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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 int indexOfFirstChange(L l) { int n = l(l); if (n < 2) ret -1; O value = l.get(0); for (int i = 1; i < n; i++) if (neq(value, l.get(i))) ret i; ret -1; }