问题标题: LOS3.1正式发布

#include<bits/stdc++.h>
#include<windows.h>
#define clear_cin() fflush(stdin)
#define KAIJI 1
#define INA 2
#define NTUSER 1
using namespace std;
int kjhm,usernum;
char *p;
string color;
char user[10005][2][105]={{"",""},{"admin",""}}; 
int desktop(int);
void clear();
string getver(bool =true);
void shutdown(int =1); 
void startup(int =0);
void s_d(int);
void setname();
void csh();
void ramtst(bool =false);
char _p(int);
int q(char);
int f(string,int);
string g(int,int);
void jzzh();
void gtuser();
void login();
void ert();
void pro();
void puanduan();
void otpt();
int qspd();
namespace sm{
    string s,t;
    void clear(){
        system("cls");
        clear_cin();
    }
    void ert(){
        MessageBeep(MB_ICONERROR);
    }
    void output(){
        cout<<"小小记事本1.1\n";
        cout<<"编译日期:2022/12/26\n";
        cout<<"按Ctrl+Z停止输入\n";
        while(getline(cin,t)){
            s+=t+'\n';
        }
        cin.clear();
        cout<<"\n文件目录：";
        string a;
        getline(cin,a);
        cout<<"\n文件名(加后缀名):";
        string r;
        getline(cin,r);
        a+=r;
        //cout<<"文件名+目录:"<<a;
        FILE* fp=fopen(a.c_str(),"w");
        fprintf(fp,s.c_str());
        fclose(fp);
        cout<<"写入完成！\n按Enter继续";
        getchar();
    }
    void input(){
        cout<<"小小记事本1.1\n";
        cout<<"编译日期:2022/12/26\n";
        cout<<"输入地址和文件名（带后缀）";
        string s;
        getline(cin,s);
        ifstream fin(s.c_str());
        string t;
        bool flag=0;
        while(getline(fin,t)){
            cout<<t<<endl;
            flag=1;
        }
        if(!flag)cout<<"文件为空或无该文件\n";
        cout<<"按Enter继续";
        getchar();
    }
    int main(){
        system("title LOS中的小小记事本");
        while(1){
            clear();
            cout<<"小小记事本1.1\n";
            cout<<"编译日期:2022/12/26\n";
            cout<<"1.写入文件\n2.读取文件\n3.版本号\n4.退出\n";
            string s;
            getline(cin,s);
            clear();
            if(s=="1"||s=="1.写入文件"||s=="写入文件"){
                output();
            }
            else if(s=="2"||s=="2.读入文件"||s=="读入文件"){
                input();
            }
            else if(s=="3"||s=="3.版本号"||s=="版本号"){
                cout<<"小小记事本1.1 Build 1100\n";
                cout<<"编译日期:2022/12/26\n";
                cout<<"按Enter继续";
                getchar(); 
            }
            else if(s=="4"||s=="4.退出"||s=="退出")break;
            else{
                ert();
            }
        } 
        return 0;
    }
}
namespace calc{
    string s[100005],ans[100005];
    int n;
    void clear(){
        system("cls");
        clear_cin();
    }
    void ert(){
        MessageBeep(MB_ICONERROR);
    }
    string calc(string s){
        long double num[100005];
        char c[100005];
        int pos=1;
        stringstream sstream;
        sstream<<s;
        sstream>>num[1];
        while(sstream>>c[pos]>>num[pos+1])pos++;
        for(int i=1;i<=pos;i++){
            if(c[i]=='\0')break;
            if(c[i]=='*'||c[i]=='/'||c[i]=='%'){
                if(c[i]=='*'){
                    num[i]*=num[i+1];
                }
                if(c[i]=='/'){
                    if(num[i+1]==0)return "NAN";
                    num[i]/=num[i+1]; 
                }
                if(c[i]=='%'){
                    if(num[i+1]==0)return "NAN";
                    num[i]=fmod(num[i],num[i+1]); 
                }
                c[i]=c[i+1];
                for(int j=i+1;j<=pos;j++){
                    c[j]=c[j+1];
                    num[j]=num[j+1];
                }
            }
        }
        long double ans=num[1]; 
        for(int i=2;i<=pos;i++){
            if(c[i-1]=='\0')break;
            if(c[i-1]=='+'||c[i-1]=='-'){
                if(c[i-1]=='+'){
                    ans+=num[i];
                }
                if(c[i-1]=='-'){
                    ans-=num[i];
                }
            }
            else if(c[i-1]!='*'&&c[i-1]!='/'&&c[i-1]!='%')return "NAN";
        }
        string retd;
        stringstream anss;
        anss<<ans;
        anss>>retd;
        return retd;
    }
    int main(){
        system("title LOS中的小小计算器");
        while(1){
            clear();
            cout<<"1.输入新算式\n2.查看历史记录\n3.版本号\n4.退出\n";
            string t;
            getline(cin,t);
            clear();
            if(t=="1"||t=="1.输入新算式"||t=="输入新算式"){
                cout<<"请输入算式(支持小数，+-*/%，不支持括号)";
                getline(cin,s[++n]);
                clear();
                ans[n]=calc(s[n]);
                if(ans[n]=="NAN"){
                    cout<<"输入错误";
                    ert();
                }
                else{
                    cout<<s[n]<<"="<<ans[n]<<endl<<"按Enter继续";
                }
                getchar(); 
            }
            else if(t=="2"||t=="查看历史记录"||t=="2.查看历史纪录"){
                for(int i=1;i<=n;i++){
                    if(ans[i]!="NAN")
                    cout<<s[i]<<'='<<ans[i]<<endl;
                }
                cout<<"按Enter继续";
                getchar();
            }
            else if(t=="3"||t=="版本号"||t=="3.版本号"){
                cout<<"小小计算器1.0 Build 1000\n编译日期2022/12/27\n本作品为LOS开发团队原创，盗版必究！\n按Enter继续";
                getchar();
            }
            else if(t=="4"||t=="4.退出"||t=="退出")break;
        }
        return 0;
    }
}
int main(){
    ramtst();
    setname();
    puanduan();
    csh();
    startup();
    clear();
    while(1){
        clear();
        int type=desktop(INA);
        if(type==0){
            shutdown();
            clear();
            return 0;
        }
        else if(type==1){
            csh();
            clear();
            startup(2);
            clear();
            startup();
            type=desktop(KAIJI);
        }
        clear();
    }
    return 0;
}
int desktop(int cs){
    gtuser();
    login();
    i9:
    clear(); 
    cout<<"1.应用\n2.电源\n3.设置\n";
    string s;
    getline(cin,s);
    clear();
    if(s=="1"||s=="应用"||s=="1.应用"){
        i4:
        cout<<"1.版本号\n2.小小记事本\n3.小小计算器\n4.检测环境\n5.返回\n";
        string s;
        getline(cin,s);
        clear();
        if(s=="1"||s=="版本号"||s=="1.版本号"){
            getver();
            clear(); 
        }
        else if(s=="2"||s=="小小记事本"||s=="2.小小记事本"){
            sm::main();
            setname();
        }
        else if(s=="3"||s=="数学工具"||s=="3.数学工具"){
            calc::main();
        }
        else if(s=="4"||s=="检测环境"||s=="4.检测环境"){
            i5:
            cout<<"1.内存测试\n2.返回\n";
            getline(cin,s);
            clear();
            if(s=="1"||s=="内存测试"||s=="1.内存测试"){
                ramtst(true);
            } 
            else if(s=="2"||s=="返回"||s=="2.返回"){
                goto i4;
            }
            else{
                ert();
                goto i5;
            }
        }
        else if(s=="5"||s=="返回"||s=="5.返回"){
            goto i9; 
        }
        else{
            ert();
            goto i4;
        }
    }
    else if(s=="2"||s=="电源"||s=="2.电源"){
        ir:
        system("cls");
        cout<<"1.关闭LOS\n2.重新启动LOS\n3.返回\n";
        getline(cin,s);
        if(s=="1"||s=="关闭"||s=="关闭LOS"||s=="1.关闭LOS"){
            return 0;
        }
        else if(s=="2"||s=="重启"||s=="重新启动"||s=="重新启动LOS"||s=="2.重新启动LOS"){
            return 1;
        }
        else if(s=="3"||s=="返回"||s=="3.返回"){
            goto i9;
        }
        else{
            ert();
            goto ir;
        }
    }
    else if(s=="3"||s=="设置"||s=="3.设置"){
        i2:
        cout<<"1.开关机/重启是否显示画面\n2.恢复出厂设置\n3.换颜色\n4.浅色模式\n.返回\n";
        getline(cin,s);
        clear();
        if(s=="1"||s=="开关机/重启是否显示画面\n"||s=="1.开关机/重启是否显示画面\n"){
            ii:
            cout<<"0.显示\n1.不显示\n";
            getline(cin,s);
            FILE *kj=fopen("kj","w");
            if(s=="0"||s=="0.显示"||s=="显示"){
                fprintf(kj,"%d",0); 
                kjhm=0;
            }
            else if(s=="1"||s=="1.不显示"||s=="不显示"){
                fprintf(kj,"%d",1); 
                kjhm=1;
            }
            else{
                ert();
                goto ii;
            }
            clear();
            fclose(kj);
        }
        else if(s=="2"||s=="恢复出厂设置"||s=="2.恢复出厂设置"){
            cout<<"确定请输入1";
            char c=getchar(); 
            if(c=='1'){
                FILE *kj=fopen("kj","w");
                fprintf(kj,"%d",0); 
                fclose(kj);
                pro();
                system("color 00");
                csh();
                return 1;
            }
        }
        else if(s=="3"||s=="换颜色"||s=="3.换颜色"){
            inae:
            cout<<"字符代表的颜色：\n"; 
            cout<<"0=黑色，1=蓝色，2=绿色，3=湖蓝色，4=红色，5=紫色，6=**，7=白色，8=灰色，9=淡蓝色，A=淡绿色，B=浅绿色，C=淡红色，D=淡紫色，E=淡**，F=亮白色。";
            cout<<"\n请输入背景颜色（上面给出的）";
            string s,y;
            cin>>s;
            if(!(s.size()==1&&(s[0]>='0'&&s[0]<='9'||s[0]>='A'&&s[0]<='F'||s[0]>='a'&&s[0]<='f'))){
                system("cls");
                ert();
                goto inae;
            }
            if(s[0]>='a'&&s[0]<='f')s[0]-=32;
            system("cls");
            inbe:
            cout<<"字符代表的颜色：\n"; 
            cout<<"0=黑色，1=蓝色，2=绿色，3=湖蓝色，4=红色，5=紫色，6=**，7=白色，8=灰色，9=淡蓝色，A=淡绿色，B=浅绿色，C=淡红色，D=淡紫色，E=淡**，F=亮白色。";
            cout<<"\n请输入文字颜色（上面给出的）";
            cin>>y;
            if(!(y.size()==1&&(y[0]>='0'&&y[0]<='9'||y[0]>='A'&&y[0]<='F'||y[0]>='a'&&y[0]<='f'))){ 
                system("cls");
                ert();
                goto inbe;
            }
            if(y[0]>='a'&&y[0]<='f')y[0]-=32;
            color=s+y;
            clear();
            string t="color "+s+y;
            system(t.c_str());
            FILE* cl=fopen("color","w");
            fprintf(cl,color.c_str());
            fclose(cl);
        }
        else if(s=="4"||s=="浅色模式"||s=="4.浅色模式"){
            i10:
            clear();
            cout<<"0.关闭\n1.开启\n";
            string y;
            getline(cin,y);
            FILE* qsmd=fopen("qs","w"); 
            if(y=="0"||y=="关闭"||y=="0.关闭"){
                fprintf(qsmd,"%d",0);
                FILE* cl=fopen("color","r");
                char x=getc(cl),y=getc(cl);
                string ans="color ";
                ans+=x;
                ans+=y;
                system(ans.c_str());
                fclose(cl);
            }
            else if(y=="1"||y=="1.开启"||y=="开启"){
                fprintf(qsmd,"%d",1);
                system("color 70"); 
            }
            else{
                ert();
                goto i10;
            }
            fclose(qsmd);
        }
        else if(s=="5"||s=="返回"||s=="5.返回"){
            goto i9;
        }
        else{
            ert();
            goto i2;
        }
    }
    else{
        ert();
        goto i9;
    }
    return 2;
}
void clear(){
    system("cls");
    clear_cin();
}
string getver(bool flag){
    string a="LOS 3.1(Build 2601)",b="编译日期2022/12/27\n",c="本作品为LOS开发团队原创，盗版必究！\n",d="按Enter继续",e="   ";
    if(flag){
        cout<<a<<endl<<b<<c<<d;
        getchar();
        clear();
    }
    return a+e+c;
}
void startup(int type){
    if(kjhm)return;
    if(type==1||type==2){
        shutdown(type);
        return;
    }
    for(int i=1;i<=1;i++){
        string s="\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |__\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |___\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |____\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_____\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |______\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_______\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |__________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |___________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |____________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    cout<<"正在启动LOS";
    Sleep(166);
    clear();
    }
    Sleep(500);
}
void shutdown(int type){
    if(kjhm)return;
    for(int i=1;i<=1;i++){
    string s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |____________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |___________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |__________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |________\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_______\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |______\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_____\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |____\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |___\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |__\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |_\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        |\n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        |\n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        |\n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        |\n\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(60);
    clear();
    s="\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\
        \n\n\n\n\n\n";
    cout<<s;
    cout<<"        ";
    if(type==1)cout<<"正在关闭LOS";
    else cout<<"正在重新启动"; 
    Sleep(166);
    clear();
    }
    Sleep(500);
}
void s_d(int n){
    Sleep(n);
    cout<<".";
}
void setname(){
    string r="title "+getver(false);
    system(r.c_str()); 
}
void csh(){
    FILE* kj=fopen("kj","r");
    fscanf(kj,"%d",&kjhm);
    fclose(kj);
    if(!qspd()){
        FILE* ys=fopen("color","r");
        char s;
        s=getc(ys);
        color+=s;
        s=getc(ys);
        color+=s;
        if(color[0]==' ')color="00";
        if(color=="")color="00";
        string t="color "+color;
        system(t.c_str()); 
        fclose(ys);
    }
    else system("color 70");
}
void ramtst(bool flag){
    p=(char*)malloc(157374182);
    for(int j=0;j<157374182;j++)p[j]=1;
    if(p!=NULL){
        if(flag){
            cout<<"测试成功，能够正常运行LOS!\n";
            Sleep(1000);
        }
    }
    else{
        cout<<"错误：剩余内存过少，可能无法正常运行LOS!";
        exit(1);
    }
    free(p);
    clear();
}
int q(char number){
    if(number<='9')return number-48;
    return number-55;
}
int f(string a,int k){
    int n=0;
    for(int i=0;i<a.size();i++){
        n=n*k+q(a[i]);
    }
    return n;
}
int n;
string s;
int jz;
char _p(int number){
    if(number<10)return number+48;
    return number+55;
}
string g(int n,int jz){
    string s="";
    while(n){
        s=_p(n%jz)+s;
        n/=jz;
    }
    return s;
}
void jzzh(){
    cout<<"请输入需要转换的数的进制n";
    cin>>n;
    cout<<"请输入需要转换的数s"; 
    cin>>s;
    cout<<"请输入要转换到的进制";
    cin>>jz;
    int ans=f(s,n);
    cout<<g(ans,jz);
}
void gtuser(){
    FILE * usnmfp=fopen("usnum","r");
    FILE * usfp=fopen("user","r");
    fscanf(usnmfp,"%d",&n);
    for(int i=2;i<=n;i++){
        fscanf(usfp,"%s%s",&user[i][0],&user[i][1]);
    }
    n++;
}
void login(){
    #if NTUSER
    return;
    #endif
    if(n==1){
        if(user[1][1]=="")return;
        cout<<"Welcome,"<<user[1][0]<<"!";
        Sleep(500);
        return;
    }
}
void ert(){
    MessageBeep(MB_ICONERROR);
}
void pro(){
    FILE* cl=fopen("color","w");
    fprintf(cl,"07");
    fclose(cl);
    system("color 07");
}
void puanduan(){
    ifstream fout("nf");
    int n=0;
    fout>>n;
    if(n==0){
        pro();
        otpt();
        FILE * yc=fopen("Type","w");
        fprintf(yc,"%d",0);
        fclose(yc); 
    }
}
void otpt(){
    ofstream fout("nf");
    fout<<1;
}
int qspd(){
    ifstream qsmd("qs");
    int n=0;
    qsmd>>n;
    return n; 
}