View Compilation Error

0_0_39323514_19149.cpp: In function 'int main()':
0_0_39323514_19149.cpp:21:43: error: expected ')' before ';' token
   21 |                         maxn=max(maxn,a[i];)
      |                                 ~         ^
      |                                           )
0_0_39323514_19149.cpp:21:44: error: expected primary-expression before ')' token
   21 |                         maxn=max(maxn,a[i];)
      |                                            ^