add sol

leetcode/1291.SequentialDigits/sequentialDigits.go

@@ -0,0 +1,30 @@
+// https://leetcode.com/problems/sequential-digits
+
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+func sequentialDigits(low int, high int) []int {
+	ans := []int{}
+	for i := 1; i < 9; i++ {
+		x := i
+		for j := i + 1; j < 10; j++ {
+			x = x*10 + j
+			if low <= x && x <= high {
+				ans = append(ans, x)
+			}
+		}
+	}
+	sort.Ints(ans)
+	return ans
+}
+
+func main() {
+	low := 100
+	high := 300
+
+	fmt.Println(sequentialDigits(low, high))
+}