Added AOC 2022 day 10

www/statics/aoc/2022/10_solution-1.nim

@@ -0,0 +1,58 @@
+import std/strutils
+import std/sequtils
+
+
+type Command = object
+    cmd: string
+    param: int
+
+
+proc run10_1(): string =
+    const input = staticRead"../input/day10.txt"
+
+    let lines = splitLines(input).filter(proc(p: string): bool = p != "")
+
+    var prog: seq[Command] = @[]
+
+    for line in lines:
+        let cmd = line.split(" ")[0]
+        if cmd == "addx":
+            prog.add(Command(cmd: "noop", param: 0))
+            prog.add(Command(cmd: "addx", param: parseInt(line.split(" ")[1])))
+        elif cmd == "noop":
+            prog.add(Command(cmd: "noop", param: 0))
+        else:
+            quit "UNKNOWN OP"
+
+    #for p in prog: echo p
+
+    var sigsum = 0
+
+    var regX = 1
+
+    for i in 0 ..< len(prog):
+
+        let before = regX
+
+        let cycle = i+1
+
+        if (cycle+20) mod 40 == 0:
+            sigsum += (i+1) * regX
+
+        if prog[i].cmd == "noop":
+            discard
+        elif prog[i].cmd == "addx":
+            regX += prog[i].param
+        else:
+            quit "UNKNOWN OP"
+
+        #echo "[", (i+1), "]: ", before, " -> ", regX, "   (", prog[i].cmd, " ", prog[i].param, ")"
+
+    return intToStr(sigsum)
+
+
+when not defined(js):
+    echo run10_1()
+else:
+    proc js_run10_1(): cstring {.exportc.} =
+        return cstring(run10_1())