We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
There was an error while loading. Please reload this page.
1 parent 89b4732 commit 3e5c44cCopy full SHA for 3e5c44c
1541. 平衡括号字符串的最少插入次数.js
@@ -0,0 +1,26 @@
1
+/**
2
+ * @param {string} s
3
+ * @return {number}
4
+ */
5
+var minInsertions = function (s) {
6
+ let result = 0;
7
+ let left = 0;
8
+ let right = 0;
9
+ for (let i = 0; i < s.length; i++) {
10
+ if (s[i] === '(') {
11
+ left++;
12
+ } else {
13
+ if (left) {
14
+ left--;
15
16
+ result++;
17
+ }
18
+ if (s[i + 1] === ')') {
19
+ i++;
20
21
22
23
24
25
+ return result + left * 2;
26
+};
0 commit comments