void Queue push_back int if end max_size end if size max_size std cout

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++;
	}
}