作者Standpoint (旋风企鹅)
看板NTU-Exam
标题[试题] 100下 陈敏璋 计算机概论 期末考
时间Fri Oct 25 17:34:50 2013
课程名称︰计算机概论
课程性质︰必修
课程教师︰陈敏璋
开课学院：工学院
开课系所︰材料系
考试日期（年月日）︰101.6.15
考试时限（分钟）：180 分钟
是否需发放奖励金：是
（如未明确表示，则不予发放）
试题 :
1. (5%) do while 回圈
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int i=0;
do{
if(i%2==1)
cout << i << "is an odd number" << endl;
i++;
}while(i<10);
system("pause");
return 0;
}
请写出此程式输出的结果
2. (5%) 指标
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int x=1,y=2,z=3;
int *ip;
ip=&x;
z=*ip;
*ip=y;
ip=&y;
*ip=z;
cout << "*ip=" << *ip << endl;
system("pause");
return 0;
}
请写出此程式输出的结果
3. (5%) 条件运算子
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int a=1,b=11,z;
z=(a>b)?a:b;
cout << z << endl;
system("pause");
return 0;
}
请写出此程式输出的结果
4. (5%) 指标与阵列
#include <iostream>
#include <ctsdlib>
using namespace std;
int main(void)
{
int a[5],i,f;
for(i=0;i<=4;i++)
a[i]=5-i;
f=*a+a[1]+*(a+2)+(*a+3);
cout << f << endl;
system("pause");
return 0;
}
请写出此程式输出的结果
5. (5%) 指标与动态记忆体配置
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int array_size = 10;
int *a;
a = new int[array_size];
int i;
for(i=0;i<array_size;i++)
a[i]=i;
while (*a<9)
{
a++
cout << *a+1 << " ";
}
cout << endl;
delet []a;
system(:pause");
return 0;
}
请写出此程式输出的结果
6. (5%) 传址
#include <iostream>
#include <cstdlib>
using namespace std;
void CallbyAddress(int*,int*);
int main(void)
{
int a, b;
a=100,b=200;
cout << a << " " << b << endl;
cout << &a << " " << &b << endl;
CallbyAddress(&a,&b);
cout << a << " " << b << endl;
cout << &a << " " << &b << endl;
system(:pause");
return 0;
}
void CallbyAddress(int *x,int *y)
{
*x=60;
*y=*x+*y-30;
cout << x << " " << y << endl;
cout << *x << " " << *y << endl;
}
若主程式中变数a和b的记忆体位址分别为1245064与1245060，请写出此程式输出的结果
7. (5%) break
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int s;
for(x=1;x<=10;x++)
{
if(x==5)
break;
cout << x << endl;
}
system("pause");
return 0;
}
请写出此程式输出的结果
8. (5%) coutinue
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int y;
for(y=1;y<=10;y++)
{
if(y==5)
continue;
cout << y << endl;
}
system("pause");
return 0;
}
请写出此程式输出的结果
9. (5%) for回圈与阵列
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int array[4][4],x,y;
for(x=0;x<4;x++)
for(y=0;y<4;y++)
array[x][y]=x+y;
for(x=0;x<4;x++)
{
for(y=0;y<4;y++)
cout << array[x][y] << " ";
cout << endl;
}
system("pause");
return 0;
}
请写出此程式输出的结果
10. (5%) 字元指标阵列
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
char *name[5]={"John","Kent","Mary","Jack","Tom"};
int score[5]={90,80,70,80,90};
int n, sum = 0;
float avg;
for(n=0;n<=4;n++)
{
sum=sum+score[n];
cout << name[n] << " " << score[n] << endl;
}
avg=(float)sum/5;
cout << "Average=" << avg << endl;
system("pause");
return 0;
}
请写出此程式输出的结果
11. (5%) 巨集
#include <iostream>
#include <cstdlib>
using namespace std;
#define x 5+3
int main(void)
{
int i=3,j=4;
cout << i*x+j << endl;
system("pause");
return 0;
}
请写出此程式输出的结果
12. (5%) 函式传回值为指标
#include <iostream>
#include <cstdlib>
using namespace std;
int *ABC(int *);
int main(void)
{
int a[5]={3,1,7,2,6};
int *ptr;
ptr = ABC(a);
cout << "ptr << endl;
system(:pause");
return 0;
}
int *ABC(int *arr)
{
int i, *k;
k=arr;
for(i=1;i<5;i++)
if(*k<*(arr+i))
k=arr+i;
return k;
}
请写出此程式输出的结果
13. (5%) 二维阵列与指标
#include <iostream>
#include <cstdlib>
using namespace std;
int main(void)
{
int num[3][4]={{12,23,42,18},
{43,22,16,14},
{31,13,19,28}};
int m,n;
for(m=0;m<3;m++)
{
for(n=0;n<4;n++)
{
if( *(*(num+n)+n)>40)
*(*num+m)+n)=40;
cout << *(*(num+m)+n) << " ";
}
cout << endl;
}
system("pause");
return 0;
}
请写出此程式输出的结果
14. (5%) 传递函数到其他函数中
#include <iostream>
#include <cstdlib>
using namespace std;
double triangle(double, double), rectangle(double, double);
void showarea(double, double, double (*pf)(double, double));
int main(void)
{
cout << "triangle(6,3.2)=";
showarea(6,3.2, triangle);
cout << "rectangle(4,6.1)=";
showarea(4,6.1,rectangle);
system("pause");
return 0;
}
double triangle(double base, double height)
{
return (base*height/2);
}
double rectangle(double height, double width)
{
return (height*width);
}
void showarea(double x, double y, double (*pf)(double,double))
{
cout << (*pf)(x,y) << endl;
return;
}
请写出此程式输出的结果
15. (5%) 函数传回值为参照
#include <iostream>
#include <cstdlib>
using namespace std;
int &max(int &, int &);
int main(void)
{
int i=10,j=20;
max(i,j)=100;
cout << "i=" << i << ",j=" << j << endl;
system("pause");
return 0;
}
int &max(int &a, int &b)
{
if(a>b)
return a;
else
return b;
}
请写出此程式输出的结果
16. (5%) 结构与函数
#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;
struct mydata
{
string name;
int age;
};
void func(struct mydata);
int main(void)
{
struct mydata woman = {"Mary Wu",5};
cout << "Before process..." << endl;
cout << "Im main(), " << woman.name;
cout << "'s age is " << woman.age << endl;
cout << "After process..." << endl;
func(woman);
cout << "Inmain(), " << woman.name;
cout << "'s age is " << woman.age << endl;
system("pause");
return 0;
}
void func(struct mydata a)
{
a.age=a.age+10;
cout << "In func(), " << a.name;
cout << "'s age is " << a.age << endl;
return;
}
请写出此程式输出的结果
17. (5%) 类别
#include <iostream>
#include <cstdlib>
using namespace std;
class CWin
{
private:
char id;
int width;
int height;
int area(void)
{
return (width*height-600);
}
public:
void show_area(void)
{
cout << "Window " << id << ",area = " << area() << endl;
}
void set_data(char i,int w, int h)
{
id=i;
if(w>0 && h>0)
{
width = w;
height = h;
}
else
cout << "input erroe" << endl;
}
};
int main(void)
{
CWin win1;
win1.set_data('B',30,40);
win1.show_area();
system("pause");
return 0;
}
请写出此程式输出的结果
18. (10%) switch ... case
请用switch ... case叙述设计一完整的城市，依照分数给予相对的评语
分数 评语
80-100 You got A !
70-79 You got B !
60-69 You got C !
0-59 You got D !
其他 Error Input ! (0-100)!
19. (15%) 递回函数
以递回函数的方式设计一完整的程式，求1+2+......+100之值
(若使用回圈设计此程式则得一半的分数 (8%))
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