/in/foo.cc:3:13: error: conflicting declaration 'int n'
    3 | int n[10],h,n=0,i;
      |             ^
/in/foo.cc:3:5: note: previous declaration as 'int n [10]'
    3 | int n[10],h,n=0,i;
      |     ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:11:15: error: 'a' was not declared in this scope
   11 |         if(h>=a[i]++)
      |               ^
/in/foo.cc:12:9: error: lvalue required as increment operand
   12 |         n++;
      |         ^