printf displays something weird

Question

There is such code:

#include 

int main() {
  float d = 1.0;
  int i = 2;
  printf(\"%d %d\", d, i);
  getchar();
  return 0;
}

Answer 1

Is it signed or unsigned?

Use this as a reference: http://www.lix.polytechnique.fr/~liberti/public/computing/prog/c/C/FUNCTIONS/format.html