.\r(2) WXY (12) 3 (22) (tem,len,a(j])\r(3) Z[\] (13) 5 (23) x[i]==e\r(4) ^_`\] (14) 8 (24) x[size]=a[i]\r(5) abc (15) 10 60 (25) tem.x[i]=x[i]\r(6) 200 100 (16) 15 60 5 (26) size=a.size\r(7) 300 400 (17) y=15 (27) head->=pl\r(8) 6 (18) Z=40 (28) return head\r(9) 1 (19) p[i]=x;P p[c]=x (29) head->next=p2\r(10) 0 0 (20) P[j]=x P p[i]=x (30) p2=p2->next\rNOPQ*RSTU!