4 solved

Author: Rafal Gajdulewicz

4.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"strconv"
+)
+
+func main() {
+	max := -1
+	for i := 999; i >= 100; i-- {
+		for j := 999; j >= 100; j-- {
+			mult := i * j
+			if isPalindrome(mult) {
+				if mult > max {
+					max = mult
+				}
+			}
+		}
+	}
+	fmt.Println(max)
+}
+
+func isPalindrome(num int) bool {
+	chars := strconv.Itoa(num)
+	count := len(chars)
+	for ind := range chars {
+		if chars[ind] != chars[count-ind-1] {
+			return false
+		}
+	}
+	return true
+}