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This is a discussion on rank within the C Programming forums, part of the General Programming Boards category; How do i store students data in 6 different files. show the time they arrive for school. rank them by ...

  1. #1
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    rank

    How do i store students data in 6 different files. show the time they arrive for school. rank them by there grades. student's data must be store using a structure

  2. #2
    ATH0 quzah's Avatar
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    Code:
    #include<stdhomework.h>
    That's pretty much all you need for this. Isn't C great?


    Quzah.
    Hope is the first step on the road to disappointment.

  3. #3
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    so what else u need to do

  4. #4
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    We try to help people with actual code. If you REALLY have no idea, then you need to review your chapters in the book, along with your class notes, and other programs you've written. The C tutorial link near the top of the forum, may be a big help, as well.

    It's disconcerting to have someone ask for help to overhaul their car's engine, when you find out they barely know a screwdriver from a socket.

    In any case, if you want help with pseudo code, post what you have, and ask specific questions about what you need help with. If you want help with a program, post your code, and ask specific questions so we know what you're stuck on.

    But we don't take an assignment and start writing up code for people.

  5. #5
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    Read the Homework announcement.

    > so what else u need to do
    Dumbass.

  6. #6
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    clam down memcpy

  7. #7
    Registered User camel-man's Avatar
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    Do you want the data stored in one Structure, then distributed to 6 different files?

  8. #8
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    yep i do

  9. #9
    Registered User camel-man's Avatar
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    Where is the data coming from, is the user supposed to enter in all the data and then you store it?

  10. #10
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    check this out tell me wat u think

    Code:
    #include<stdio.h>
    #include<time.h>
    #include<math.h>
    int avg(int x, int y, int a);//Funcation prototype to find average
    int oavg(int x, int y, int b, int a);// Function prototype to the overall grade average
        /*student data Structure definition*/
    struct studentdata{   
          float egrade;//Students english grade for term 1
          float mgrade;//Students math grade for term 1
          float egrade1;//Students english grade for term 2
          float mgrade1;//Students math grade for term 2
          float egrade2;//Students english grade term 3
          float mgrade2;//Students math grade  term 3
          char sex[9];//Gender
          char fname[30];//first name
          char lname[30];//last name
          int age;//Age
          int schfee;//School fee payment
          char pa[2];//To show pm or am
          int late;//The amount time student was late
          int abs;//Amount time student was abscent
          float z;//Use to hold the values of the averages when calculating the averages
          float a1;//Term 1 average grade
          float a2;//Term 2 average grade
          float a3;//Final term average grade
          float oga;//Overll grade averAge 
          int id;//Identification Number
          };
    
     int main(void)
    {
         
        FILE *gradeI;
        FILE *gradeII;
        FILE *gradeIII;
        FILE *gradeIV;
        FILE *gradeV;
        FILE *gradeVI;
      
      int i=0;  
     struct studentdata student;//Declaration of structure student data as student
     char pa;
     
     int m;   
     int hours;
     int minutes; 
        
        if ((gradeI=fopen("Grade 1 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            }
        if((gradeII=fopen("Grade 2 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            }
        if((gradeIII=fopen("Grade 3 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            }
        if((gradeIV=fopen("Grade 4 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            } 
        if((gradeV=fopen("Grade 5 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            }                 
        if((gradeVI=fopen("Grade 6 Students.dat","w"))==NULL){
            printf("File could not be opened\n");
            }
            else{
                 student.id=1000;
                 fprintf(gradeI,"\t\t##################################\n"
                               "\t\t####   Grade I STUDENTS DATA   ###\n"
                               "\t\t##################################\n");
                fprintf(gradeII,"\t\t##################################\n"
                               "\t\t####   Grade II STUDENTS DATA  ###\n"
                               "\t\t##################################\n");
                fprintf(gradeIII,"\t\t#################################\n"
                                 "\t\t#### Grade III STUDENTS DATA  ###\n"
                                 "\t\t#################################\n");
                fprintf(gradeIV,"\t\t##################################\n"
                                "\t\t#### Grade IV STUDENTS DATA   ####\n"
                                "\t\t##################################\n"); 
                fprintf(gradeV,"\t\t##################################\n"
                               "\t\t####  Grade V STUDENTS DATA    ###\n"
                               "\t\t##################################\n");
                fprintf(gradeVI,"\t\t##################################\n"
                                "\t\t#### Grade VI STUDENTS DATA  #####\n"
                                "\t\t##################################\n");
                 printf("enter the amount of students data you are entring into the progam:");
                 scanf("%d",&m);
      while(m!= 0){
                i++;
                  
      m--;
      system("color a3");
                 printf("\nEnter first and last name:");
                 scanf("%s %s",student.fname,student.lname);
                 printf("Enter age:");
                 scanf("%d",&student.age);
                 printf("Enter Gender:");
                 scanf("%s",student.sex);
                         
                 printf("\n*****Term One*****\n");
                 printf("Enter student average English Grade:");
                 scanf("%f",&student.egrade);
                 printf("Enter Student average Math Grade:");
                 scanf("%f",&student.mgrade);
                         
                 printf("\n*****Term two*****\n");
                 printf("Enter student average English Grade:");
                 scanf("%f",&student.egrade1);
                 printf("Enter Student average Math Grade:");
                 scanf("%f",&student.mgrade1);
                         
                 printf("\n*****Final Term*****\n");
                 printf("Enter student average English Grade:");
                 scanf("%f",&student.egrade2);
                 printf("Enter Student average Math Grade:");
                 scanf("%f",&student.mgrade2);
                         
                 printf("Enter amount paid for school:");
                 scanf("%d",&student.schfee);
                /* printf("Enter the times student arrives at in standard time:");
                 scanf("%d",&hours,&minutes,pa);*/
                 printf("How many times student was late for school?:");
                 scanf("%d",&student.late);
                 printf("How many time student was absecnt for school?:");
                 scanf("%d",&student.abs);
                 
                        
    student.a1=avg(student.egrade,student.mgrade,student.z);
    student.a2=avg(student.egrade1,student.mgrade1,student.z);
    student.a3=avg(student.egrade2,student.mgrade2,student.z);
    student.oga=oavg(student.a1, student.a2, student.a3,student.z);            
     
                
                 system("cls"); 
                       
                                      
                                          
                        switch(student.age){                                                       
            case 6: 
            fprintf(gradeI,"***************************************************************\n");                
            fprintf(gradeI,"****ID#:%d\n"
                           "****First Name:%s\n"
                           "****Last Name:%s \n"
                           "****Age:%d\n"
                           "****Gender:%s\n",student.id+i,student.fname,student.lname,student.age,student.sex);
                    //scanf("%d%s%s%d",&i,student.fname,student.lname,&student.age);
            fprintf(gradeI,"****           Student school grade information\n"); 
            fprintf(gradeI,"****Term 1 average grade is %.2f\n"
                           "****Term 2 average grade is %.2f\n"
                           "****Final term Average is %.2f\n"
                           "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
            fprintf(gradeI,"****\n****           Information on the arrival time for the day\n"
                           "****Time:%d:%d%s\n",hours,minutes,pa);
                            if(student.oga>=80){
            fprintf(gradeI,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeI,"****\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }
            fprintf(gradeI,"***************************************************************\n\n");
                    break;
             case 7:
            fprintf(gradeII,"\n\n***************************************************************\n");                          
            fprintf(gradeII,"****ID#:%d\n"
                            "****First Name:%s\n"
                            "****Last Name:%s\n"
                            "****Age:%d\n"
                            "****Gender:%s\n",student.id+i,student.fname,student.lname,student.age,student.sex);
            fprintf(gradeII,"****              Student school grade information\n"); 
            fprintf(gradeII,"****Term 1 average grade is %.2f\n"
                            "****Term 2 average grade is %.2f\n"
                            "****Final term Average is %.2f\n"
                            "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
             fprintf(gradeII,"****\n****           Information on the arrival time for the day\n"
                             "****Time:%d:%d%s\n",hours,minutes,pa);  
                             if(student.oga>=80){
            fprintf(gradeII,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeII,"****\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }                             
            fprintf(gradeII,"***************************************************************\n\n");                  
                    break;
            case 8:  
            fprintf(gradeIII,"\n\n**************************************************************\n");                      
            fprintf(gradeIII,"****ID#:%d\n"
                             "****First Name:%s\n"
                             "****Last Name:%s\n"
                             "****Age:%d\n"
                             "****Gender:%s\n",student.id+1,student.fname,student.lname,student.age,student.sex);
            fprintf(gradeIII,"****              Student school grade information\n");
            fprintf(gradeIII,"****Term 1 average grade is %.2f\n"
                             "****Term 2 average grade is %.2f\n"
                             "****Final term Average is %.2f\n"
                             "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
            fprintf(gradeIII,"****           Information on the arrival time for the day\n"
                             "****Time:%d:%d%s\n",hours,minutes,pa);  
                            if(student.oga>=80){
            fprintf(gradeIII,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeIII,"****\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }                                
            fprintf(gradeIII,"**************************************************************\n\n");                 
                    break;
             case 9:   
            fprintf(gradeIV,"**************************************************************\n");                       
            fprintf(gradeIV,"****ID#:%d\n"
                            "****First Name:%s\n"
                            "****Last Name:%s\n"
                            "****Age:%d\n"
                            "****Gender:%s\n",student.id+i,student.fname,student.lname,student.age,student.sex);               
            fprintf(gradeIV,"****                Student school grade information\n"); 
            fprintf(gradeIV,"****Term 1 average grade is %.2f\n"
                            "****Term 2 average grade is %.2f\n"
                            "****Final term Average is %.2f\n"
                            "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
            fprintf(gradeIV,"****\n****          Information on the arrival time for the day\n"
                            "****Time:%d:%d%s\n",hours,minutes,pa);
                            if(student.oga>=80){
            fprintf(gradeIV,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeIV,"****\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }                                 
            fprintf(gradeIV,"**************************************************************\n\n"); 
                    break;
            case 10:   
            fprintf(gradeV,"***************************************************************\n");                       
            fprintf(gradeV,"****ID#:%d\n"
                           "****First Name:%s\n"
                           "****Last Name:%s\n"
                           "****Age:%d\n"
                           "****Gender:%s\n",student.id+i,student.fname,student.lname,student.age,student.sex);               
            fprintf(gradeV,"****                 Student school grade information\n"); 
            fprintf(gradeV,"****Term 1 average grade is %.2f\n"
                           "****Term 2 average grade is %.2f\n"
                           "****Final term Average is %.2f\n"
                           "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
            fprintf(gradeV,"****\n****          Information on the arrival time for the day\n"
                           "****Time:%d:%d%s\n",hours,minutes,pa);    
                            if(student.oga>=80){
            fprintf(gradeV,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeV,"***\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }                    
            fprintf(gradeV,"***************************************************************\n\n"); 
                    break;
            case 11:
            case 12:
            fprintf(gradeVI,"\n\n***************************************************************\n");                         
            fprintf(gradeVI,"****ID#:%d\n"                                                     
                            "****First Name:%s\n"
                            "****Last Name:%s\n"
                            "****Age:%d\n"
                            "****Gender:%s\n",student.id+i,student.fname,student.lname,student.age,student.sex);
            fprintf(gradeVI,"****                 Student school grade information\n"); 
            fprintf(gradeVI,"****Term 1 average grade is %.2f\n"
                            "****Term 2 average grade is %.2f\n"
                            "****Final term Average is %.2f\n"
                            "****Overall grade avergae for the school year is %.2f\n",student.a1,student.a2,student.a3, student.oga);
            fprintf(gradeVI,"****\n****        Information on the arrival time for the day\n"
                             "****Time:%d:%d%s\n",hours,minutes,pa); 
                            if(student.oga>=80){
            fprintf(gradeVI,"****\n****Student Receives Cash Prize becauuse for High End Year Grade average\n");
                                                       }
                            if (student.schfee!=7500){
            fprintf(gradeVI,"****\n****Parent/s or guardian/s need to be call in concerning the school fee\n");
                                                       }                  
            fprintf(gradeVI,"***************************************************************\n\n");                 
                    break;
                 
                    default:
                        printf("Age is not suitable for the primary  school.");
                        break;
             system("cls");            
                        }           
                        }
                         fclose(gradeI);
                         fclose(gradeII);
                         fclose(gradeIII);
                         fclose(gradeIV);
                         fclose(gradeV);
                         fclose(gradeVI);
                         }
                         
                          getch();
                          return 0;
        }
        
    int avg(int x, int y, int a){
          
          a=(x+y)/2;
           }
    int oavg(int x, int y, int b, int a){
          
          a=(x+y+b)/3;
           }
    Last edited by Salem; 04-25-2012 at 10:48 PM. Reason: Removed the php pointless tag

  11. #11
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    yes thats the plan

  12. #12
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    yes it is comming from the user

  13. #13
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    How do i put a function prototype and definition within this program to rank the students base on there grades

  14. #14
    Registered User camel-man's Avatar
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    Where did you get that code from?

  15. #15
    and the hat of int overfl Salem's Avatar
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    Did you copy/paste the code from case 6 to case 7 ?

    Was the only edit to change gradeI into gradeII ?

    If so, then make it a function where you pass say
    outputRecord( gradeI, student );

    and make the code a hell of a lot shorter into the process.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
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