2019 Day 5 Complete
* Also: Move helpers to their own submodule, for importing
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2019/day05/input
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1
2019/day05/input
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@ -0,0 +1 @@
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3,225,1,225,6,6,1100,1,238,225,104,0,1102,91,92,225,1102,85,13,225,1,47,17,224,101,-176,224,224,4,224,1002,223,8,223,1001,224,7,224,1,223,224,223,1102,79,43,225,1102,91,79,225,1101,94,61,225,1002,99,42,224,1001,224,-1890,224,4,224,1002,223,8,223,1001,224,6,224,1,224,223,223,102,77,52,224,1001,224,-4697,224,4,224,102,8,223,223,1001,224,7,224,1,224,223,223,1101,45,47,225,1001,43,93,224,1001,224,-172,224,4,224,102,8,223,223,1001,224,1,224,1,224,223,223,1102,53,88,225,1101,64,75,225,2,14,129,224,101,-5888,224,224,4,224,102,8,223,223,101,6,224,224,1,223,224,223,101,60,126,224,101,-148,224,224,4,224,1002,223,8,223,1001,224,2,224,1,224,223,223,1102,82,56,224,1001,224,-4592,224,4,224,1002,223,8,223,101,4,224,224,1,224,223,223,1101,22,82,224,1001,224,-104,224,4,224,1002,223,8,223,101,4,224,224,1,223,224,223,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,8,226,677,224,102,2,223,223,1005,224,329,1001,223,1,223,1007,226,226,224,1002,223,2,223,1006,224,344,101,1,223,223,108,226,226,224,1002,223,2,223,1006,224,359,1001,223,1,223,107,226,677,224,102,2,223,223,1006,224,374,101,1,223,223,8,677,677,224,102,2,223,223,1006,224,389,1001,223,1,223,1008,226,677,224,1002,223,2,223,1006,224,404,101,1,223,223,7,677,677,224,1002,223,2,223,1005,224,419,101,1,223,223,1108,226,677,224,1002,223,2,223,1005,224,434,101,1,223,223,1108,226,226,224,102,2,223,223,1005,224,449,1001,223,1,223,107,226,226,224,102,2,223,223,1005,224,464,101,1,223,223,1007,677,677,224,102,2,223,223,1006,224,479,101,1,223,223,1007,226,677,224,102,2,223,223,1005,224,494,1001,223,1,223,1008,226,226,224,1002,223,2,223,1005,224,509,1001,223,1,223,1108,677,226,224,1002,223,2,223,1006,224,524,1001,223,1,223,108,677,677,224,1002,223,2,223,1005,224,539,101,1,223,223,108,226,677,224,1002,223,2,223,1005,224,554,101,1,223,223,1008,677,677,224,1002,223,2,223,1006,224,569,1001,223,1,223,1107,677,677,224,102,2,223,223,1005,224,584,1001,223,1,223,7,677,226,224,102,2,223,223,1005,224,599,1001,223,1,223,8,677,226,224,1002,223,2,223,1005,224,614,1001,223,1,223,7,226,677,224,1002,223,2,223,1006,224,629,101,1,223,223,1107,677,226,224,1002,223,2,223,1005,224,644,1001,223,1,223,1107,226,677,224,102,2,223,223,1006,224,659,1001,223,1,223,107,677,677,224,1002,223,2,223,1005,224,674,101,1,223,223,4,223,99,226
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38
2019/day05/main.go
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38
2019/day05/main.go
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package main
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import (
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"fmt"
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"os"
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"strings"
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"time"
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intcode "git.bullercodeworks.com/brian/adventofcode/2019/intcode-processor"
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helpers "git.bullercodeworks.com/brian/adventofcode/helpers"
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)
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func main() {
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inp := helpers.StdinToString()
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var prog []int
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for _, v := range strings.Split(inp, ",") {
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prog = append(prog, helpers.Atoi(v))
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}
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p := intcode.NewProgram(prog)
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go p.Run()
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// Part 1:
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// p.Input() <- 1
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// Part 2:
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p.Input() <- 5
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go func() {
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for {
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out := <-p.Output()
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fmt.Println(out)
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if p.State() != intcode.RET_OK {
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os.Exit(0)
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}
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time.Sleep(50)
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}
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}()
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for {
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time.Sleep(time.Second)
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}
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}
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@ -3,11 +3,23 @@ package intcodeprocessor
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import (
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"errors"
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"fmt"
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"math"
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)
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const (
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MODE_POS = iota
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MODE_IMM
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)
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const (
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OP_ADD = 1
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OP_MLT = 2
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OP_INP = 3
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OP_OUT = 4
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OP_JIT = 5
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OP_JIF = 6
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OP_ILT = 7
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OP_IEQ = 8
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OP_EXT = 99
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)
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@ -23,11 +35,16 @@ type Program struct {
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state int
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error error
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input chan int
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output chan int
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}
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func NewProgram(prog []int) *Program {
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p := new(Program)
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p.code = make([]int, len(prog))
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p.input = make(chan int, 2)
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p.output = make(chan int, 2)
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copy(p.code, prog)
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return p
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}
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@ -58,19 +75,74 @@ func (p *Program) Step() int {
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p.error = errors.New("Pointer Exception")
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return RET_ERR
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}
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switch p.readNext() {
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intcode := p.readNext()
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p.ptr++
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switch p.opCode(intcode) {
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case OP_ADD:
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p.add(p.readNextThree())
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v1, v2, v3 := p.readNextThree()
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p.ptr = p.ptr + 3
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p.opAdd(intcode, v1, v2, v3)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_MLT:
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p.mult(p.readNextThree())
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v1, v2, v3 := p.readNextThree()
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p.ptr = p.ptr + 3
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p.opMult(intcode, v1, v2, v3)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_INP:
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v1 := p.readNext()
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p.ptr++
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p.opInp(intcode, v1)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_OUT:
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v1 := p.readNext()
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p.ptr++
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p.opOut(intcode, v1)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_JIT:
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v1, v2 := p.readNextTwo()
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p.ptr = p.ptr + 2
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p.opJumpIfTrue(intcode, v1, v2)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_JIF:
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v1, v2 := p.readNextTwo()
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p.ptr = p.ptr + 2
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p.opJumpIfFalse(intcode, v1, v2)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_ILT:
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v1, v2, dest := p.readNextThree()
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p.ptr = p.ptr + 3
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p.opIfLessThan(intcode, v1, v2, dest)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_IEQ:
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v1, v2, dest := p.readNextThree()
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p.ptr = p.ptr + 3
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p.opIfEqual(intcode, v1, v2, dest)
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if p.error != nil {
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return RET_ERR
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}
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return RET_OK
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case OP_EXT:
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return RET_DONE
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}
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@ -85,28 +157,116 @@ func (p *Program) SetProgramValueAt(idx, val int) {
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p.code[idx] = val
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}
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func (p *Program) opCode(intcode int) int {
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return intcode % 100
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}
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func (p *Program) paramMode(intcode, pNum int) int {
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plc := math.Pow10(pNum + 2)
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return ((intcode - p.opCode(intcode)) / int(plc)) % 10
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}
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func (p *Program) readNext() int {
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if len(p.code) <= p.ptr {
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p.error = errors.New("Pointer Exception")
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}
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p.ptr++
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return p.code[p.ptr-1]
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return p.code[p.ptr]
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}
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func (p *Program) readNextTwo() (int, int) {
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return p.readNext(), p.readNext()
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return p.code[p.ptr], p.code[p.ptr+1]
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}
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func (p *Program) readNextThree() (int, int, int) {
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return p.readNext(), p.readNext(), p.readNext()
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return p.code[p.ptr], p.code[p.ptr+1], p.code[p.ptr+2]
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}
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func (p *Program) add(a1, a2, dest int) {
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p.code[dest] = p.code[a1] + p.code[a2]
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func (p *Program) get(mode, v int) int {
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if mode == MODE_POS {
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return p.code[v]
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}
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return v
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}
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func (p *Program) mult(a1, a2, dest int) {
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p.code[dest] = p.code[a1] * p.code[a2]
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func (p *Program) Input() chan int {
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return p.input
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}
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func (p *Program) Output() chan int {
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return p.output
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}
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func (p *Program) opAdd(intcode, a1, a2, dest int) {
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a1md, a2md, destmd := p.paramMode(intcode, 0), p.paramMode(intcode, 1), p.paramMode(intcode, 2)
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if destmd != MODE_POS {
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p.error = errors.New("Invalid Destination Mode")
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p.state = RET_ERR
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}
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p.code[dest] = p.get(a1md, a1) + p.get(a2md, a2)
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}
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func (p *Program) opMult(intcode, a1, a2, dest int) {
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a1md, a2md, destmd := p.paramMode(intcode, 0), p.paramMode(intcode, 1), p.paramMode(intcode, 2)
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if destmd != MODE_POS {
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p.error = errors.New("Invalid Destination Mode")
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p.state = RET_ERR
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}
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p.code[dest] = p.get(a1md, a1) * p.get(a2md, a2)
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}
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func (p *Program) opInp(intcode, dest int) {
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destmd := p.paramMode(intcode, 0)
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if destmd != MODE_POS {
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p.error = errors.New("Invalid Destination Mode")
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p.state = RET_ERR
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}
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p.code[dest] = <-p.input
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}
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func (p *Program) opOut(intcode, val int) {
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valmd := p.paramMode(intcode, 0)
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ret := p.get(valmd, val)
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p.output <- ret
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}
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func (p *Program) opJumpIfTrue(intcode, v1, v2 int) {
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v1md, v2md := p.paramMode(intcode, 0), p.paramMode(intcode, 1)
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if p.get(v1md, v1) != 0 {
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p.ptr = p.get(v2md, v2)
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}
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}
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func (p *Program) opJumpIfFalse(intcode, v1, v2 int) {
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v1md, v2md := p.paramMode(intcode, 0), p.paramMode(intcode, 1)
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if p.get(v1md, v1) == 0 {
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p.ptr = p.get(v2md, v2)
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}
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}
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func (p *Program) opIfLessThan(intcode, v1, v2, dest int) {
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v1md, v2md, destmd := p.paramMode(intcode, 0), p.paramMode(intcode, 1), p.paramMode(intcode, 2)
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if destmd != MODE_POS {
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p.error = errors.New("Invalid Destination Mode")
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p.state = RET_ERR
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}
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if p.get(v1md, v1) < p.get(v2md, v2) {
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p.code[dest] = 1
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} else {
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p.code[dest] = 0
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}
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}
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func (p *Program) opIfEqual(intcode, v1, v2, dest int) {
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v1md, v2md, destmd := p.paramMode(intcode, 0), p.paramMode(intcode, 1), p.paramMode(intcode, 2)
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if destmd != MODE_POS {
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p.error = errors.New("Invalid Destination Mode")
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p.state = RET_ERR
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}
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if p.get(v1md, v1) == p.get(v2md, v2) {
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p.code[dest] = 1
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} else {
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p.code[dest] = 0
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}
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}
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func (p Program) String() string {
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@ -106,7 +106,7 @@ func PrintProgress(curr, total int) {
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pct := int(float64(curr)/float64(total)) * 100
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for i := 0; i < 100; i += 10 {
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if pct > i {
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fmt.Print(FillChar)
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fmt.Print(FILL_CHAR)
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}
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}
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}
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