Day 8

day08/ex1/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+  "bufio"
+  "fmt"
+  "os"
+  "aoc2022/day08/common"
+)
+
+func main() {
+  forest := common.Parse(*bufio.NewScanner(os.Stdin))
+  nVisibleTrees := 0
+
+  for i := 0; i < len(forest); i++ {
+    for j := 0; j < len(forest[i]); j++ {
+      visible := true
+      for k := 0; k < i; k++ {
+        if forest[k][j] >= forest[i][j] {
+          visible = false
+        }
+      }
+      if visible {
+        nVisibleTrees++
+        continue
+      }
+      visible = true
+      for k := 0; k < j; k++ {
+        if forest[i][k] >= forest[i][j] {
+          visible = false
+        }
+      }
+      if visible {
+        nVisibleTrees++
+        continue
+      }
+      visible = true
+      for k := i + 1; k < len(forest); k++ {
+        if forest[k][j] >= forest[i][j] {
+          visible = false
+        }
+      }
+      if visible {
+        nVisibleTrees++
+        continue
+      }
+      visible = true
+      for k := j + 1; k < len(forest[i]); k++ {
+        if forest[i][k] >= forest[i][j] {
+          visible = false
+        }
+      }
+      if visible {
+        nVisibleTrees++
+        continue
+      }
+    }
+  }
+
+  fmt.Println(nVisibleTrees)
+}