《c++程序设计》谭浩强_答案

return(m);
}
1.8题
#include <iostream>
using namespace std;
int main()
{
int a,b,c;
cin>>a>>b;
c=a+b;
cout<<"a+b="<<a+b<<endl;
return 0;
}
1.9题
#include <iostream>
using namespace std;
case 9: grade='A';break;
case 8: grade='B';break;
case 7: grade='C';break;
case 6: grade='D';break;
default:grade='E';
}
cout<<"score is "<<score<<", grade is "<<grade<<endl;
return 0;
}
2.8题
#include <iostream>
using namespace std;
int main()
{char c1='C', c2='h', c3='i', c4='n', c5='a';
c1+=4;
c2+=4;
c3+=4;
c4+=4;
c5+=4;
cout<<"password is:"<<c1<<c2<<c3<<c4<<c5<<endl;
cout<<(a||b+c && b-c)<<endl;
cout<<(!(a>b) && !c||1)<<endl;
cout<<(!(x=a) && (y=b) && 0)<<endl;
cout<<(!(a+b)+c-1 && b+c/2)<<endl;
return 0;
}
3.9题
include <iostream>
c1=getchar(); //将输入的第一个字符赋给c1
c2=getchar(); //将输入的第二个字符赋给c2
cout<<"用putchar函数输出结果为:";
putchar(c1);
putchar(44);
putchar(c2);
cout<<endl;
cout<<"用cout语句输出结果为:";
1.6题
#include <iostream>
using namespace std;
int main()
{
int a,b,c;
a=10;
b=23;
c=a+b;
cout<<"a+b=";
cout<<c;
cout<<endl;
return 0;
}
1.7七题
#include <iostream>
using namespace std;
int main()
{
int a,b,c;
int add(int x,int y);
cin>>a>>b;
c=add(a,b);
cout<<"a+b="<<c<<endl;
return 0;
}
int add(int x,int y)
{int z;
z=x+y;
return(z);
}
第二章
2.3题
#include <iostream>
using namespace std;
int main ( )
{int a,b,c;
cout<<"please enter three integer numbers:";
cin>>a>>b>>c;
if(a<b)
if(b<c)
cout<<"max="<<c;
elseቤተ መጻሕፍቲ ባይዱ
cout<<"max="<<b;
cout<<"enter an integer(0~99999):";
cin>>num;
if (num>9999)
place=5;
else if (num>999)
place=4;
else if (num>99)
place=3;
else if (num>9)
place=2;
else place=1;
}
else // x≥10
{y=3*x-11;
cout<<"x="<<x<<", y=3*x-11="<<y;
}
cout<<endl;
return 0;
}
3.11题
#include <iostream>
using namespace std;
int main ()
{float score;
char grade;
cout<<"place="<<place<<endl;
//计算各位数字
ten_thousand=num/10000;
thousand=(int)(num-ten_thousand*10000)/1000;
hundred=(int)(num-ten_thousand*10000-thousand*1000)/100;
using namespace std;
int main()
{char c1='C',c2='+',c3='+';
cout<<"I say: \""<<c1<<c2<<c3<<'\"';
cout<<"\t\t"<<"He says: \"C++ is very interesting!\""<< '\n';
using namespace std;
int main()
{char c1='a',c2='b',c3='c',c4='\101',c5='\116';
cout<<c1<<c2<<c3<<'\n';
cout<<"\t\b"<<c4<<'\t'<<c5<<'\n';
return 0;
}
2.4题
#include <iostream>
CCCCDFDSFFVGCCC
C++程序设计课后答案
袁俊南
袁俊
第一章
1.5题
#include <iostream>
using namespace std;
int main()
{
cout<<"This"<<"is";
cout<<"a"<<"C++";
cout<<"program.";
return 0;}
switch(place)
{case
5:cout<<ten_thousand<<","<<thousand<<","<<hundred<<","<<ten<<","<<indiv<<en
dl;
cout<<"reverse order:";
cout<<indiv<<ten<<hundred<<thousand<<ten_thousand<<endl;
return 0;
}第三章
3.2题
#include <iostream>
#include <iomanip>
using namespace std;