View Compilation Error

0_0_10531825_2429.cpp: In function `int main()':
0_0_10531825_2429.cpp:65: error: `node' undeclared (first use this function)
0_0_10531825_2429.cpp:65: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10531825_2429.cpp:65: error: expected `;' before "start"