update 22

fishercoder1534 · fishercoder1534 · commit e82a361be367 · 2021-06-16T07:11:38.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_22.java b/src/main/java/com/fishercoder/solutions/_22.java
@@ -33,16 +33,16 @@ public List<String> generateParenthesis(int n) {
             if (n == 0) {
                 return result;
             }
-            helper(result, "", n, n);
+            backtrack(result, "", n, n);
             return result;
         }
 
-        void helper(List<String> result, String par, int left, int right) {
+        void backtrack(List<String> result, String par, int left, int right) {
             if (left > 0) {
-                helper(result, par + "(", left - 1, right);
+                backtrack(result, par + "(", left - 1, right);
             }
             if (right > left) {
-                helper(result, par + ")", left, right - 1);
+                backtrack(result, par + ")", left, right - 1);
             }
             if (right == 0) {
                 result.add(par);

Original file line number	Diff line number	Diff line change
`@@ -33,16 +33,16 @@ public List<String> generateParenthesis(int n) {`
`33`	`33`	`if (n == 0) {`
`34`	`34`	`return result;`
`35`	`35`	`}`
`36`		`- helper(result, "", n, n);`
	`36`	`+ backtrack(result, "", n, n);`
`37`	`37`	`return result;`
`38`	`38`	`}`
`39`	`39`
`40`		`- void helper(List<String> result, String par, int left, int right) {`
	`40`	`+ void backtrack(List<String> result, String par, int left, int right) {`
`41`	`41`	`if (left > 0) {`
`42`		`- helper(result, par + "(", left - 1, right);`
	`42`	`+ backtrack(result, par + "(", left - 1, right);`
`43`	`43`	`}`
`44`	`44`	`if (right > left) {`
`45`		`- helper(result, par + ")", left, right - 1);`
	`45`	`+ backtrack(result, par + ")", left, right - 1);`
`46`	`46`	`}`
`47`	`47`	`if (right == 0) {`
`48`	`48`	`result.add(par);`