View Compilation Error

625251_0_0_14523.cpp: In member function `void node::newnode(int, int)':
625251_0_0_14523.cpp:18: error: `ufo' undeclared (first use this function)
625251_0_0_14523.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
625251_0_0_14523.cpp: At global scope:
625251_0_0_14523.cpp:57: error: `node ufo[200000]' used prior to declaration