View Compilation Error

0_0_38769466_20031.cpp:1:6: error: expected constructor, destructor, or type conversion before '(' token
    1 | scanf("%d", &n);
      |      ^
0_0_38769466_20031.cpp:2:1: error: expected unqualified-id before 'for'
    2 | for (int i=1; i<=n; i++) {
      | ^~~
0_0_38769466_20031.cpp:2:15: error: 'i' does not name a type
    2 | for (int i=1; i<=n; i++) {
      |               ^
0_0_38769466_20031.cpp:2:21: error: 'i' does not name a type
    2 | for (int i=1; i<=n; i++) {
      |                     ^