View Compilation Error

0_0_39281624_1148.cpp:4:6: error: variable or field 'f' declared void
    4 | void f(n){
      |      ^
0_0_39281624_1148.cpp:4:8: error: 'n' was not declared in this scope
    4 | void f(n){
      |        ^
0_0_39281624_1148.cpp: In function 'int main()':
0_0_39281624_1148.cpp:19:9: error: 'f' was not declared in this scope
   19 |         f(n);
      |         ^