View Compilation Error

0_0_26619770_29257.cpp:16:14: error: expected unqualified-id before '<' token
 sa N[500100];<span style="color:#ff0000;">//这个地方不能写在main函数里面，就因为这个，我找了将近一天啊！！！！</span>
              ^
0_0_26619770_29257.cpp: In function 'int main()':
0_0_26619770_29257.cpp:41:20: error: 'cmp1' was not declared in this scope
         sort(N,N+n,cmp1);
                    ^