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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
sclass SimpleCircularBuffer { A[] buffer; long base; int size; *(int capacity) { buffer = new A[capacity]; } void add(A a) { if (size == buffer.length) { --size; ++base; } buffer[(int) ((base+size) % buffer.length)] = a; ++size; } A get(long pos) { if (pos < base || pos >= base+size) null; ret buffer[(int) ((pos-base) % buffer.length)]; } }