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时间:2020-05-10
《中南大学C++程序设计实践思考题答案.doc》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、23实验1C++基础6.编写程序,输入某大写字母的ASCII码值,输出该字母的对应小写字母。#includeusingnamespacestd;intmain(){inti;cin>>i;if(i>=65&&1<=90)cout<#includeu
2、singnamespacestd;intmain(){floata,b,c;cout<<"请输入直角三角形的两条边长:";cin>>a>>b;c=sqrt(a*a+b*b);cout<<"直角三角形的斜边="<usingnamespacestd;intmain(){charc;2323cout<<"请输入一个字符:";cin>>c;if(c>
3、='A'&&c<='Z')c+='a'-'A';cout<usingnamespacestd;intmain(){floatgrade;cout<<"请输入成绩:";cin>>grade;if(grade>=60)cout<<"pass"<
4、#includeusingnamespacestd;intmain(){doublex,y;cout<<"请输入一个数x:";cin>>x;if(!x)y=cos(x)-pow(x,2)+3*x;elsey=sin(x)+sqrt(pow(x,2)+1)+3*x;cout<<"y="<usingnamespacestd;intmain(){charc;co
5、ut<<"Enteracharacterofnumbersbetween1and7:";cin>>c;switch(c){case'1':cout<<"Monday";break;case'2':cout<<"Tuesdag";break;case'3':cout<<"Wenesday";break;case'4':cout<<"Thursday";break;case'5':cout<<"Friday";break;case'6':cout<<"Saturday";break;case'7':cout<<"Su
6、nday";break;default:cout<<"wrongnumber";}cout<usingnamespacestd;intmain(){cout<<"输入简单的算术表达式:(数操作符数)";intleftOperand,rightOperand;charOperator;cin>>leftOperand>>Operator>>rightOperand;intresu
7、lt;switch(Operator){case'+':result=leftOperand+rightOperand;break;case'-':result=leftOperand-rightOperand;break;case'*':2323result=leftOperand*rightOperand;break;case'/':if(rightOperand!=0)result=leftOperand/rightOperand;else{cout<<"除数为0,除法不能进行"<8、;}break;default:cout<usingnamespace
8、;}break;default:cout<usingnamespace
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