题目
有以下程序
struct STU
{ char num[10]; float score[3]; };
main()
{struct STU s[3]={{"20021",90,95,85},
{"20022",95,80,75},
{ "20023",100,95,90},
},*p=s;
int i; float sum=0;
for(i=0;i<3;i++)
sum=sum+p->score[i];
printf("%6.2f\n",sum);
}
程序运行后的输出结果是
A.260.00
B.270.00
C.280.00
D.285.00
第1题
A.zhang
B.zhao
C.wang
D.19
第2题
有以下程序 struct STU { char name[10]; int num; float TotalScore; }; vold f(struct STU *p) { struct STU s[2]={{"SunDan",20044,550),{"Penghua".20045,537}},*q=s ++p; ++q; *p=*q; } main() { struct SrU s[3]={{"YangSan",20041,703),{"LiSiGuo",20042,580}}; f(s); printf("%s %d %3.of\n",S[1].name,s[1].num,s[1].Totalscore); } 程序运行后的输出结果是
A.SunDan 20044 550
B.Penghua 20045 537
C.USiGuo 20042 580
D.SunDan 20041 703
第3题
有以下程序: #include <iostream> #include <string> using namespace std; class base { private: char baseName[10]; public: base () { strcpy (baseName, "Base"); } virtual char *myName() {
A.DerivedBase
B.BaseBase
C.DerivedDerived
D.BaseDerived
第4题
有以下程序
#include<stdio.h>
void fun(char**p)
{++p;printf("%s",*p);}
main
{char*a[]={"Morning","Afternoon","Evening"," Night");
fun(a);
}
程序的运行结果是()。
A.Afternoon
B.fternoon
C.Morning
D.orning
第5题
若有以下程序 structstu{char*name,gender;intscore;); main(){ structstua={NULL,m,290},b; a.name=(char*)malloc(10); strcpy(a.name,Zhao); b=a;b.gender=f;b.score=350; strcpy(b.name,“Qian”); printf(”%s,%c,%d,”,a.name,a.gender,a.score); printf(”%s,%c,%d\n”,b.name,b.gender,b.score);) 则程序的输出结果是
A.Zhao,m,290,Qian,f,350
B.Qian,f,350,Qian,f,350
C.Zhao,m,290,Zhao,f,350
D.Qian,m,290,Qian,f,350
第6题
有以下程序#include <iostream>using namespace std:class Base{private: char c;public: Base(char n) :c(n) {} ~Base () { cout<<c; }}; class Derived : public Base{private: char c;public: Derived(char n):Base (n+1),c(n) {} ~Derived() { cout<<c; }};int main(){ Derived obj('x'); return 0;} 执行后的输出结果是
A.xy
B.yx
C.x
D.y
第7题
以下程序的输出结果是【 】。
include<iostream. h>
void main()
{
char cha[3][5]={"AAAA","BBBB","CC"];
cout<<cha[1]<<end1;
}
第8题
有以下程序
#include <stdio.h>
#include <string.h>
typedef struct{ char name[9]; char sex; float score[2]; }STU;
void f(STU a)
{ STU b={"Zhao",′m′,850,900}; int i;
strcpy(a.name,b.name);
a.sex=b.sex;
for(i=0;i<2;i++) a.score[i]=b.score[i];
}
main()
{ STU c={"Qian",′f′,95.0,92.0};
f(c);
printf("%s,%c,%2.0f,%2.0f\n",c.name,c.sex,c.score[0],c.score[1]);
}
程序的运行结果是
A.Qian,f,95,92
B.Qian,m,85,90
C.Zhao,f,95,92
D.Zhao,m,85,90
第9题
有以下程序 #include<stdio.h> sub1(char a,char B) {char c;c=a;a=b;b=c;} sub2(char *a,char B) {char c;c=*a;*a=b;b=c;} sub3(char *a,char *B) {char c;c=*a;*a=*b;*b=c;} main() { cha,a,b; a='A';b='B';sub3(&a,&b) putchar(a);putchar(b); a='A';b='B';sub2(&a,b) ;putchar(a);putchar(b); a='A';b='B';sub1(a,b) ;putchar(a);putchar(b); } 程序运行后的输出结果是()
A.BABBAB
B.ABBBBA
C.BABABA
D.BAABBA
第10题
以下程序的输出结果是()。 #include<iostream> #include<stdlib> using namespace std; void func(char **m) { ++m; cout<<*m<<endl; } main() { static char *a[]={"MORNING","AFTERNOON","EVENING"); char **n; n=a; func(n); system("PAUSE"); return 0; }
A.为空
B.MORNING
C.AFTERNOON
D.EVENING
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