Rename folders

09/go.mod

@@ -0,0 +1,3 @@
+module day92
+
+go 1.22.4

09/main.go

@@ -0,0 +1,100 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+//  file, _ := os.Open("test")
+  file, _ := os.Open("input")
+  defer file.Close()
+  scanner := bufio.NewScanner(file)
+  diskMap := []string{}
+  for scanner.Scan() {
+    line := scanner.Text()
+    diskMap = append(diskMap, strings.Split(line, "")...)
+  }
+  fileID := 0
+  blockSize := 0
+  blockSizes := []int{}
+  freeSpace := 0
+  freeSpaces := []int{}
+  blocks := []string{}
+  for i := range diskMap {
+    if i % 2 == 0 {
+      blockSize, _ = strconv.Atoi(diskMap[i])
+      blockSizes = append(blockSizes, blockSize)
+      for j:=0;j<blockSize;j++ {
+        blocks = append(blocks, strconv.Itoa(fileID))
+      }
+      fileID++
+    } else {
+      freeSpace, _ = strconv.Atoi(diskMap[i])
+      freeSpaces = append(freeSpaces, freeSpace)
+      for j:=0;j<freeSpace;j++ {
+        blocks = append(blocks, ".")
+      }
+    }
+  }
+  if len(freeSpaces) < len(blockSizes) {
+    freeSpaces = append(freeSpaces, 0)
+  }
+  //TRY3
+  for id:=fileID-1;id>=0;id-- {
+    idPositions := findIDpositions(blocks,id)
+    for moveTo:=0;moveTo<=id;moveTo++ {
+      if moveTo==id {
+        continue
+      }
+      if len(idPositions) <= freeSpaces[moveTo] {
+        //find the spaces after the moveTo
+        idSpacePositions := findSpacesAfterID(blocks,moveTo,freeSpaces[moveTo])
+        //assign id to spaces for each len(idPositions)
+        for i:=0;i<blockSizes[id];i++ {
+          blocks[idSpacePositions[i]]=strconv.Itoa(id)
+          blocks[idPositions[i]] = "."
+          freeSpaces[moveTo]--
+        }
+        break
+        //assign new id positions to idPositions
+        //assign space to each idPositions
+      }
+    }
+    fmt.Println(blocks)
+  }
+  checksum := 0
+  for i := range blocks {
+    blockID, _ := strconv.Atoi(blocks[i])
+    checksum = checksum + i * blockID
+  }
+  fmt.Println(checksum)
+}
+
+
+func findIDpositions(blocks []string, id int) []int {
+  positions := []int{}
+  for i := range blocks {
+    if blocks[i] == strconv.Itoa(id) {
+      positions = append(positions, i)
+    }
+  }
+  return positions
+}
+
+func findSpacesAfterID(blocks []string, id, idSpaces int) []int {
+  spaces := []int{}
+  idPositions := findIDpositions(blocks,id)
+  for i:=idPositions[len(idPositions)-1];i<len(blocks);i++ {
+    if blocks[i] == "." {
+      spaces = append(spaces, i)
+    }
+    if len(spaces) == idSpaces {
+      break
+    }
+  }
+  return spaces
+}

09/test

@@ -0,0 +1 @@
+2333133121414131402

09/test2

@@ -0,0 +1 @@
+1313165

09/test3

@@ -0,0 +1 @@
+9953877292941