0_0_16380957_17569.cpp: In function 'void IDAstar(int*, int, int)':
0_0_16380957_17569.cpp:70:30: error: 'dfs' was not declared in this scope
dfs(tmp,tmp_depth-1,i);
^
0_0_16380957_17569.cpp: In function 'int main()':
0_0_16380957_17569.cpp:83:27: error: 'dfs' was not declared in this scope
dfs(a,depth,-1);
^
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