Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 spear
(1, 1, D:1)
  a quokka corpse (skeletalised by now)
(3, 12, D:1)
  a +0 spear
(5, -34, D:1)
  a gold piece
(5, -33, D:1)
  a gold piece
(6, -33, D:1)
  a gold piece
(7, -34, D:1)
  a gold piece
(7, -27, D:1)
  a +0 dagger
  a goblin corpse
(8, -33, D:1)
  a +0 whip
(8, -31, D:1)
  a ball python corpse
(8, -30, D:1)
  a hobgoblin corpse
(9, -34, D:1)
  a +0 club (still there?)
  a kobold corpse (still there?)
(9, -27, D:1)
  a +0 short sword
  3 stones
(10, -34, D:1)
  a +0 club (still there?)
  a goblin corpse (still there?)
(10, -11, D:1)
  a rat corpse (skeletalised by now)
(13, -27, D:1)
  a ball python corpse
(18, -18, D:1)
  a +0 short sword
(20, -16, D:1)
  9 gold pieces

Level 2 of the Dungeon
(0, 0, D:2)
  3 scrolls of identify
(2, 9, D:2)
  a +0 leather armour
(4, 5, D:2)
  a dart slug corpse
(8, 24, D:2)
  a +2 vampiric short sword
(10, 3, D:2)
  12 arrows
(11, 29, D:2)
  a +0 club
(12, 27, D:2)
  a +0 short sword
  a kobold corpse
  a ball python corpse
(13, 10, D:2)
  an adder corpse