这是一个打字程序

#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<cmath>
#include<bitset>
#include<iomanip>
#include<sstream>
#include<vector>
#include<ctime> // 添加ctime头文件
#include<cstdlib> // 添加cstdlib头文件

using namespace std;

int main(){
    // 修改初始化方式，使用push_back逐个添加元素
    vector<string> list1;
    list1.push_back("come");
    list1.push_back("do");
    list1.push_back("get");
    list1.push_back("give");
    list1.push_back("go");
    list1.push_back("have");
    list1.push_back("help");
    list1.push_back("keep");
    list1.push_back("make");
    list1.push_back("look");
    list1.push_back("put");
    list1.push_back("send");
    list1.push_back("take");
    list1.push_back("turn");
    list1.push_back("play");
    list1.push_back("apple");
    list1.push_back("banana");
    list1.push_back("careful");
    list1.push_back("danger");
    list1.push_back("congratulations");
    list1.push_back("Mathematics");
    list1.push_back("be good at");
    list1.push_back("do well in");
    list1.push_back("classroom");
    list1.push_back("teacher");
    list1.push_back("student");
    list1.push_back("pencil");
    list1.push_back("TV");
    list1.push_back("computer");
    list1.push_back("desk");
    list1.push_back("chair");
    list1.push_back("textbook");
    list1.push_back("blackboard");
    list1.push_back("boy");
    list1.push_back("girl");
    list1.push_back("window");
    list1.push_back("door");
    list1.push_back("homework");
    list1.push_back("schoolbag");
    list1.push_back("question");
    list1.push_back("answer");
    list1.push_back("key");
    list1.push_back("solution");
    list1.push_back("page");
    list1.push_back("exam");
    list1.push_back("partner");
    list1.push_back("do one's best");
    list1.push_back("graduation ceremony");
    list1.push_back("make friends");
    list1.push_back("China");
    list1.push_back("Amercia");
    list1.push_back("England");
    list1.push_back("Japan");
    list1.push_back("Canada");
    list1.push_back("Mexico");
    list1.push_back("Australia");
    list1.push_back("country");
    list1.push_back("nation");
    list1.push_back("province");
    list1.push_back("ice cream");
    list1.push_back("world");
    list1.push_back("culture");
    list1.push_back("social");
    list1.push_back("artwork");
    list1.push_back("group");
    list1.push_back("team");
    list1.push_back("beautiful");
    list1.push_back("catch");
    list1.push_back("bird");
    list1.push_back("have a good day");
    list1.push_back("uncertain ");
    list1.push_back("sure");
    list1.push_back("first of all");
    list1.push_back("just then");
    list1.push_back("make a noise");
    list1.push_back("laugh at");
    list1.push_back("in fact");
    list1.push_back("for example");
    list1.push_back("fall asleep");
    list1.push_back("clean");
    list1.push_back("conversation");
    list1.push_back("copy");
    list1.push_back("correct");
    list1.push_back("comfortable");
    list1.push_back("communicate");
    list1.push_back("compare");
    list1.push_back("cotton");
    list1.push_back("code");
    list1.push_back("cool");
    list1.push_back("instead of");
    list1.push_back("look over");
    list1.push_back("wake up");
    list1.push_back("take exercise");
    list1.push_back("sooner or later");
    list1.push_back("keep a diary");
    list1.push_back("run after");
    list1.push_back("get back");
    list1.push_back("used to be");
    list1.push_back("by the side of");

    vector<string> list2;
    list2.push_back("A");
    list2.push_back("B");
    list2.push_back("C");
    list2.push_back("D");
    list2.push_back("E");
    list2.push_back("F");
    list2.push_back("G");
    list2.push_back("H");
    list2.push_back("I");
    list2.push_back("J");
    list2.push_back("K");
    list2.push_back("L");
    list2.push_back("M");
    list2.push_back("N");
    list2.push_back("O");
    list2.push_back("P");
    list2.push_back("Q");
    list2.push_back("R");
    list2.push_back("S");
    list2.push_back("T");
    list2.push_back("U");
    list2.push_back("V");
    list2.push_back("W");
    list2.push_back("X");
    list2.push_back("Y");
    list2.push_back("Z");
    list2.push_back("a");
    list2.push_back("b");
    list2.push_back("c");
    list2.push_back("d");
    list2.push_back("e");
    list2.push_back("f");
    list2.push_back("g");
    list2.push_back("h");
    list2.push_back("i");
    list2.push_back("j");
    list2.push_back("k");
    list2.push_back("l");
    list2.push_back("m");
    list2.push_back("n");
    list2.push_back("o");
    list2.push_back("p");
    list2.push_back("q");
    list2.push_back("r");
    list2.push_back("s");
    list2.push_back("t");
    list2.push_back("u");
    list2.push_back("v");
    list2.push_back("w");
    list2.push_back("x");
    list2.push_back("y");
    list2.push_back("z");
    
    while(1){
        cout<<"===================================="<<endl;
        cout<<"打字程序"<<endl;
        cout<<"===================================="<<endl;
        cout<<"1.字母打字"<<endl;
        cout<<"2.单词打字"<<endl;
        cout<<"3.段落打字"<<endl;
        cout<<"===================================="<<endl;
        cout<<"请输入你的选择：";
        int a;
        double s=0;
        double l;
        cin>>a;
        system("cls");
        if(a==2){
            string q;
            srand(time(0));
            cin.ignore(); // 清除输入缓冲区
            for(int i=1;i<11;i++){
                cout<<"============================================================================================================"<<endl;
                cout<<"单词打字练习     "<<i<<"/10   分数："<<s<<endl;
                cout<<"============================================================================================================"<<endl;
                int b;
                string c;
                b=rand()%(list1.size());
                cout<<"拼写单词:"<<list1[b]<<endl;
                getline(cin,c);
                if(c==list1[b]){
                    cout<<"√     加10分"<<endl;
                    s+=10;
                }else{
                    cout<<"×"<<endl;
                }
                system("pause");
                system("cls");
            }
            cout<<"============================================================================================================"<<endl;
            cout<<"单词打字练习"<<endl;
            cout<<"============================================================================================================"<<endl;
            cout<<"分数："<<s<<endl;
            l=s/100.0*100.0;
            cout<<"正确率："<<l<<"%"<<endl;
            cout<<"============================================================================================================"<<endl;
            system("pause");
            system("cls");
        }else if(a==3){
            int p=0;
            cout<<"============================================================================================================"<<endl;
            cout<<"段落打字练习"<<endl;
            cout<<"============================================================================================================"<<endl;
            cout<<"We dined at an excellent inn at Chapelhouse, where Dr. Johnson expatiated on the felicity of England in its taverns and inns, and triumphed over the French for not having, in any perfection, the tavern life. "<<endl;
            cout<<"我们在查普尔壕斯一家极好的小客栈里吃饭，约翰逊博土在那儿详细叙述了英格兰的小客栈和小旅馆的妙处，并得意洋洋地指出法国人没有任何这等完美的小客栈生活。"<<endl;
            string c;
            string d="We dined at an excellent inn at Chapelhouse, where Dr. Johnson expatiated on the felicity of England in its taverns and inns, and triumphed over the French for not having, in any perfection, the tavern life. ";
            cin.ignore(); // 清除输入缓冲区
            getline(cin,c);
            for(int i=0;i<d.size();i++){ // 修改循环条件，避免越界
                if(i < c.size() && c[i]==d[i]){
                    p+=1;
                }
            }
            system("cls");
            cout<<"============================================================================================================"<<endl;
            cout<<"段落打字练习"<<endl;
            cout<<"============================================================================================================"<<endl;
            cout<<"分数："<<p<<"/"<<d.size()<<endl;
            cout<<"正确率："<<fixed<<setprecision(2)<<static_cast<double>(p)/d.size()*100<<"%"<<endl;
            cout<<"============================================================================================================"<<endl;
            system("pause");
            system("cls");
        }else if(a==1){
            string q;
            srand(time(0));
            cin.ignore(); // 清除输入缓冲区
            for(int i=1;i<11;i++){
                cout<<"============================================================================================================"<<endl;
                cout<<"字母打字练习     "<<i<<"/10   分数："<<s<<endl;
                cout<<"============================================================================================================"<<endl;
                int b;
                string c;
                b=rand()%(list2.size());
                cout<<"拼写字母:"<<list2[b]<<endl;
                getline(cin,c);
                if(c==list2[b]){
                    cout<<"√     加10分"<<endl;
                    s+=10;
                }else{
                    cout<<"×"<<endl;
                }
                system("pause");
                system("cls");
            }
            cout<<"============================================================================================================"<<endl;
            cout<<"字母打字练习"<<endl;
            cout<<"============================================================================================================"<<endl;
            cout<<"分数："<<s<<endl;
            l=s/100.0*100.0;
            cout<<"正确率："<<l<<"%"<<endl;
            cout<<"============================================================================================================"<<endl;
            system("pause");
            system("cls");
        }
    }
}