ass="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><div><span style="font-family: monospace; font-size: 14px; white-space: pre-wrap;">A single integer indicating how many groups remain after T minutes.<br />
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<p></p></div></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">样例</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hi