diff options
Diffstat (limited to 'day10')
| -rw-r--r-- | day10/input | 139 | ||||
| -rw-r--r-- | day10/part1.rb | 51 | ||||
| -rw-r--r-- | day10/part2.rb | 50 | ||||
| -rw-r--r-- | day10/test | 3 | ||||
| -rw-r--r-- | day10/test2 | 146 |
5 files changed, 389 insertions, 0 deletions
diff --git a/day10/input b/day10/input new file mode 100644 index 0000000..57f49a0 --- /dev/null +++ b/day10/input @@ -0,0 +1,139 @@ +noop +noop +noop +addx 6 +addx -1 +noop +addx 5 +noop +noop +addx -12 +addx 19 +addx -1 +noop +addx 4 +addx -11 +addx 16 +noop +noop +addx 5 +addx 3 +addx -2 +addx 4 +noop +noop +noop +addx -37 +noop +addx 3 +addx 2 +addx 5 +addx 2 +addx 10 +addx -9 +noop +addx 1 +addx 4 +addx 2 +noop +addx 3 +addx 2 +addx 5 +addx 2 +addx 3 +addx -2 +addx 2 +addx 5 +addx -40 +addx 25 +addx -22 +addx 2 +addx 5 +addx 2 +addx 3 +addx -2 +noop +addx 23 +addx -18 +addx 2 +noop +noop +addx 7 +noop +noop +addx 5 +noop +noop +noop +addx 1 +addx 2 +addx 5 +addx -40 +addx 3 +addx 8 +addx -4 +addx 1 +addx 4 +noop +noop +noop +addx -8 +noop +addx 16 +addx 2 +addx 4 +addx 1 +noop +addx -17 +addx 18 +addx 2 +addx 5 +addx 2 +addx 1 +addx -11 +addx -27 +addx 17 +addx -10 +addx 3 +addx -2 +addx 2 +addx 7 +noop +addx -2 +noop +addx 3 +addx 2 +noop +addx 3 +addx 2 +noop +addx 3 +addx 2 +addx 5 +addx 2 +addx -5 +addx -2 +addx -30 +addx 14 +addx -7 +addx 22 +addx -21 +addx 2 +addx 6 +addx 2 +addx -1 +noop +addx 8 +addx -3 +noop +addx 5 +addx 1 +addx 4 +noop +addx 3 +addx -2 +addx 2 +addx -11 +noop +noop +noop diff --git a/day10/part1.rb b/day10/part1.rb new file mode 100644 index 0000000..dfad57e --- /dev/null +++ b/day10/part1.rb @@ -0,0 +1,51 @@ +class CPU + def initialize + @x = 1 + @cycle = 1 + @iq = [] + end + + attr_reader :x, :cycle + + def enq(op, arg = 0) + @iq << [ + arg, + case op + when 'noop'; 1 + when 'addx'; 2 + end + ] + end + + def done? + @iq.empty? + end + + def clock + istr = @iq[0] + istr[1] -= 1 + if istr[1] == 0 + @x += istr[0] + @iq.shift + end + @cycle += 1 + end +end + +cpu = CPU.new + +istrs = $stdin.readlines.map(&:strip).map(&:split) +istrs.each do |istr| + cpu.enq(istr[0], istr[1]&.to_i || 0) +end + +strsum = 0 +until cpu.done? + c = cpu.cycle + x = cpu.x + + strsum += (c * x) if (c - 20) % 40 == 0 + cpu.clock +end + +puts strsum diff --git a/day10/part2.rb b/day10/part2.rb new file mode 100644 index 0000000..461f275 --- /dev/null +++ b/day10/part2.rb @@ -0,0 +1,50 @@ +class CPU + def initialize + @x = 1 + @cycle = 1 + @iq = [] + end + + attr_reader :x, :cycle + + def enq(op, arg = 0) + @iq << [ + arg, + case op + when 'noop'; 1 + when 'addx'; 2 + end + ] + end + + def done? + @iq.empty? + end + + def clock + istr = @iq[0] + istr[1] -= 1 + if istr[1] == 0 + @x += istr[0] + @iq.shift + end + @cycle += 1 + end +end + +cpu = CPU.new + +istrs = $stdin.readlines.map(&:strip).map(&:split) +istrs.each do |istr| + cpu.enq(istr[0], istr[1]&.to_i || 0) +end + +until cpu.cycle == 241 + hp = (cpu.cycle - 1) % 40 + px = (hp - cpu.x).abs < 2 + + print px ? ?█ : ?\s + puts if hp == 39 + + cpu.clock +end diff --git a/day10/test b/day10/test new file mode 100644 index 0000000..f428b7b --- /dev/null +++ b/day10/test @@ -0,0 +1,3 @@ +noop +addx 3 +addx -5 diff --git a/day10/test2 b/day10/test2 new file mode 100644 index 0000000..37ee8ee --- /dev/null +++ b/day10/test2 @@ -0,0 +1,146 @@ +addx 15 +addx -11 +addx 6 +addx -3 +addx 5 +addx -1 +addx -8 +addx 13 +addx 4 +noop +addx -1 +addx 5 +addx -1 +addx 5 +addx -1 +addx 5 +addx -1 +addx 5 +addx -1 +addx -35 +addx 1 +addx 24 +addx -19 +addx 1 +addx 16 +addx -11 +noop +noop +addx 21 +addx -15 +noop +noop +addx -3 +addx 9 +addx 1 +addx -3 +addx 8 +addx 1 +addx 5 +noop +noop +noop +noop +noop +addx -36 +noop +addx 1 +addx 7 +noop +noop +noop +addx 2 +addx 6 +noop +noop +noop +noop +noop +addx 1 +noop +noop +addx 7 +addx 1 +noop +addx -13 +addx 13 +addx 7 +noop +addx 1 +addx -33 +noop +noop +noop +addx 2 +noop +noop +noop +addx 8 +noop +addx -1 +addx 2 +addx 1 +noop +addx 17 +addx -9 +addx 1 +addx 1 +addx -3 +addx 11 +noop +noop +addx 1 +noop +addx 1 +noop +noop +addx -13 +addx -19 +addx 1 +addx 3 +addx 26 +addx -30 +addx 12 +addx -1 +addx 3 +addx 1 +noop +noop +noop +addx -9 +addx 18 +addx 1 +addx 2 +noop +noop +addx 9 +noop +noop +noop +addx -1 +addx 2 +addx -37 +addx 1 +addx 3 +noop +addx 15 +addx -21 +addx 22 +addx -6 +addx 1 +noop +addx 2 +addx 1 +noop +addx -10 +noop +noop +addx 20 +addx 1 +addx 2 +addx 2 +addx -6 +addx -11 +noop +noop +noop |