Heuristic (Informed) Search
3(N) = sum of permutation inversions = 4 + 6 + 3 + 1 + 0 + 2 + 0 + 0 = 16 is not admissible h(N) = number of misplaced tiles = 6 8-Puzzle Heuristics 4 1 7 5 2 3 6 8 STATE 4 6 7 1 5 2 8 3 18 h 1(N) = number of misplaced tiles = 6 is admissible h 2(N) = sum of the (Manhattan) distances of every tile to its goal position = 2 + 3 + 0 + 1 + 3 + 0 ...
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