g1901_2000.s2000_reverse_prefix_of_word.Solution Maven / Gradle / Ivy
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Java Solution for LeetCode algorithm problems, continually updating
package g1901_2000.s2000_reverse_prefix_of_word;
// #Easy #String #Two_Pointers #2022_05_09_Time_0_ms_(100.00%)_Space_40.7_MB_(79.75%)
public class Solution {
public String reversePrefix(String word, char ch) {
int i = 0;
int j = word.indexOf(ch);
char[] charArr = word.toCharArray();
while (i < j) {
char temp = charArr[i];
charArr[i] = charArr[j];
charArr[j] = temp;
i++;
j--;
}
return String.valueOf(charArr);
}
}