View Compilation Error

156068_0_31316.cpp:1: error: invalid token
156068_0_31316.cpp:1: error: expected constructor, destructor, or type conversion before '<' token
156068_0_31316.cpp:1: error: expected `,' or `;' before '<' token
156068_0_31316.cpp:6: error: expected constructor, destructor, or type conversion before ';' token
156068_0_31316.cpp: In function `int main()':
156068_0_31316.cpp:13: error: `node' undeclared (first use this function)
156068_0_31316.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
156068_0_31316.cpp:13: error: expected `;' before "p"
156068_0_31316.cpp:14: error: `scanf' undeclared (first use this function)
156068_0_31316.cpp:25: error: `edge' undeclared (first use this function)
156068_0_31316.cpp:71: error: `printf' undeclared (first use this function)