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:work: Working with part 2 of day 7

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This commit is contained in:
Alphyron 2019-12-09 08:43:39 +01:00
parent 0fbbe517c6
commit 0b74b2411b
2 changed files with 75 additions and 12 deletions
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42
day7/main.go
View File

@ -3,6 +3,7 @@ package main
import (
"bufio"
"errors"
"fmt"
"log"
"math"
"os"
@ -62,7 +63,7 @@ func SolvePuzzle1(list []int) {
func SolvePuzzle2(list []int) {
rawr := []int{9, 8, 7, 6, 5}
rawr := []int{5, 6, 7, 8, 9}
combinations := permutations(rawr)
highestOutput := math.MinInt32
//highestInput := ""
@ -107,10 +108,19 @@ func RunAmplification(list []int, phases []int) int {
func RunRecursiveAmplification(list []int, phases []int) int {
signal := []string{"0"}
i := 0
for true {
wip := make([]int, len(list))
copy(wip, list)
amplifier := make([][]int, 0)
for i := 0; i < 5; i++ {
log.Println("============")
log.Println(i)
if len(amplifier) <= i {
log.Println(len(amplifier))
wip := make([]int, len(list))
copy(wip, list)
amplifier = append(amplifier, wip)
log.Println(len(amplifier))
}
inputs := make([]int, 0)
inputs = append(inputs, phases[i])
@ -119,7 +129,7 @@ func RunRecursiveAmplification(list []int, phases []int) int {
inputs = append(inputs, inputStr)
}
output, err, cmdSuccess := ParseArray(wip, inputs)
output, err, cmdSuccess := ParseArray(amplifier[i], inputs)
if err != nil {
log.Printf("Problem at Amplification: %d", i+1)
@ -128,20 +138,23 @@ func RunRecursiveAmplification(list []int, phases []int) int {
signal = output
if cmdSuccess && i == 4 {
if cmdSuccess {
break
}
if i == 4 {
i = -1
}
i++
}
sigInt, _ := strconv.Atoi(signal[len(signal)-1])
return sigInt
}
func ParseArray(list []int, inputs []int) (output []string, err error, cmdEnd bool) {
func ParseArray(list []int, inputs []int) ([]string, error, bool) {
var (
output []string
)
inputIndex := 0
output = make([]string, 0)
@ -152,6 +165,7 @@ func ParseArray(list []int, inputs []int) (output []string, err error, cmdEnd bo
if cmd == 99 {
return output, nil, true
}
sum := 0
mode1 := 0
@ -207,8 +221,6 @@ func ParseArray(list []int, inputs []int) (output []string, err error, cmdEnd bo
sum = num1 * num2
list[list[i+3]] = sum
} else if cmd == 3 {
//log.Println(i)
if len(inputs) > inputIndex {
input := inputs[inputIndex]
inputIndex++
@ -226,7 +238,7 @@ func ParseArray(list []int, inputs []int) (output []string, err error, cmdEnd bo
} else {
output = append(output, strconv.Itoa(list[list[i+1]]))
}
i = i - 2
i -= 2
} else if cmd == 5 {
num1 := -1
if mode1 == 1 {
@ -303,6 +315,12 @@ func ParseArray(list []int, inputs []int) (output []string, err error, cmdEnd bo
return output, errors.New("Wrong Command (" + strconv.Itoa(list[i]) + ") at position " + strconv.Itoa(i)), false
}
}
if len(inputs) > inputIndex {
output = append(strings.Fields(fmt.Sprint(inputs[inputIndex:])), output...)
}
log.Println("NONE")
return output, nil, false
}

45
day7/main_test.go Normal file
View File

@ -0,0 +1,45 @@
package main
import (
"strconv"
"strings"
"testing"
)
func TestExampleRecursive1(t *testing.T) {
text := "3,26,1001,26,-4,26,3,27,1002,27,2,27,1,27,26,27,4,27,1001,28,-1,28,1005,28,6,99,0,0,5"
stringarr := strings.Split(text, ",")
var t2 = []int{}
for _, i := range stringarr {
j, err := strconv.Atoi(i)
if err != nil {
panic(err)
}
t2 = append(t2, j)
}
goal := RunRecursiveAmplification(t2, []int{9, 8, 7, 6, 5})
success := 139629729
if goal != success {
t.Errorf("Example 1 was incorrect, got: {%d}, want: {%d}.", goal, success)
}
}
func TestExampleRecursive2(t *testing.T) {
text := "3,52,1001,52,-5,52,3,53,1,52,56,54,1007,54,5,55,1005,55,26,1001,54,-5,54,1105,1,12,1,53,54,53,1008,54,0,55,1001,55,1,55,2,53,55,53,4,53,1001,56,-1,56,1005,56,6,99,0,0,0,0,10"
stringarr := strings.Split(text, ",")
var t2 = []int{}
for _, i := range stringarr {
j, err := strconv.Atoi(i)
if err != nil {
panic(err)
}
t2 = append(t2, j)
}
goal := RunRecursiveAmplification(t2, []int{9, 7, 8, 5, 6})
success := 18216
if goal != success {
t.Errorf("Example 2 was incorrect, got: {%d}, want: {%d}.", goal, success)
}
}