View Compilation Error

0_0_19117972_23501.cpp: In function 'int main()':
0_0_19117972_23501.cpp:141:18: error: expected primary-expression at end of input
    add_edge (u, v, 
                  ^
0_0_19117972_23501.cpp:141:18: error: expected '}' at end of input
0_0_19117972_23501.cpp:141:18: error: expected '}' at end of input
0_0_19117972_23501.cpp:141:18: error: expected '}' at end of input