// CH1608.cpp : 定義控制臺應用程序的入口點。 //#include "stdafx.h" #include <string> #include <vector> #include <iostream> using namespace std;struct Review{std::string title;int rating; };bool FillReview(Review &rr); //輸入Review對象 void ShowReview(const Review &rr); //輸出Review對象int _tmain(int argc, _TCHAR* argv[]) {vector<Review> books;Review temp;while( FillReview(temp) )books.push_back(temp);int num=books.size();if(num>0){cout<<"Thank you ,you entered the following:\n"<<"Rating\tBook\n";for(int i=0;i<num;i++){ShowReview(books[i]);}cout<<"Reprising:\n"<<"Rating\tBook\n";vector<Review>::iterator pr;for(pr=books.begin();pr!=books.end();pr++)ShowReview(*pr);vector <Review>oldlist(books); //copy constructor usedif(num>3){//remove 2 items 移除兩項books.erase(books.begin()+1,books.begin()+3);cout<<"After erasure:\n";for(pr=books.begin();pr!=books.end();pr++)ShowReview(*pr);//insert 1 items插入一項數據books.insert(books.begin(),oldlist.begin()+1,oldlist.begin()+2);cout<<"After insert:\n";for(pr=books.begin();pr!=books.end();pr++)ShowReview(*pr); }books.swap(oldlist); //交換兩個容器的內容cout<<"swapping oldlist with boos:\n";for(pr=books.begin();pr!=books.end();pr++){ShowReview(*pr);}}//end if(num>0)else{cout<<"Nothing entered,nothing gained.\n";}return 0; } bool FillReview(Review & rr) {cout<<"Enter book title(quit to quit):";getline(cin,rr.title);if(rr.title == "quit"){return false;}cout<<"Enter book rating:";cin>>rr.rating;if(!cin){return false;}while(cin.get() != '\n')continue;return true; } void ShowReview(const Review &rr) {cout<<rr.rating<<"\t"<<rr.title<<endl; }

運行效果如下

轉載于:https://www.cnblogs.com/Manual-Linux/p/9543470.html

總結

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