Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 2
Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 2
bool(false)
Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 3
Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 3
bool(false)
Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 4
Notice: Use of undefined constant INF - assumed 'INF' in /in/DWVAO on line 4
bool(true)