Add solutions for challenge 1 and 2 by jersonzc (#58)

* feat: add solution for challenge 1

* feat: add solution for challenge 2

Author: jersonzc

challenge-1/submissions/jersonzc/solution-template.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	var a, b int
+	// Read two integers from standard input
+	_, err := fmt.Scanf("%d, %d", &a, &b)
+	if err != nil {
+		fmt.Println("Error reading input:", err)
+		return
+	}
+
+	// Call the Sum function and print the result
+	result := Sum(a, b)
+	fmt.Println(result)
+}
+
+// Sum returns the sum of a and b.
+func Sum(a int, b int) int {
+	return a + b
+}

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

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+)
+
+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 {
+	var result strings.Builder
+	for i := len(s) - 1; i >= 0; i-- {
+		result.WriteByte(s[i])
+	}
+	return result.String()
+}