refactor 1601

fishercoder1534 · fishercoder1534 · commit da92bcb71902 · 2020-10-02T07:44:46.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_1601.java b/src/main/java/com/fishercoder/solutions/_1601.java
@@ -1,29 +1,34 @@
-class Solution {
-    int max = 0;
-    public int maximumRequests(int n, int[][] requests) {
-        helper(requests, 0, new int[n], 0);
-        return max;
-    }
-    
-    private void helper(int[][] requests, int index, int[] count, int num) {
-        // Traverse all n buildings to see if they are all 0. (means balanced)
-        if (index == requests.length) {
-            for (int i : count) {
-                if (0 != i) {
-                    return;
+package com.fishercoder.solutions;
+
+public class _1601 {
+    public static class Solution1 {
+        int max = 0;
+
+        public int maximumRequests(int n, int[][] requests) {
+            helper(requests, 0, new int[n], 0);
+            return max;
+        }
+
+        private void helper(int[][] requests, int index, int[] count, int num) {
+            // Traverse all n buildings to see if they are all 0. (means balanced)
+            if (index == requests.length) {
+                for (int i : count) {
+                    if (0 != i) {
+                        return;
+                    }
                 }
+                max = Math.max(max, num);
+                return;
             }
-            max = Math.max(max, num);
-            return;
+            // Choose this request
+            count[requests[index][0]]++;
+            count[requests[index][1]]--;
+            helper(requests, index + 1, count, num + 1);
+            count[requests[index][0]]--;
+            count[requests[index][1]]++;
+
+            // Not Choose the request
+            helper(requests, index + 1, count, num);
         }
-		// Choose this request
-        count[requests[index][0]]++;
-        count[requests[index][1]]--;
-        helper(requests, index + 1, count, num + 1);
-        count[requests[index][0]]--;
-        count[requests[index][1]]++;
-        
-		// Not Choose the request
-        helper(requests, index + 1, count, num);
     }
 }
