Added AOC 2022 day 08

www/statics/aoc/2022/08_solution-1.nim

@@ -0,0 +1,59 @@
+import std/strutils
+import std/sequtils
+
+proc grid_hidden(grid: seq[seq[int]], cx: int, cy: int, width: int, height: int): bool =
+    let cv = grid[cy][cx]
+
+    if cx == 0 or cy == 0 or cx == width-1 or cy == height-1:
+        return false
+
+    if not (cx+1 ..< width).toSeq().any(proc(x:int):bool = grid[cy][x] >= cv):
+        return false
+
+    if not (0 ..< cx).toSeq().any(proc(x:int):bool = grid[cy][x] >= cv):
+        return false
+
+    if not (cy+1 ..< height).toSeq().any(proc(y:int):bool = grid[y][cx] >= cv):
+        return false
+
+    if not (0 ..< cy).toSeq().any(proc(y:int):bool = grid[y][cx] >= cv):
+        return false
+
+    return true
+
+
+proc run08_1(): string =
+    const input = staticRead"../input/day08.txt"
+
+    let grid = splitLines(input)
+                .filterIt(it != "")
+                .mapIt(it.toSeq().map(proc(p:char):int = parseInt(p.repeat(1))))
+
+    # echo grid
+
+    let width = grid[0].len()
+    let height = grid.len()
+
+    # echo width, "x", height
+
+    var visible = 0
+
+    for y in 0 ..< height:
+        for x in 0 ..< width:
+            let hidden = grid_hidden(grid, x, y, width, height)
+            #if hidden:
+            #    io.stdout.write "#"
+            #else:
+            #    io.stdout.write "."
+            if not hidden: visible += 1
+        #io.stdout.write "\n"
+
+
+    return intToStr(visible)
+
+
+when not defined(js):
+    echo run08_1()
+else:
+    proc js_run08_1(): cstring {.exportc.} =
+        return cstring(run08_1())