View Compilation Error

0_0_16430327_26687.cpp:48:21: error: expected '}' at end of input
         queue<int> q;
                     ^
0_0_16430327_26687.cpp: In member function 'void Spfa::spfa(int, Edge*, int*)':
0_0_16430327_26687.cpp:48:21: error: expected '}' at end of input
0_0_16430327_26687.cpp: At global scope:
0_0_16430327_26687.cpp:48:21: error: expected unqualified-id at end of input