View Compilation Error

0_0_10954440_32071.cpp: In member function `bool A::operator<(const A&) const':
0_0_10954440_32071.cpp:10: error: expected `;' before '}' token
0_0_10954440_32071.cpp: In function `int main()':
0_0_10954440_32071.cpp:71: error: `edge' undeclared (first use this function)
0_0_10954440_32071.cpp:71: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10954440_32071.cpp:71: error: `sort' undeclared (first use this function)