View Compilation Error

0_0_2548559_27091.cpp:20: error: `less' has not been declared
0_0_2548559_27091.cpp:20: error: expected `>' before '<' token
0_0_2548559_27091.cpp:20: error: expected unqualified-id before '>' token
0_0_2548559_27091.cpp:20: error: expected `;' before '>' token
0_0_2548559_27091.cpp:109: error: expected constructor, destructor, or type conversion before '<' token
0_0_2548559_27091.cpp:109: error: expected `,' or `;' before '<' token
0_0_2548559_27091.cpp: In function `void qpush(NODE&)':
0_0_2548559_27091.cpp:114: error: `gmap' undeclared (first use this function)
0_0_2548559_27091.cpp:114: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2548559_27091.cpp: In function `int solve(char*)':
0_0_2548559_27091.cpp:180: error: `gmap' undeclared (first use this function)