LeetCode 151 Reverse Words in a String
2016-08-09 17:33
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Given an input string, reverse the string word by word.
For example,
Given s = "
return "
public String reverseWords(String s) {
String[] str = s.split(" ");
StringBuffer sb = new StringBuffer();
for (int i = str.length - 1; i >= 0; i--) {
if (str[i].length() < 1) continue;
sb.append(' ').append(str[i]);
}
return sb.toString().trim();
}
For example,
Given s = "
the sky is blue",
return "
blue is sky the".
public String reverseWords(String s) {
String[] str = s.split(" ");
StringBuffer sb = new StringBuffer();
for (int i = str.length - 1; i >= 0; i--) {
if (str[i].length() < 1) continue;
sb.append(' ').append(str[i]);
}
return sb.toString().trim();
}
| Runtime: 3 ms beats 84.58% of javasubmissions. |
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