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剑指Offer 58 - 不使用额外空间的JS解法

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BarneyShi
2021-10-12 23:06:12 -07:00
parent 7bb935cfaa
commit 7484ba1e00
1 changed files with 8 additions and 11 deletions
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17
problems/剑指Offer58-II.左旋转字符串.md
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@ -200,17 +200,14 @@ func reverse(b []byte, left, right int){
JavaScript：
```javascript
var reverseLeftWords = function (s, n) {
const reverse = (str, left, right) => {
let strArr = str.split("");
for (; left < right; left++, right--) {
[strArr[left], strArr[right]] = [strArr[right], strArr[left]];
var reverseLeftWords = function(s, n) {
const length = s.length;
let i = 0;
while (i < length - n) {
s = s[length - 1] + s;
i++;
}
return strArr.join("");
}
s = reverse(s, 0, n - 1);
s = reverse(s, n, s.length - 1);
return reverse(s, 0, s.length - 1);
return s.slice(0, length);
};
```