View Compilation Error

0_0_21470830_27433.cpp: In function 'int main()':
0_0_21470830_27433.cpp:26:17: error: expected primary-expression before ')' token
     que.push(doc);
                 ^
0_0_21470830_27433.cpp:28:16: error: expected primary-expression before ')' token
     ue.push(doc);
                ^