C++Primer Plus(第6版)中文版编程练习答案--第四章C++Primer Plus(第6版)中文版编程练习答案--第四章.pdf

注释：这些程序是唐刀在学习的时候编写的，其中可能存在错误和不足，大家 做个参考就好。 1. #includeiostream #includestring #includecstring usingnamespacestd; voidmain() { stringfirst_name; stringlast_name; coutwhatsyourfirstname?; getline(cin,first_name); coutwhatsyourlastname?; getline(cin,last_name); chargrade; coutwhatlettergradedoyoudeserve?; cingrade; intage; coutwhatisyourage?; cinage; coutname:last_name,first_nameendl; coutgrade:char(grade+1)endl; coutage:ageendl; } 2. #includeiostream #includestring #includecstring usingnamespacestd; voidmain() { stringname; stringdessert; 1 coutenteryourname:endl; getline(cin,name); coutenteryourfavouritedessert:endl; getline(cin,dessert); coutIhavesomedeliciousdessertforyou,nameendl; } 3. #includeiostream #includestring #includecstring usingnamespacestd; voidmain() { charfirst_name[20]; charlast_name[20]; coutenteryourfirstname:endl; cin.getline(first_name,20); coutenteryourlastname:endl; cin.getline(last_name,20); couthereistheinformationinasinglestring:strcat(strcat(first_name,,),last_name)endl; } 4. #includeiostream #includestring #includecstring usingnamespacestd; voidmain() { stringfirst_name; stringlast_name; coutenteryourfirstname:endl; getline(cin,first_name); 2 coutenteryourlastname:endl; getline(cin,last_name); couthereistheinformationinasinglestring:last_name+,+first_nameendl; } 5. #includeiostream #includestring #includecstring usingnamespacestd; voidmain() { structCandyBar { charname[20]; doubleweight; intcalary; }; CandyBarsnack= { MochaMunch, 2.3, 350 }; coutname:snack