优化之 BI B2 (2)if1>10goto(16) B3 (3)t1:=2* 4)t2:=10*1 (5)t3:=2+t1(6)t4:=a0-11 (7)t5:=2 (8)t6:=10*1 (9)t7:=t6+t5(10)t8:=a0-11 11)t9:=t8[t7](12)t10:=t9+1 (13)4|t3]:=t10(14)n:=i+1 (15)goto(2) B4 (16)(1)i:=1 (2)if i>10 goto (16) (3)t1:=2*j (4)t2:=10*i (5)t3:=t2+t1 (6)t4:=a0-11 (7)t5:=2*j (8)t6:=10*i (9)t7:=t6+t5 (10)t8:=a0-11 (11)t9:=t8[t7] (12)t10:=t9+1 (13)t4[t3]:=t10 (14)i:=i+1 (15)goto (2) (16) …... 优化之前 B1 B2 B3 B4