完面向对象程序设计期末综合练习四(运行结果).doc

面向对象程序设计期末综合练习四（运行结果）
写出程序运行结果
1.#include<iostream.h>
#include<stdlib.h>
voidmain()
{
inta[8]={25,48,32,85,64,18,48,29};
intmax,min;
max=min=a[0];
for(inti=0;i<8;i++){
if(x>a[i])max=a[i];
if(x<a[i])min=a[i];
}
cout<<"max:"<<max<<endl;
cout<<"min:"<<min<<endl;
}
2.#include<iostream.h>
voidmain()
{
inta,b;
for(a=1,b=2;b<50;){
cout<<a<<''<<b<<'';
a=a+b;
b=a+b;
}
cout<<endl;
cout<<a<<''<<b<<''<<endl;
}

3.#include<iostream.h>
constintM=3,N=4;
voidmain()
{
inti,j,s=0;
for(i=1;i<=M;i++)
for(j=1;j<=N;j++)
s+=i*j;
cout<<”s=”<<s<<endl;
}
4.#include<iostream.h>
voidmain()
{
inta=2,b=5,c=0;
if(a+b>10)c=a*b;elsec=3*a+b;
if(c<=20)cout<<c*c;elsecout<<4+c-5;
cout<<endl;
a=a+b;b=a+b;c+=a+b;
cout<<"a,b,c="<<a<<','<<b<<','<<c<<endl;
}
5.#include<iostream.h>
voidmain()
{
intx=5;
switch(2*x-3){
case4:cout<<x<<’’;
case7:cout<<2*x+1<<’’;
case10:cout<<3*x-1<<’’;break;
default:cout<<"default"<<endl;
}
cout<<"switchend."<<endl;
}
6.#include<iomanip.h>
#include<math.h>
inta[4]={36,-5,73,8};
voidmain()
{
inti,y;
for(i=0;i<4;i++){
if(a[i]<0)y=1;
elseif(a[i]<10)y=a[i]*a[i]+3;
elseif(a[i]<60)y=4*a[i]-5;
elsey=int(sqrt(a[i]));//sqrt(x)为取x的平方根函数
cout<<setw(5)<<a[i]<<setw(5)<<y;
}
}
7.#include<iostream.h>
inta[8]={36,25,20,43,12,70,66,35};
voidmain()
{
ints0,s1,s2;
s0=s1=s2=0;
for(inti=0;i<8;i++){
switch(a[i]%3){
case0:s0+=a[i];break;
case1:s1+=a[i];break;
case2:s2+=a[i];break;
}
}
cout<<s0<<’’<<s1<<’’<<s2<<endl;
}
8.#include<iomanip.h>
constintN=5;
voidmain()
{
inti,p=1,s=0;
for(i=1;i<N;i++){
p=p*i;
s=s+p;
cout<<setw(5)<<i<<setw(5)<<p;
cout<<setw(5)<<s<<endl;
}
}
9.#include<iomanip.h>
constintM=20;
voidmain()
{
intc2,c3,c5;
c2=c3=c5=0;
for(inti=1;i<=M;i++){
if(i%2==0)c2++;
if(i%3==0)c3++;
if(i%5==0)c5++;
}
cout<<c2<<''<<c3<<''<<c5<<endl;
}
10.#include<iomanip.h>
voidmain()
{
inti,j;
for(i=0;i<5;i++){
for(j=i;j<5;j++)cout<<’*’;
cout<<endl;
}
}
11.#include<iostream.h>
voidmain()
{
for(inti