day 2 part 2 very late

day2.ts

@@ -20,3 +20,19 @@ function puzzle1() {
 }
 
 console.log("Puzzle 1", puzzle1());
+
+function dampen_lists(row: number[]) {
+    const rows: number[][] = new Array(row.length).fill(row).map((_row, i) => {
+        const row = [..._row];
+        row.splice(i, 1);
+        return row;
+    });
+    return [row, ...rows].filter(safe_levels).length > 0;
+}
+
+function puzzle2() {
+    return rows.map((row) => row.split(/\s+/g).map(i => +i))
+    .filter(row => dampen_lists(row) || dampen_lists(row.toReversed())).length;
+}
+
+console.log("Puzzle 2", puzzle2());