View Compilation Error

0_0_28849623_21173.cpp: In function 'int main()':
0_0_28849623_21173.cpp:69:22: error: expected primary-expression before '<' token
         str[len] = 0;<span> </span>//我的破板子必须要加这个不然wa
                      ^
0_0_28849623_21173.cpp:69:23: error: 'span' was not declared in this scope
         str[len] = 0;<span> </span>//我的破板子必须要加这个不然wa
                       ^
0_0_28849623_21173.cpp:69:29: error: expected primary-expression before '<' token
         str[len] = 0;<span> </span>//我的破板子必须要加这个不然wa
                             ^
0_0_28849623_21173.cpp:69:30: error: expected primary-expression before '/' token
         str[len] = 0;<span> </span>//我的破板子必须要加这个不然wa
                              ^