Zwischenstand
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8da77203f0
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139
day16/day16.go
Normal file
139
day16/day16.go
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@ -0,0 +1,139 @@
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package main
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import (
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"AOC2022/helper"
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"fmt"
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"strconv"
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"strings"
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)
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type Valve struct {
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id string
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flowRate int
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routes map[string]int
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cost int
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before string
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}
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func main() {
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//args := os.Args[1:]
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lines := helper.ReadTextFile("day16/testinput")
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valves := getValves(lines)
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startValve := "AA"
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valvesWithFlowRate := getValvesWithFlowRate(valves)
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valvesWithFlowRate = append(valvesWithFlowRate, "AA")
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fmt.Println(startValve)
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fmt.Println(valvesWithFlowRate)
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valvesCopy := deepCopyMap(valves)
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for i, activeValve := range valvesWithFlowRate {
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routes := make(map[string]int)
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for j, valve := range valvesWithFlowRate {
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if i != j {
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tmpValves := deepCopyMap(valvesCopy)
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routeLenght := getRouteLength(activeValve, valve, tmpValves)
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routes[valve] = routeLenght
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}
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}
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entry := valves[activeValve]
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entry.routes = routes
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valves[activeValve] = entry
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}
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currentValve := "AA"
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remainingValves := valvesWithFlowRate[:len(valvesWithFlowRate)-1]
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remainingTime := 30
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sumReleasedPressure := 0
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getNextStep(&remainingValves, valves, ¤tValve, &remainingTime, &sumReleasedPressure)
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fmt.Println(currentValve)
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}
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func getNextStep(remainingValves *[]string, valves map[string]Valve, currentValve *string, remainingTime *int, sumReleasedPressure *int) {
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bestValve := -1
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bestValue := 0
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for i, remainingValve := range *remainingValves {
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movingTimeCost := valves[*currentValve].routes[remainingValve]
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openingTimeCost := 1
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flowrate := valves[remainingValve].flowRate
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possibleGainedPressureReduction := (*remainingTime - openingTimeCost - movingTimeCost) * flowrate
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if possibleGainedPressureReduction > bestValue {
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bestValue = possibleGainedPressureReduction
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bestValve = i
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}
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}
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*sumReleasedPressure += bestValue
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*remainingTime -= (valves[*currentValve].routes[(*remainingValves)[bestValve]] + 1)
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*currentValve = (*remainingValves)[bestValve]
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helper.Remove(remainingValves, bestValve)
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}
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func deepCopyMap(valves map[string]Valve) map[string]Valve {
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tmpValves := make(map[string]Valve)
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for k, v := range valves {
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tmpValves[k] = v
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}
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return tmpValves
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}
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func getValves(lines []string) map[string]Valve {
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valves := make(map[string]Valve)
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for _, line := range lines {
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id := line[6:8]
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flowrate := helper.RemoveError(strconv.Atoi(strings.Split(line[23:], ";")[0]))
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routesStrings := strings.Split(strings.Split(line[23:], ";")[1][24:], ", ")
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routes := make(map[string]int)
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for _, routeString := range routesStrings {
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routes[routeString] = 1
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}
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valves[id] = Valve{id, flowrate, routes, 0, ""}
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}
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return valves
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}
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func getValvesWithFlowRate(valves map[string]Valve) []string {
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valvesWithFlowRate := []string{}
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for key, val := range valves {
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if val.flowRate > 0 {
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valvesWithFlowRate = append(valvesWithFlowRate, key)
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}
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}
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return valvesWithFlowRate
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}
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func getRouteLength(valve1, valve2 string, valves map[string]Valve) int {
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activeValves := make(map[string]struct{})
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activeValves[valve1] = struct{}{}
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return getBestRouteLength(activeValves, valves, valve2)
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}
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func getBestRouteLength(activeValves map[string]struct{}, valves map[string]Valve, endValve string) int {
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for len(activeValves) > 0 {
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step(&valves, &activeValves)
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}
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return valves[endValve].cost
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}
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func step(valves *map[string]Valve, activeValves *map[string]struct{}) {
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valve := get_some_key(*activeValves)
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delete(*activeValves, valve)
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currentValve := (*valves)[valve]
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currentFieldSumCost := currentValve.cost
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directions := currentValve.routes
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for nextValve, _ := range directions {
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cost := 1 + currentFieldSumCost
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if nextValve != currentValve.before {
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if (*valves)[nextValve].cost > cost || (*valves)[nextValve].cost == 0 {
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entry := (*valves)[nextValve]
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entry.cost = cost
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entry.before = valve
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(*valves)[nextValve] = entry
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(*activeValves)[nextValve] = struct{}{}
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}
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}
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}
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}
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func get_some_key(m map[string]struct{}) string {
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for k := range m {
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return k
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}
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return ""
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}
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55
day16/input
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55
day16/input
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@ -0,0 +1,55 @@
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Valve SW has flow rate=0; tunnels lead to valves LX, LD
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Valve VS has flow rate=0; tunnels lead to valves JO, OO
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Valve OO has flow rate=10; tunnels lead to valves KK, HD, VS, KI
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Valve DZ has flow rate=8; tunnels lead to valves KV, GX, WQ, BA, PK
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Valve GX has flow rate=0; tunnels lead to valves AA, DZ
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Valve IF has flow rate=0; tunnels lead to valves OI, DW
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Valve BO has flow rate=0; tunnels lead to valves UJ, ZT
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Valve KI has flow rate=0; tunnels lead to valves OO, KU
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Valve JT has flow rate=3; tunnels lead to valves FC, AM, KV, XP, XZ
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Valve TQ has flow rate=0; tunnels lead to valves AA, DW
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Valve KK has flow rate=0; tunnels lead to valves QW, OO
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Valve NR has flow rate=0; tunnels lead to valves UG, XM
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Valve VO has flow rate=0; tunnels lead to valves YR, AA
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Valve MS has flow rate=17; tunnels lead to valves LT, LX
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Valve JO has flow rate=0; tunnels lead to valves YR, VS
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Valve ZB has flow rate=0; tunnels lead to valves UJ, LT
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Valve ZT has flow rate=0; tunnels lead to valves XM, BO
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Valve YR has flow rate=9; tunnels lead to valves VO, FY, WB, JO
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Valve QS has flow rate=0; tunnels lead to valves QW, FY
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Valve UD has flow rate=0; tunnels lead to valves CA, JB
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Valve AP has flow rate=0; tunnels lead to valves CA, DW
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Valve KV has flow rate=0; tunnels lead to valves JT, DZ
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Valve JH has flow rate=0; tunnels lead to valves IK, UJ
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Valve LD has flow rate=15; tunnels lead to valves IK, SW
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Valve XK has flow rate=0; tunnels lead to valves XZ, BH
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Valve XM has flow rate=11; tunnels lead to valves XP, CJ, ZT, NR
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Valve FY has flow rate=0; tunnels lead to valves YR, QS
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Valve GI has flow rate=22; tunnel leads to valve TI
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Valve JB has flow rate=14; tunnels lead to valves WB, UD, WQ, HD
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Valve DW has flow rate=6; tunnels lead to valves AP, TQ, NQ, IF, PK
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Valve UJ has flow rate=13; tunnels lead to valves JH, ZB, BO
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Valve KU has flow rate=0; tunnels lead to valves CA, KI
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Valve WQ has flow rate=0; tunnels lead to valves JB, DZ
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Valve BA has flow rate=0; tunnels lead to valves BH, DZ
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Valve AA has flow rate=0; tunnels lead to valves YX, TQ, VO, GX, QP
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Valve TI has flow rate=0; tunnels lead to valves GI, UG
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Valve FC has flow rate=0; tunnels lead to valves QP, JT
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Valve CA has flow rate=18; tunnels lead to valves KU, UD, AP
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Valve QW has flow rate=25; tunnels lead to valves QS, KK
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Valve XZ has flow rate=0; tunnels lead to valves JT, XK
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Valve YX has flow rate=0; tunnels lead to valves AA, CJ
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Valve OI has flow rate=0; tunnels lead to valves IF, BH
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Valve NQ has flow rate=0; tunnels lead to valves AM, DW
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Valve QP has flow rate=0; tunnels lead to valves AA, FC
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Valve AM has flow rate=0; tunnels lead to valves NQ, JT
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Valve XP has flow rate=0; tunnels lead to valves XM, JT
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Valve BH has flow rate=12; tunnels lead to valves BA, XK, OI
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Valve HD has flow rate=0; tunnels lead to valves OO, JB
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Valve LT has flow rate=0; tunnels lead to valves MS, ZB
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Valve LX has flow rate=0; tunnels lead to valves MS, SW
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Valve CJ has flow rate=0; tunnels lead to valves XM, YX
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Valve PK has flow rate=0; tunnels lead to valves DW, DZ
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Valve IK has flow rate=0; tunnels lead to valves LD, JH
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Valve WB has flow rate=0; tunnels lead to valves YR, JB
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Valve UG has flow rate=21; tunnels lead to valves TI, NR
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10
day16/testinput
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10
day16/testinput
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@ -0,0 +1,10 @@
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Valve AA has flow rate=0; tunnels lead to valves DD, II, BB
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Valve BB has flow rate=13; tunnels lead to valves CC, AA
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Valve CC has flow rate=2; tunnels lead to valves DD, BB
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Valve DD has flow rate=20; tunnels lead to valves CC, AA, EE
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Valve EE has flow rate=3; tunnels lead to valves FF, DD
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Valve FF has flow rate=0; tunnels lead to valves EE, GG
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Valve GG has flow rate=0; tunnels lead to valves FF, HH
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Valve HH has flow rate=22; tunnel leads to valve GG
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Valve II has flow rate=0; tunnels lead to valves AA, JJ
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Valve JJ has flow rate=21; tunnel leads to valve II
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@ -98,9 +98,9 @@ func Contains[T constraints.Ordered](elems []T, v T) bool {
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return false
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}
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func Remove[T constraints.Ordered](s []T, i int) []T {
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s[i] = s[len(s)-1]
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return s[:len(s)-1]
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func Remove[T any](s *[]T, i int) {
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(*s)[i] = (*s)[len(*s)-1]
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*s = (*s)[:len(*s)-1]
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}
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func GetValueOf2DMap[T any](location [2]int, map2D *[][]T) (T, error) {
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