View Compilation Error

0_0_26608611_28468.cpp: In function 'int main()':
0_0_26608611_28468.cpp:25:35: error: expected primary-expression before '<' token
         sort(roads, roads+n, cmp);<span style="white-space:pre">  </span>//以强盗数降序sort
                                   ^
0_0_26608611_28468.cpp:25:36: error: 'span' was not declared in this scope
         sort(roads, roads+n, cmp);<span style="white-space:pre">  </span>//以强盗数降序sort
                                    ^
0_0_26608611_28468.cpp:26:22: error: 'i' was not declared in this scope
         for(int i=0; i<n; i++)<span style="white-space:pre">   </span>//贪心
                      ^