foo.cc: In function 'int main()':
foo.cc:20:2: error: expected initializer before 'bi'
  bi = q[n - k] % 10;
  ^~
foo.cc:21:2: error: 'ni' was not declared in this scope
  ni = q[n - k] / 100;
  ^~
foo.cc:21:2: note: suggested alternative: 'n'
  ni = q[n - k] / 100;
  ^~
  n
foo.cc:22:2: error: 'ma' was not declared in this scope
  ma = q[n - k] % 100 / 10;
  ^~
foo.cc:25:5: error: 'p' was not declared in this scope
  lv(p);
     ^

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