Add solution for Challenge 2

Author: go-interview-practice-bot[bot]

challenge-2/submissions/fzzv/solution-template.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func main() {
+	// Read input from standard input
+	scanner := bufio.NewScanner(os.Stdin)
+	if scanner.Scan() {
+		input := scanner.Text()
+
+		// Call the ReverseString function
+		output := ReverseString(input)
+
+		// Print the result
+		fmt.Println(output)
+	}
+}
+
+// ReverseString returns the reversed string of s.
+func ReverseString(s string) string {
+    n := len(s)
+    if n <= 1 || n > 1000 {
+        return s
+    }
+    
+    b := []byte(s)
+    for i, j := 0, n-1; i <j; i, j = i+1, j-1 {
+        b[i], b[j] = b[j], b[i]
+    }
+    return string(b)
+}