filename))
        total += index*namescore(name[2:end-1])
    end
    total
end

println(PE_022_alt_1())

-------------------------------------------------------------------------------------------
    PE_022_alt_2.jl
-------------------------------------------------------------------------------------------

OFFSET = Int('A') - 1

function namescore(name)
    return sum(Int(letter) for letter in name) - (length(name)) * OFFSET
end

function sort_file(filename)
    file = open(filename)
    sort(split(readstring(filename),","))
end


function PE_022_alt_2(filename="../p022_names.txt")
    total = 0
    for (index, name) in enumerate(sort_file(filename))
        total += index*namescore(name[2:end-1])
    end
    total
end

println(PE_022_alt_2())