Как прибавить очереди через перегрузку

Question

https://code.sololearn.com/cUkUrVd6YUmF/?ref=app

Answer 1

Hope this will work fine

https://code.sololearn.com/cW3iH26gMD5J/?ref=app

Answer 2

In line no 39 try this
Queue operator + (Queue q3){
return q3;
};

Answer 3

Is it working

Answer 4

Yup

Answer 5

Its not working

Answer 6

Thanks