View Compilation Error

0_0_32865148_6589.cpp: In function 'int main()':
0_0_32865148_6589.cpp:36:34: error: expected primary-expression before '<' token
    sort(mat[i]+1,mat[i]+1+n,cmp);<span style="white-space:pre"> </span>//排序为了保证进入队列时，位置是递增的
                                  ^
0_0_32865148_6589.cpp:36:35: error: 'span' was not declared in this scope
    sort(mat[i]+1,mat[i]+1+n,cmp);<span style="white-space:pre"> </span>//排序为了保证进入队列时，位置是递增的
                                   ^