# BFS

<table><thead><tr><th width="76" data-type="checkbox"></th><th width="265">Problem</th><th width="80">Diff<select></select></th><th width="108">Data</th><th width="103" data-type="rating" data-max="5"></th><th>Flag</th></tr></thead><tbody><tr><td>false</td><td></td><td></td><td></td><td>null</td><td></td></tr></tbody></table>