View Compilation Error

0_0_38834522_8977.cpp:3:1: error: '::main' must return 'int'
    3 | void
      | ^~~~
0_0_38834522_8977.cpp: In function 'int main()':
0_0_38834522_8977.cpp:35:6: error: 'getch' was not declared in this scope; did you mean 'getc'?
   35 |      getch();
      |      ^~~~~
      |      getc