写出下列程序段的输出结果_____________________。(队列中的元素类型QElemType为char)。void main( ){Queue Q; Init Queue (Q);char x=’a’; y=’e’;EnQueue (Q,’x’); EnQueue (Q,’m’); EnQueue (Q, y);DeQueue (Q,x); EnQueue (Q,x);DeQueue (Q,x); EnQueue (Q,’a’);while(!QueueEmpty(Q)){ DeQueue (Q,y);printf(y); };Printf(x);}