up till 08/01/2025

10/main.go

@@ -20,33 +20,28 @@ func findTrailheads(tmap [][]int) [][]int {
   return trailheadsPositions
 }
 
-func nextSteps(tmap [][]int, currentPosition []int) ([][]int, bool) {
+func nextSteps(tmap [][]int, currentPosition []int) [][]int {
   paths := [][]int{}
-  found := false
   if currentPosition[0] - 1 >= 0 && tmap[currentPosition[0]-1][currentPosition[1]] == tmap[currentPosition[0]][currentPosition[1]] + 1 {
     paths = append(paths, []int{currentPosition[0]-1,currentPosition[1]})
-    found = true
   } 
   if currentPosition[0] + 1 < len(tmap) && tmap[currentPosition[0]+1][currentPosition[1]] == tmap[currentPosition[0]][currentPosition[1]] + 1 {
     paths = append(paths, []int{currentPosition[0]+1,currentPosition[1]})
-    found = true
   } 
   if currentPosition[1] + 1 < len(tmap[currentPosition[0]]) && tmap[currentPosition[0]][currentPosition[1]+1] == tmap[currentPosition[0]][currentPosition[1]] + 1 {
     paths = append(paths, []int{currentPosition[0],currentPosition[1]+1})
-    found = true
   } 
   if currentPosition[1] - 1 >= 0 && tmap[currentPosition[0]][currentPosition[1]-1] == tmap[currentPosition[0]][currentPosition[1]] + 1 {
     paths = append(paths, []int{currentPosition[0],currentPosition[1]-1})
-    found = true
   } 
-  return paths, found
+  return paths
 }
 
 func calcPath(tmap [][]int, start []int) [][]int {
   path := [][]int{start}
   for i:=1;i<=9;i++ {
-    nextStep, found := nextSteps(tmap,path[len(path)-1])
-    if ! found {
+    nextStep := nextSteps(tmap,)
+    if len(nextStep) > 0 {
       break
     } else {
       path = append(path, nextStep...)

test/main.go

@@ -3,15 +3,9 @@ package main
 import "fmt"
 
 func main() {
-    // Initialize the variable before the loop
-    value := 0
-
-    for i := 0; i < 5; i++ {
-        // Change its value within the loop
-        value += i
-        fmt.Println("Current Value:", value) // Use the variable here
-    }
-
-    fmt.Println("Final Value:", value) // Still accessible after the loop
+  slice := []int{}
+  for i := range slice {
+    fmt.Println(i)
+  }
 }