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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
sS reversedSubstring(S s, int x, int y) { if (s == null) null; if (x < 0) x = 0; if (x >= s.length()) ret ""; if (y < x) y = x; y = Math.min(y, s.length()); // TODO: Is this actually faster than reversed(substring(...))? char[] chars = new[y-x]; int j = y-x; for (int i = x; i < y; i++) chars[--j] = s.charAt(i); ret String.valueOf(chars); }