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344. Reverse String - Double Pointer Method

2022-08-05 19:25:00 【Lifted me up and continue to learn】

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class Solution {public void reverseString(char[] s) {int l=0;int r=s.length-1;while(l<r){ //You can also use a for loop to exchange left and right symmetrychar temp = s[l];s[l]=s[r];s[r]=temp;l++;r--;}}}
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