Question

C programming. Need help. Thank you.

Answer 1

#include <stdio.h>
#include <math.h>
#define SIZE 200
#define SRCFILENAME "payroll.txt"
#define TGTFILENAME "paid.txt"

typedef struct employee{
   char name[100];
   char title;
   double hours_worked;
   double payrate;
   double payment;
}Employee;

int main(){
   int totalEmployees;
   double pay,ot,otRate,totalPay=0,avgTP=0,maxTP=0,minTP=0|(int)(pow(2,(sizeof(double)+1)*8));
   FILE *fp=fopen(SRCFILENAME,"r");
   Employee payroll[200];
   for(totalEmployees=0;!feof(fp);totalEmployees++){
       fscanf(fp,"%[^,],%c,%lf,%lf\n",payroll[totalEmployees].name,&payroll[totalEmployees].title,&payroll[totalEmployees].hours_worked,&payroll[totalEmployees].payrate);
       pay=(payroll[totalEmployees].hours_worked<=80)?payroll[totalEmployees].hours_worked:80;
       ot=(payroll[totalEmployees].hours_worked>80)?(payroll[totalEmployees].hours_worked-80):0;
       otRate=(payroll[totalEmployees].title=='B')?1.5:1.8;
       payroll[totalEmployees].payment=payroll[totalEmployees].payrate*pay+otRate*payroll[totalEmployees].payrate*ot;
       totalPay+=payroll[totalEmployees].payment;
       maxTP=(maxTP>payroll[totalEmployees].payment)?maxTP:payroll[totalEmployees].payment;
       minTP=(minTP<payroll[totalEmployees].payment)?minTP:payroll[totalEmployees].payment;
   }
   avgTP=totalPay/totalEmployees;
  
   fclose(fp);
  
   fp=fopen(TGTFILENAME,"w");
   fprintf(fp,"Total Payroll(sum of all employees' total payment): %.2lf\nAverage Total Payment: %.2lf\nMax total payment: %.2lf\nMin total payment: %.2lf\n",totalPay,avgTP,maxTP,minTP);
   fclose(fp);
}