문제: https://leetcode.com/problems/reverse-string/
Reverse String - LeetCode
Can you solve this real interview question? Reverse String - Write a function that reverses a string. The input string is given as an array of characters s. You must do this by modifying the input array in-place [https://en.wikipedia.org/wiki/In-place_algo
leetcode.com
1. 코드
class Solution {
public void reverseString(char[] s) {
for(int i = 0; i < s.length / 2; i++) {
char c = s[i];
s[i] = s[s.length - i - 1];
s[s.length - i - 1] = c;
}
}
}2. 설명
char 배열을 반으로 나누어 양끝부터 교환하여 완성합니다.
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