<span style="color:rgba(0, 0, 0, 0.87);font-family:Lato, "font-size:14px;white-space:normal;background-color:#FFFFFF;">1277:</span><a href="http://116.62.168.107/problem.php?id=1277" target="_blank" style="box-sizing:inherit;color:#4183C4;text-decoration-line:none;background-color:#FFFFFF;font-family:Lato, "font-size:14px;white-space:normal;">最短路径</a><br style="box-sizing:inherit;color:rgba(0, 0, 0, 0.87);font-family:Lato, "font-size:14px;white-space:normal;background-color:#FFFFFF;" />
1284:最短距离和路径问题
1286:城市之间的最短路
<span style="color:rgba(0, 0, 0, 0.87);font-family:Lato, "font-size:14px;white-space:normal;background-color:#FFFFFF;">1272:</span><a href="http://116.62.168.107/problem.php?id=1272" target="_blank" style="box-sizing:inherit;color:#4183C4;text-decoration-line:none;background-color:#FFFFFF;font-family:Lato, "font-size:14px;white-space:normal;">最少交通费</a>
学完邻接表之后，对以上题目进行改写。
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