View Compilation Error

0_0_4254714_4116.cpp: In function `void insert(int, int, int)':
0_0_4254714_4116.cpp:17: error: `node' undeclared (first use this function)
0_0_4254714_4116.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4254714_4116.cpp:17: error: expected `;' before '{' token