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219 lines
12 KiB
Go
219 lines
12 KiB
Go
package main
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import "fmt"
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func returnCodes(number int) (int, int, int, int) {
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return number % 100, (number % 1000) / 100, (number % 10000) / 1000, (number % 100000) / 10000
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}
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func getValue(puzzleInput []int, positionOrImmediateCode int, nextOrTwoPastValue int) int {
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// read if the param is for position or immediate mode and return the value (to be added or multiplied)
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if positionOrImmediateCode == 0 {
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// 0 is position mode
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return puzzleInput[nextOrTwoPastValue]
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}
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// otherwise it's immediate mode (no-else-return)
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return nextOrTwoPastValue
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}
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func runDiagnostics(puzzleInput []int, inputValue int) string {
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// fmt.Println(puzzleInput)
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for i := 0; i < len(puzzleInput); {
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// find op code (last 2 digits of number), a 1, 2, 3, 4, or 99
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// find param1 and param2 which are the 100's and 1000's digit in the i-th element
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opCode, param1, param2, _ := returnCodes(puzzleInput[i])
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var firstVal, secondVal, thirdVal int
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// set value variables based on what the opCodes are (some of them will throw errors if I attempt to set them...)
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if opCode == 1 || opCode == 2 || opCode == 7 || opCode == 8 {
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firstVal, secondVal = getValue(puzzleInput, param1, puzzleInput[i+1]), getValue(puzzleInput, param2, puzzleInput[i+2])
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thirdVal = puzzleInput[i+3]
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} else if opCode == 3 || opCode == 4 {
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firstVal = puzzleInput[i+1]
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} else if opCode == 5 || opCode == 6 {
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firstVal, secondVal = getValue(puzzleInput, param1, puzzleInput[i+1]), getValue(puzzleInput, param2, puzzleInput[i+2])
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}
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// switch statement to handle the opcode value
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switch opCode {
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case 99:
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// fmt.Println("99 halted at index: ", i)
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return "halted"
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case 1:
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// add and place (by position)
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// firstToAdd, secondToAdd := getValue(puzzleInput, param1, puzzleInput[i+1]), getValue(puzzleInput, param2, puzzleInput[i+2])
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puzzleInput[thirdVal] = firstVal + secondVal
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i += 4
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case 2:
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// multiply and place (by position)
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puzzleInput[thirdVal] = firstVal * secondVal
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i += 4
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case 3:
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// write inputValue to puzzle input by position
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puzzleInput[firstVal] = inputValue
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i += 2
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case 4:
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// output the value to the console, always by position
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fmt.Println("output: ", puzzleInput[firstVal])
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i += 2
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case 5:
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// jump-if-true
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// if first param is != 0 set instruction pointer to value from second parameter
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if firstVal != 0 {
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// fmt.Println("5 moves i to", secondVal)
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i = secondVal
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} else {
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// otherwise do nothing except increment i
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// increment by 3 (like opCode 6)
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i += 3
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}
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case 6:
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// jump-if-false
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// if first param is != 0 set instruction pointer to value from second parameter
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if firstVal == 0 {
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i = secondVal
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} else {
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// otherwise increment i to the next instruction
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// this instruction has 3 values, so i increments by 3
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i += 3
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}
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case 7:
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// less than - if firstVal < secondVal, store a 1 @ position of thirdVal, otherwise store a 0
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if firstVal < secondVal {
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puzzleInput[thirdVal] = 1
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} else {
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puzzleInput[thirdVal] = 0
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}
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i += 4
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case 8:
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// equals, same as opCode 7 but conditional is firstVal is equal to secondVal
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if firstVal == secondVal {
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puzzleInput[thirdVal] = 1
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} else {
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puzzleInput[thirdVal] = 0
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}
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i += 4
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default:
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fmt.Println("bad opCode!!!")
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return "badCode"
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}
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}
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return "EOF"
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}
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func main() {
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// default input slice, index 1 and 2 will be replaced
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puzzleInput := []int{3, 225, 1, 225, 6, 6, 1100, 1, 238, 225, 104, 0, 1, 192, 154, 224, 101, -161, 224, 224, 4, 224, 102, 8, 223, 223, 101, 5, 224, 224, 1, 223, 224, 223, 1001, 157, 48, 224, 1001, 224, -61, 224, 4, 224, 102, 8, 223, 223, 101, 2, 224, 224, 1, 223, 224, 223, 1102, 15, 28, 225, 1002, 162, 75, 224, 1001, 224, -600, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 1, 224, 1, 224, 223, 223, 102, 32, 57, 224, 1001, 224, -480, 224, 4, 224, 102, 8, 223, 223, 101, 1, 224, 224, 1, 224, 223, 223, 1101, 6, 23, 225, 1102, 15, 70, 224, 1001, 224, -1050, 224, 4, 224, 1002, 223, 8, 223, 101, 5, 224, 224, 1, 224, 223, 223, 101, 53, 196, 224, 1001, 224, -63, 224, 4, 224, 102, 8, 223, 223, 1001, 224, 3, 224, 1, 224, 223, 223, 1101, 64, 94, 225, 1102, 13, 23, 225, 1101, 41, 8, 225, 2, 105, 187, 224, 1001, 224, -60, 224, 4, 224, 1002, 223, 8, 223, 101, 6, 224, 224, 1, 224, 223, 223, 1101, 10, 23, 225, 1101, 16, 67, 225, 1101, 58, 10, 225, 1101, 25, 34, 224, 1001, 224, -59, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 3, 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, 1108, 226, 226, 224, 102, 2, 223, 223, 1005, 224, 329, 101, 1, 223, 223, 107, 226, 226, 224, 1002, 223, 2, 223, 1005, 224, 344, 1001, 223, 1, 223, 107, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 359, 101, 1, 223, 223, 7, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 374, 101, 1, 223, 223, 108, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 389, 101, 1, 223, 223, 1007, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 404, 101, 1, 223, 223, 7, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 419, 101, 1, 223, 223, 1107, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 434, 1001, 223, 1, 223, 1108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 449, 101, 1, 223, 223, 108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 464, 1001, 223, 1, 223, 8, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 479, 1001, 223, 1, 223, 1007, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 494, 101, 1, 223, 223, 1008, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 509, 101, 1, 223, 223, 1107, 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, 1001, 223, 1, 223, 1107, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 554, 1001, 223, 1, 223, 7, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 569, 1001, 223, 1, 223, 8, 677, 226, 224, 102, 2, 223, 223, 1006, 224, 584, 101, 1, 223, 223, 1008, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 599, 101, 1, 223, 223, 1007, 226, 677, 224, 1002, 223, 2, 223, 1006, 224, 614, 1001, 223, 1, 223, 8, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 629, 101, 1, 223, 223, 107, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 644, 101, 1, 223, 223, 1108, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 659, 101, 1, 223, 223, 1008, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 674, 1001, 223, 1, 223, 4, 223, 99, 226}
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// Part 1: ID of System is 1 (use as the input)
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// runDiagnostics(puzzleInput, 1)
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// Part 2: ID of System is 5 (use as the input)
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runDiagnostics(puzzleInput, 5)
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}
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// note: a solution to part 1 that I looked up to get some insight into golang
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// package main
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// import (
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// "fmt"
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// "math"
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// "os"
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// )
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// func main() {
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// // var instructionStrings []string
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// var results []int
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// // input := 1
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// // file, err := os.Open("./input.txt")
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// // if err != nil {
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// // log.Fatal(err)
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// // }
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// // defer file.Close()
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// // scanner := bufio.NewScanner(file)
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// // for scanner.Scan() {
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// // line := scanner.Text()
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// // instructionStrings = strings.Split(line, ",")
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// // }
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// // instructions := make([]int, len(instructionStrings))
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// // for i, v := range instructionStrings {
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// // instructions[i], _ = strconv.Atoi(v)
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// // }
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// // note pasted in instructions slice
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// instructions := []int{3, 225, 1, 225, 6, 6, 1100, 1, 238, 225, 104, 0, 1, 192, 154, 224, 101, -161, 224, 224, 4, 224, 102, 8, 223, 223, 101, 5, 224, 224, 1, 223, 224, 223, 1001, 157, 48, 224, 1001, 224, -61, 224, 4, 224, 102, 8, 223, 223, 101, 2, 224, 224, 1, 223, 224, 223, 1102, 15, 28, 225, 1002, 162, 75, 224, 1001, 224, -600, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 1, 224, 1, 224, 223, 223, 102, 32, 57, 224, 1001, 224, -480, 224, 4, 224, 102, 8, 223, 223, 101, 1, 224, 224, 1, 224, 223, 223, 1101, 6, 23, 225, 1102, 15, 70, 224, 1001, 224, -1050, 224, 4, 224, 1002, 223, 8, 223, 101, 5, 224, 224, 1, 224, 223, 223, 101, 53, 196, 224, 1001, 224, -63, 224, 4, 224, 102, 8, 223, 223, 1001, 224, 3, 224, 1, 224, 223, 223, 1101, 64, 94, 225, 1102, 13, 23, 225, 1101, 41, 8, 225, 2, 105, 187, 224, 1001, 224, -60, 224, 4, 224, 1002, 223, 8, 223, 101, 6, 224, 224, 1, 224, 223, 223, 1101, 10, 23, 225, 1101, 16, 67, 225, 1101, 58, 10, 225, 1101, 25, 34, 224, 1001, 224, -59, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 3, 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, 1108, 226, 226, 224, 102, 2, 223, 223, 1005, 224, 329, 101, 1, 223, 223, 107, 226, 226, 224, 1002, 223, 2, 223, 1005, 224, 344, 1001, 223, 1, 223, 107, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 359, 101, 1, 223, 223, 7, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 374, 101, 1, 223, 223, 108, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 389, 101, 1, 223, 223, 1007, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 404, 101, 1, 223, 223, 7, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 419, 101, 1, 223, 223, 1107, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 434, 1001, 223, 1, 223, 1108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 449, 101, 1, 223, 223, 108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 464, 1001, 223, 1, 223, 8, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 479, 1001, 223, 1, 223, 1007, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 494, 101, 1, 223, 223, 1008, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 509, 101, 1, 223, 223, 1107, 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, 1001, 223, 1, 223, 1107, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 554, 1001, 223, 1, 223, 7, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 569, 1001, 223, 1, 223, 8, 677, 226, 224, 102, 2, 223, 223, 1006, 224, 584, 101, 1, 223, 223, 1008, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 599, 101, 1, 223, 223, 1007, 226, 677, 224, 1002, 223, 2, 223, 1006, 224, 614, 1001, 223, 1, 223, 8, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 629, 101, 1, 223, 223, 107, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 644, 101, 1, 223, 223, 1108, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 659, 101, 1, 223, 223, 1008, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 674, 1001, 223, 1, 223, 4, 223, 99, 226}
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// input := 1
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// index := 0
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// for {
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// opcode, arg1, arg2, arg3 := getValues(instructions, index)
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// switch opcode {
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// case 1:
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// instructions[arg3] = arg1 + arg2
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// index += 4
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// case 2:
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// instructions[arg3] = arg1 * arg2
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// index += 4
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// case 3:
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// instructions[arg1] = input
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// index += 2
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// case 4:
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// results = append(results, instructions[arg1])
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// index += 2
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// case 99:
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// fmt.Println(results)
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// os.Exit(0)
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// default:
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// fmt.Println("Invalid opcode")
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// os.Exit(1)
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// }
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// }
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// }
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// func getValues(instructions []int, index int) (int, int, int, int) {
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// instruction := instructions[index]
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// if instruction == 99 {
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// return instruction, 0, 0, 0
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// }
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// opcode := instruction % 100
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// if opcode == 3 || opcode == 4 {
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// return opcode, instructions[index+1], 0, 0
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// }
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// // tests if opcode is 1 or 2...
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// // if inSlice([]int{1, 2}, opcode) {
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// if opcode == 1 || opcode == 2 {
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// // variables to store the values that the op code should use
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// var arg1, arg2, arg3 int
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// // arg 3 is where to write the next value to, (it's always by position)
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// arg3 = instructions[index+3]
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// if math.Floor(float64((instruction%1000)/100)) == 1 {
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// // 1 is immediate mode
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// arg1 = instructions[index+1]
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// } else {
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// // otherwise 0 is position mode
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// arg1 = instructions[instructions[index+1]]
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// }
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// if math.Floor(float64((instruction%10000)/1000)) == 1 {
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// arg2 = instructions[index+2] // immediate
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// } else {
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// arg2 = instructions[instructions[index+2]] // position
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// }
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// // return the list of arrays
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// return opcode, arg1, arg2, arg3
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// }
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// return opcode, 0, 0, 0
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// }
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