yle="text-indent: 24pt"><span style="font-size: medium">输出文件有N行，每行为一个整数。第i行的整数P<sub>i</sub>表示，第i个飞弹发射点负责消灭第P<sub>i</sub>个地堡</span></div></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: hidden;"><h4>样例输入</h4><div class="ui existing segment"><pre style="margin-top: