Improve code and change shrink factor

sorting/comb_sort.go

@@ -14,31 +14,18 @@ func main() {
 	fmt.Println("")
 
 	tmp := 0
-    gap := len(arr)
+	arrLen := len(arr)
+	gap := arrLen
+	for gap > 1 {
+		gap = gap * 10 / 13 //shrink factor is 1.3
 
-    for {
-        if gap > 1 {
-            gap = gap * 100 / 124
-        }
-        
-        for i := 0 ; ; {
-        
-            if arr[i] > arr[i + gap]  {         
+		for i := 0; i+gap < arrLen; i++ {
+			if arr[i] > arr[i+gap] {
 				tmp = arr[i]
-                arr[i] = arr[i + gap]
-                arr[i + gap] = tmp              
-            }
-
-            i++
-            
-            if i + gap >= len(arr){
-                break
+				arr[i] = arr[i+gap]
+				arr[i+gap] = tmp
 			}
 		}
-
-        if gap == 1 {
-            break
-        }
 	}
 
 	fmt.Println("Sorted array is: ", arr)