/in/foo.cc: In function 'void calc(int)':
/in/foo.cc:21:1: error: expected primary-expression before '}' token
   21 | }
      | ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:47:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   47 |                         ans+=num[i][j];
      |                         ^~~
      |                         abs
/in/foo.cc:49:15: error: 'ans' was not declared in this scope; did you mean 'abs'?
   49 |         cout<<ans;
      |               ^~~
      |               abs