/in/foo.cc: In function 'int main()':
/in/foo.cc:7:16: error: expected identifier before numeric constant
    7 |         int a=[100000];
      |                ^~~~~~
/in/foo.cc: In lambda function:
/in/foo.cc:7:23: error: expected '{' before ';' token
    7 |         int a=[100000];
      |                       ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:7:15: error: invalid user-defined conversion from 'main()::<lambda()>' to 'int' [-fpermissive]
    7 |         int a=[100000];
      |               ^~~~~~~~
/in/foo.cc:7:15: note: candidate is: 'main()::<lambda()>::operator void (*)()() const' (near match)
    7 |         int a=[100000];
      |               ^
/in/foo.cc:7:15: note:   no known conversion from 'void (*)()' to 'int'
/in/foo.cc:8:13: error: conflicting declaration 'int a [0]'
    8 |         int a[0]=1;
      |             ^
/in/foo.cc:7:13: note: previous declaration as 'int a'
    7 |         int a=[100000];
      |             ^
/in/foo.cc:9:13: error: conflicting declaration 'int a [1]'
    9 |         int a[1]=3;
      |             ^
/in/foo.cc:7:13: note: previous declaration as 'int a'
    7 |         int a=[100000];
      |             ^
/in/foo.cc:12:18: error: invalid types 'int[int]' for array subscript
   12 |                 a[i]=(a[i-1]*2+k;
      |                  ^
/in/foo.cc:12:24: error: invalid types 'int[int]' for array subscript
   12 |                 a[i]=(a[i-1]*2+k;
      |                        ^
/in/foo.cc:12:33: error: expected ')' before ';' token
   12 |                 a[i]=(a[i-1]*2+k;
      |                      ~          ^
      |                                 )
/in/foo.cc:18:16: error: invalid types 'int[int]' for array subscript
   18 |         cout<<a[n-1];
      |                ^
/in/foo.cc:5:13: warning: unused variable 'i' [-Wunused-variable]
    5 |         int i,j,n,k=-1;
      |             ^
/in/foo.cc:5:15: warning: unused variable 'j' [-Wunused-variable]
    5 |         int i,j,n,k=-1;
      |               ^