day 9 complete

9/main.go

@@ -9,8 +9,8 @@ import (
 )
 
 func main() {
-  file, _ := os.Open("test")
-//  file, _ := os.Open("input")
+//  file, _ := os.Open("test")
+  file, _ := os.Open("input")
   defer file.Close()
   scanner := bufio.NewScanner(file)
   diskMap := []string{}
@@ -40,89 +40,38 @@ func main() {
       }
     }
   }
-//  for i := range blocks {
-//    if blocks[i] == "." {
-//      for j:=len(blocks)-1;j>i;j-- {
-//        if blocks[j] != "." {
-//          blocks[i] = blocks[j]
-//          blocks[j] = "."
-//          break
-//        }
-//      }
-//    }
-//  }
-//  checksum := 0
-//  for i := range blocks {
-//    blockID, _ := strconv.Atoi(blocks[i])
-//    checksum = checksum + i * blockID
-//  }
-//  fmt.Println(checksum)
-  fmt.Println(blocks)
-//  moved := []bool{}
-//  for i:=0;i<fileID;i++ {
-//    moved = append(moved, false)
-//  }
-//  for id:=fileID-1;id>=0;id-- {
-//    for j:=0;j<id;j++{
-//      fmt.Println("1.", blockSizes[id], "<=", freeSpaces[j])
-//      if blockSizes[id] <= freeSpaces[j] {
-//        for k:=len(blocks)-1;k>=0;k-- {
-//          if blocks[k] == strconv.Itoa(j) {
-//            fmt.Println("2. k:", k, "blocks[k]:", blocks[k])
-//            changed := []int{}
-//            for l:=0;l<blockSizes[id];l++ {
-//              emptyPosition := 0
-//              found := false
-//              for ! found {
-//                if blocks[k+emptyPosition+1+l] == "." {
-//                  found = true
-//                  break
-//                } else {
-//                  emptyPosition++
-//                }
-//              }
-//              blocks[k+emptyPosition+1+l] = strconv.Itoa(id)
-//              fmt.Println(blocks)
-//              changed = append(changed, k+1+l)
-//            }
-//            for x1:=0;x1<len(blocks);x1++ {
-//              if blocks[x1] == strconv.Itoa(id) && ! slices.Contains(changed, x1) {
-//                blocks[x1] = "."
-//              }
-//            }
-//            fmt.Println("3.1 before", freeSpaces[j])
-//            freeSpaces[j] = freeSpaces[j]-blockSizes[id]
-//            fmt.Println("3.2 after", freeSpaces[j])
-//            moved[id] = true
-//            break
-//          }
-//        }
-//      }
-//      if moved[id] {
-//        break
-//      }
-//    }
-//  }
-//  fmt.Println(blocks)
-  //TRY2
-  for id:=fileID-1;id>=0;id-- {
-    idPositions := findIDpositions(blocks, id)
-    for i:=0;i<fileID-1;i++ {
-      spacesPositionsAfterID := findSpacesAfterID(blocks, i)
-      if len(idPositions) <= len(spacesPositionsAfterID) {
-        for i:=0;i<len(spacesPositionsAfterID);i++ {
-          blocks[spacesPositionsAfterID[i]] = strconv.Itoa(id)
-          fmt.Println(blocks)
+  if len(freeSpaces) < len(blockSizes) {
+    freeSpaces = append(freeSpaces, 0)
   }
-        for i:=0;i<len(idPositions);i++ {
+  //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]] = "."
-          fmt.Println(blocks)
+          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)
 }
 
 
@@ -136,13 +85,16 @@ func findIDpositions(blocks []string, id int) []int {
   return positions
 }
 
-func findSpacesAfterID(blocks []string, id int) []int {
+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
 }

9/test2

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

9/test3

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