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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
static S wordAroundIndex(S s, int i) { int j = i; while (i > 0 && isLetterOrDigit(s.charAt(i-1))) --i; while (j < l(s) && isLetterOrDigit(s.charAt(j))) ++j; ret substring(s, i, j); }