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0_0_25187498_24626.cpp:53:17: error: expected '}' at end of input
   build ((depth + 
                 ^
0_0_25187498_24626.cpp: In member function 'void kd_tree<MAXN, MAXK>::build(const int&, int&, const int&, const int&)':
0_0_25187498_24626.cpp:53:17: error: expected primary-expression at end of input
0_0_25187498_24626.cpp:53:17: error: expected ')' at end of input
0_0_25187498_24626.cpp:53:17: error: expected '}' at end of input
0_0_25187498_24626.cpp: At global scope:
0_0_25187498_24626.cpp:53:17: error: expected unqualified-id at end of input