Question 1 - Depth first search

Question 1 - Depth first search - Depth first search GOAL...

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Unformatted text preview: Depth first search. GOAL STATE = ABC H~D GFE ~ denotes a empty space. NL = Node Level [U] = UP; [D] = Down; [L] = Left; [R] = Right – Denotes the direction the blank space was moved to arrive at the current position. Hueristic: Do not search deeper than six nodes. STEP STATE Queue Notes 1 BHC AFD G~E [NULL] Root node 2 BHC AFD G~E 2(BHC AFD ~GE[L]; BHC A~D GFE[U]; BHC AFD GE~[R];); 3 BHC AFD ~GE[L] 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 4 BHC AFD ~GE[L] 3(BHC ~FD AGE [U];); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 5 BHC ~FD AGE[U] 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 6 BHC ~FD AGE[U] 4(~HC BFD AGE[U]; BHC F~D AGE[R];); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 7 ~HC BFD AGE[U] 4(BHC F~D AGE[R];); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 8 ~HC BFD AGE[U] 5(H~C BFD AGE[R]); 4(BHC F~D AGE[R]); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 9 H~C BFD AGE[R] 4(BHC F~D AGE[R]); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); 10 H~C BFD AGE[R] 6(HC~ BFD AGE[R], HFC B~D AGE[D]); 4(BHC F~D AGE[R];); 2(BHC A~D GFE[U]; BHC AFD GE~[R];); Reached NL 6 11 BHC F~D AGE[R]...
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Question 1 - Depth first search - Depth first search GOAL...

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