View Compilation Error

0_0_39574914_23196.cpp:6:1: error: expected ',' or ';' before 'int'
    6 | int a[maxn];
      | ^~~
0_0_39574914_23196.cpp: In function 'int main()':
0_0_39574914_23196.cpp:14:37: error: 'a' was not declared in this scope
   14 |                         scanf("%d",&a[i]);
      |                                     ^
0_0_39574914_23196.cpp:15:22: error: 'a' was not declared in this scope
   15 |                 sort(a,a+n);
      |                      ^