Added AOC 2022 day 04

www/statics/aoc/2022/04_solution-2.nim

@@ -0,0 +1,34 @@
+import std/strutils
+import std/sequtils
+
+proc run04_2(): string =
+    const input = staticRead"../input/day04.txt"
+
+    var ctr = 0
+
+    let lines = splitLines(input).filter(proc(p: string): bool = p != "")
+
+    for line in lines:
+
+        let pairs = line.split(",")
+        let sec1s = parseInt(pairs[0].split("-")[0])
+        let sec1e = parseInt(pairs[0].split("-")[1])
+        let sec2s = parseInt(pairs[1].split("-")[0])
+        let sec2e = parseInt(pairs[1].split("-")[1])
+
+        if (sec1s <= sec2s and sec2s <= sec1e) or (sec1s <= sec2e and sec2e <= sec1e):
+            ctr+=1
+            echo "[", sec2s, "..", sec2e, "]", " overlaps ", "[", sec1s, "..", sec1e, "]"
+        elif (sec2s <= sec1s and sec1s <= sec2e) or (sec2s <= sec1e and sec1e <= sec2e):
+            ctr+=1
+            echo "[", sec2s, "..", sec2e, "]", " overlaps ", "[", sec1s, "..", sec1e, "]"
+        else:
+            echo "[", sec1s, "..", sec1e, "]", " nolap ", "[", sec2s, "..", sec2e, "]"
+
+    return intToStr(ctr)
+
+when not defined(js):
+    echo run04_2()
+else:
+    proc js_run04_2(): cstring {.exportc.} =
+        return cstring(run04_2())