hah intcode didn't come back this year

2020/intcode.go

@@ -1,61 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"strings"
-)
-
-func newComputerFromInput(input string) computer {
-	var instructions []instruction
-
-	for _, l := range strings.Split(input, "\n") {
-		inst := instruction{}
-		fmt.Sscanf(l, "%s %d", &inst.operation, &inst.argument)
-		instructions = append(instructions, inst)
-	}
-
-	return computer{instructions: instructions}
-}
-
-type computer struct {
-	instructions []instruction
-	index        int
-	accumulator  int
-}
-
-type instruction struct {
-	operation string
-	argument  int
-}
-
-func (c *computer) step() {
-	switch inst := c.instructions[c.index]; inst.operation {
-	case "acc":
-		c.accumulator += inst.argument
-		c.index++
-	case "jmp":
-		c.index += inst.argument
-	case "nop":
-		c.index++
-	default:
-		panic("unhandled operation type" + inst.operation)
-	}
-}
-
-// func isInfiniteLoop(comp computer) (finalAccumulatorVal int, isLoop bool) {
-// 	ranInstructionsIndices := map[int]bool{}
-// 	for comp.index < len(comp.instructions) {
-// 		nextInst := comp.index
-// 		// is an infinite loop, return out
-// 		if ranInstructionsIndices[nextInst] {
-// 			return 0, true
-// 		}
-// 		ranInstructionsIndices[nextInst] = true
-
-// 		comp.step()
-// 	}
-
-// 	// instructions finished, return final accumulator & indicate it was not an
-// 	// infinite loop
-// 	return comp.accumulator, false
-// }