0_0_21279307_4599.cpp: In member function 'void Tree::find(int, int)':
0_0_21279307_4599.cpp:41:23: error: 'u' was not declared in this scope
find(node[u].child[0],y);
^
0_0_21279307_4599.cpp:43:24: error: 'u' was not declared in this scope
else if ( node[u].value<y)
^
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