#include<iostream>
#include<string>
#include<fstream>
#include<iomanip>
using namespace std;

float culcuate_time(float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES);
float figure_pay(float TOTAL, float PAY_RATE) ;
bool vildate_times(float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES);


int main()
{
    char TIME1 , TIME2;
    float PAY_RATE, TOTAL, OVERTIME,PAYCHECK;
    bool result;
    float START_HOURS, START_MINUTES,
        END_HOURS,END_MINUTES;
    char  k ;
    string datatime1, datatime2,datatime3;
    string WORKNAME;

    ifstream inFile;
    string Filename;
    cout<<"Time Clock Program"<<endl
        <<"Enter the filename of data to proces"<<endl;
    cin>>Filename;
    if (!inFile)
    {
        cout<<"Sorry, that file does not exist! "<<'\a';
        return 0;
    }
   
    inFile.open("Filename.txt");
    getline(inFile,WORKNAME)>>START_HOURS>>k>>START_MINUTES
        >>TIME1>>END_HOURS>>k>>END_MINUTES
        >>TIME2>>PAY_RATE;

   
    cout<<"Name : "<<WORKNAME<<endl
        <<"Start TIME : "<<START_HOURS<<k<<START_MINUTES<<TIME1<<endl
        <<"End Time : "<<END_HOURS<<k<<END_MINUTES<<TIME2<<endl
        <<"Payrate : "<<PAY_RATE;
   



    result=vildate_times( START_HOURS,  END_HOURS,  END_MINUTES,  START_MINUTES);
     if (result==false)
         cout<<"Invalid time! Time set to 0:00"<<endl
                <<"Invalid time! Time set to 0:00"<<endl
                <<"Employee"<< WORKNAME<<"has worked 0.00 hours"
                <<endl
                <<endl
                <<"No overtime"<<endl
                <<"The paycheck is for $0.00";
     else
     {
         TOTAL=culcuate_time(START_HOURS, END_HOURS,  END_MINUTES, START_MINUTES);
        
         if(0<TOTAL && TOTAL<8)
         {
            
             PAYCHECK=figure_pay(TOTAL, PAY_RATE);
             cout<<"Employee "<<WORKNAME<<" has worked "<<TOTAL<<" hours "<<endl;
             cout<<"No Overtime!"<<endl;
             cout<<"The paycheck is for"<<PAYCHECK;

         }
         else
         {
             TOTAL=culcuate_time(START_HOURS, END_HOURS,  END_MINUTES, START_MINUTES);
             PAYCHECK=figure_pay(TOTAL, PAY_RATE);
             cout<<"OVERTIME!!"<<endl
                 <<TOTAL-8<<" hours overtime"<<endl
                 <<"The paycheck is for "<<PAYCHECK<<endl;
         }

     }

   
    system("pause");
    return 0;

}


bool vildate_times(float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES)
   
{
    bool result;
    if(0<=START_MINUTES&& START_MINUTES<=59 && 0<=END_MINUTES && END_MINUTES<=59 && 0<START_HOURS &&START_HOURS<=12 && 0<END_HOURS
        &&END_HOURS<=12)
        {
            char TIME1, TIME2;
            if(TIME1==TIME2 && START_HOURS<END_HOURS || TIME1=='A'  && TIME2=='P')
                result=true;
        
            else

            result=false;

    }
    else
            result=false;
            
    return result;
   
}

float culcuate_time(float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES)
{
    float TOTAL;
    char TIME1, TIME2;
    if(TIME1==TIME2)
   
        TOTAL=(END_HOURS-START_HOURS)+(END_MINUTES-START_MINUTES)/60;
    else
   
        TOTAL=(END_HOURS+12-START_HOURS)+(END_MINUTES-START_MINUTES)/60;
        
    return TOTAL;

}

float figure_pay(float TOTAL , float PAY_RATE)
{
    float PAYCHECK;
    if (TOTAL>8)
    {
        const float OVERTIME=TOTAL-8;
        PAYCHECK=(OVERTIME*1.5+TOTAL)*PAY_RATE;
    }
    else
        PAYCHECK=TOTAL*8;


    return PAYCHECK;

}

能输出啊 ！怎么不能输出啊！？？？？

输出的时候，总是文件打开有乱码！！

#include<iostream>
#include<string>
#include<fstream>
#include<iomanip>
using namespace std;

float culcuate_time(char TIME1,char TIME2,float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES);
float figure_pay(float TOTAL, float PAY_RATE) ;
bool vildate_times(char TIME1,char TIME2,float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES);


int main()
{
    char TIME1,TIME2;
    float PAY_RATE, TOTAL, OVERTIME,PAYCHECK;
    bool result;
    float START_HOURS, START_MINUTES,
        END_HOURS,END_MINUTES;
    char  k ;
    string datatime1, datatime2,datatime3;
    string WORKNAME;

    ifstream inFile;
    string Filename;
    cout<<"Time Clock Program"<<endl
        <<"Enter the filename of data to proces"<<endl;
    cin>>Filename;
    inFile.open(Filename.c_str());
    if (!inFile)
    {
        cout<<"Sorry, that file does not exist! "<<'\a';
        return 0;
    }
    getline(inFile,WORKNAME)>>START_HOURS>>k>>START_MINUTES
        >>TIME1>>END_HOURS>>END_MINUTES
        >>TIME2>>PAY_RATE;



   
    cout<<"Name : "<<WORKNAME<<endl
        <<"Start TIME : "<<START_HOURS<<k<<START_MINUTES<<TIME1<<endl
        <<"End Time : "<<END_HOURS<<k<<END_MINUTES<<TIME2<<endl
        <<"Payrate : "<<PAY_RATE;
    



    result=vildate_times(TIME1,TIME2, START_HOURS,  END_HOURS,  END_MINUTES,  START_MINUTES);
     if (result==false)
         cout<<"Invalid time! Time set to 0:00"<<endl
                <<"Invalid time! Time set to 0:00"<<endl
                <<"Employee"<< WORKNAME<<"has worked 0.00 hours"
                <<endl
                <<endl
                <<"No overtime"<<endl
                <<"The paycheck is for $0.00";
     else
     {
         TOTAL=culcuate_time(TIME1,TIME2,START_HOURS, END_HOURS,  END_MINUTES, START_MINUTES);
       
         if(0<TOTAL && TOTAL<8)
         {
           
             PAYCHECK=figure_pay(TOTAL, PAY_RATE);
             cout<<"Employee "<<WORKNAME<<" has worked "<<TOTAL<<" hours "<<endl;
             cout<<"No Overtime!"<<endl;
             cout<<"The paycheck is for"<<PAYCHECK;

         }
         else
         {
             TOTAL=culcuate_time(TIME1, TIME2, START_HOURS, END_HOURS,  END_MINUTES, START_MINUTES);
             PAYCHECK=figure_pay(TOTAL, PAY_RATE);
             cout<<"OVERTIME!!"<<endl
                 <<TOTAL-8<<" hours overtime"<<endl
                 <<"The paycheck is for "<<PAYCHECK<<endl;
         }

     }

   
    system("pause");
    return 0;

}


bool vildate_times(char TIME1,char TIME2,float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES)
   
{
    bool result;
    if(0<=START_MINUTES&& START_MINUTES<=59 && 0<=END_MINUTES && END_MINUTES<=59 && 0<START_HOURS &&START_HOURS<=12 && 0<END_HOURS
        &&END_HOURS<=12)
        {
       
            if(TIME1==TIME2 && START_HOURS<END_HOURS || TIME1=='A'  && TIME2=='P')
                result=true;
       
            else

            result=false;

    }
    else
            result=false;
           
    return result;
   
}

float culcuate_time(char TIME1,char TIME2,float START_HOURS, float END_HOURS, float END_MINUTES, float START_MINUTES)
{
    float TOTAL;
    if(TIME1==TIME2)
        TOTAL=(END_HOURS-START_HOURS)+(END_MINUTES-START_MINUTES)/60;
    else
        TOTAL=(END_HOURS+12-START_HOURS)+(END_MINUTES-START_MINUTES)/60;
       
    return TOTAL;

}

float figure_pay(float TOTAL , float PAY_RATE)
{
    float PAYCHECK;
    if (TOTAL>8)
    {
        const float OVERTIME=TOTAL-8;
        PAYCHECK=(OVERTIME*1.5+TOTAL)*PAY_RATE;
    }
    else
        PAYCHECK=TOTAL*8;


    return PAYCHECK;

}

改了很多！仔细对照看看！输入的时候 要这样输  譬如 ：  hehe.txt

xiexie~~~