Make The String Great
给一个字符串, 定义一个字符串是good: 相邻的两个字符不是同样的一个字符的大小写. 问当删去所有的good后的字符串.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
class Solution { public String makeGood(String s) { if(s == null || s.length() == 1 || s.length() == 0) return s; boolean found = false; while(true) { found = false; for(int i = 0; i < s.length() - 1; i++) { if(s.charAt(i) != s.charAt(i+1) &&(Character.toUpperCase(s.charAt(i)) == s.charAt(i+1) || Character.toUpperCase(s.charAt(i+1)) == s.charAt(i))) { s = s.substring(0, i) + s.substring(i + 2, s.length()); found = true; } } if(!found) return s; } } } |