gment font-content"><div style="position: relative; overflow: hidden;"><p><img height="752" width="776" alt="" src="upload/201304/1(5).jpg" /></p></div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输入格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content><p><span style="font-size: medium">第一行为两个空格隔开的正整数n, m，表示旅行的城市数与旅行所花�