View Compilation Error

0_0_39389832_25490.cpp:3:1: error: '::main' must return 'int'
    3 | void main()
      | ^~~~
0_0_39389832_25490.cpp: In function 'int main()':
0_0_39389832_25490.cpp:6:30: error: expected primary-expression before ')' token
    6 |         while (~scanf_s("%d",))
      |                              ^