add day 7 part 2

Matrikss · Dec 7, 2022 · aa6888d · aa6888d
1 parent 0349d52
commit aa6888d
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/day7.go b/day7.go
@@ -84,4 +84,17 @@ func main() {
 	}
 
 	fmt.Println("Part 1: ", part1)
+
+	need_to_free := 30000000 - (70000000 - root.size)
+
+	min := 30000000
+	for _, no := range dirs {
+		if no.size >= need_to_free {
+			if no.size < min {
+				min = no.size
+			}
+		}
+	}
+
+	fmt.Println("Part 2: ", min)
 }