one= "WORK"
two = ""
a = LEN ( one )
i = a
D.O WHILE i>=1
two = two + SUBSTR ( one ,i , 1 )
i=i - 1
E.NDDO
? two
[试题]下列程序的执行结果是______。STORE "" TO ASTORE.NULL.TO BSTORE O TO C? ISNULL(A),ISNULL(B),ISNULL(C),EMPTY(A),EMPTY(B),EMPTY?
[单选题]以下程序的输出结果是______。main(){ char w[] [10]={"ABCD","EFGH","IJKL","MNOP"),k; for(k=1;k<3;k++) printf("%s/n",w[k]);}A.ABCD FGH KL MB.ABCD EFG IJC.EFG JK OD.EFGH UKL
[单选题]下列程序段的执行结果是______。 i=0 For j = 10 To 19 Step 3 i=i+1 Next j Print IA.4B.5C.3D.6
[单选题]已知:X="AB",AB=100。命令&X+10的执行结果是()。A . XB . ABC . ABC58D . 110
[单选题]以下程序段的执行结果是( )。 int a,y: a=10;y=10 do{ a+=2: y+=a; cout<<“a”=“<<a<<”,“<<”y=“<<y<<”/n”; if(y>20)break; }while(a<=14);A.a=12,y=12B.a=12,y=12 a=14,y=1 a=16,y=28C.a=12,y=12D.a=12,y=12 a=14,y=26 a=14,y=44
[单选题]下列程序段的执行的结果是 Dim a(10),b(10) i=3 For j=1 To 5 a(j) =j b(i) =2 * i + j Next j Print b(i);a(i)A.11 3B.3 15C.3 11D.15 3
[单选题]执行如下程序: STORE " " TO ANS DO WHILE .T. @3,10 SAY "1.添加2.删除3.修改4.退出" @5,15 SAY "请输入选择:" GET ANS READ IF TYPE("ANS")="C".AND.VAL(ANS)<=3.AND.VAL(ANS)<>0 PROG="PROG"+ANS+".PR", DO &PROG ENDIF QUIT ENDDO 如果在“请输入选择:”时,键入4,则系统______。A.调用子程
[单选题]下列程序段执行后,执行的结果是______ 。 Dim M(10) Dim N(10) i=3 For j = 1 To 5 M(j) = j N(i) = 2 * i + j Next j Print N(i); M(i)A.12 4B.11 3C.3 11D.10 2
[单选题]阅读下列程序,则执行结果是#include "stdio.h"main(){int a=0,b=0,c=0,i;for(i=0;i <4;i++)switch(i){case 0:a=i++;case 1:b=i++;case 2:c=i++;case 3:i++;}printf("%d,%d,%d,%d\n",a,b,c,i);}A.0,1,3,4B.1,2,3,4C.0,1,2,5D.0,2,3,4
[单选题]以下程序的输出结果是( )。main{char str[]1-10]={"china","beijing"),*p=str;printf("%s\n",p+10);}A.ChinaB.BeijingC.ngD.ing