View Compilation Error

0_0_37466799_731.cpp: In function 'void solve()':
0_0_37466799_731.cpp:9:12: error: 'std::make_pair' does not have class type
 #define mp make_pair
            ^
0_0_37466799_731.cpp:16:5: note: in expansion of macro 'mp'
     mp.clear();
     ^