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34 lines
595 B
34 lines
595 B
#!/usr/bin/env julia
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infile = size(ARGS, 1) > 0 ? ARGS[1] : "day2input.txt"
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println("infile = ", infile)
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a_move_value = Dict("A"=>1, "B"=>2, "C"=>3)
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function score(opponent, self)
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oval = a_move_value[opponent]
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if self == "X"
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# need to lose
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sval = 1 + mod(oval - 2, 3)
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return sval
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elseif self == "Y"
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# need to tie
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sval = oval
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return 3 + sval
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else
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# need to win
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sval = 1 + mod(oval, 3)
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return 6 + sval
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end
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end
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io = open(infile, "r")
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total = 0
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for line in eachline(io)
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global total
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o, s = split(line)
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total += score(o, s)
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end
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println(total)
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