void Queue::push_back(int e) {
if(end == max_size) {
end = 0;
if(size>=max_size) std::cout<<"Queue overflow"<<std::endl;
else {
size ++;
queue[end] = e;
end++;
}
}
else {
if(size>=max_size) std::cout<<"Queue overflow"<<std::endl;
else {
size ++;
queue[end] = e;
end++;
}
}
}
void Queue::push_back(int e) {
if(end == max_size) end = 0;
if(size>=max_size) std::cout<<"Queue overflow"<<std::endl;
else {
size ++;
queue[end] = e;
end++;
}
}