foo.cc:2:5: error: expected unqualified-id before 'while'
    2 |     while (t--) {
      |     ^~~~~
foo.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
foo.cc: In function 'int main()':
foo.cc:12:5: error: 'saklan' was not declared in this scope
   12 |     saklan
      |     ^~~~~~
foo.cc:16:5: error: 'solve' was not declared in this scope
   16 |     solve();
      |     ^~~~~