Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#define MAX 200
void getinfoStudent();
void prompt();
void printstudentInfo();
void addstudentInfo();
void printpartial();
int compare();
void update();
struct Student
{
char firstname[30];
char lastname[30];
int studentnumber;
int markFinal;
int markMidterm;
int markAssignment[5];
int markLab[5];
}student[MAX];
int main()
{
prompt();
return 0;
}
void prompt()
{
int choice, flag = 1 ;
printstudentInfo();
printf("\n");
printf("Please choose an option:\n");
printf(" 1. View the information for a specific student\n");
printf(" 2. Add a new student\n");
printf(" 3. Exit\n");
printf("What is your choice? :");
scanf("%d",&choice);
while(flag)
{
switch(choice)
{
case 1:
getinfoStudent();
break;
case 2:
system("cls");
addstudentInfo();
break;
case 3:
exit(0);
break;
default:
printf("Invalid choice. Please try again.\n");
printf("Press any key to continue.\n");
getch();
system("cls");
prompt();
}
}
}
void getinfoStudent()
{
system("cls");
printpartial();
}
void printstudentInfo()
{
int i;
FILE *fp;
printf("F Name L Name Student# A1 A2 A3 A4 A5 L1 L2 L3 L4 L5 Midterm Final\n");
printf("________________________________________________________________________________\n");
fp = fopen("studentinfo.txt","r");
if (fp == NULL)
{
printf("I couldn't open studentinfo.txt for printing.\n");
exit(0);
}
for(i = 0; i< MAX; i++)
{
while (fscanf(fp, "%s %s %d %d %d %d %d %d %d %d %d %d %d %d %d\n", student[i].firstname, student[i].lastname,&student[i].studentnumber,
&student[i].markAssignment[0],&student[i].markAssignment[1],&student[i].markAssignment[2],&student[i].markAssignment[3],
&student[i].markAssignment[4],&student[i].markLab[0],&student[i].markLab[1],&student[i].markLab[2],&student[i].markLab[3],
&student[i].markLab[4],&student[i].markMidterm,&student[i].markFinal)== 15)
printf("%s %s %d %d %d %d %d %d %d %d %d %d %d %d %d\n",student[i].firstname, student[i].lastname,student[i].studentnumber,
student[i].markAssignment[0],student[i].markAssignment[1],student[i].markAssignment[2],student[i].markAssignment[3],
student[i].markAssignment[4],student[i].markLab[0],student[i].markLab[1],student[i].markLab[2],student[i].markLab[3],
student[i].markLab[4],student[i].markMidterm,student[i].markFinal);
}
fclose(fp);
}
void printpartial()
{
int i,studentnum,flag = 1;
FILE *fp;
fp = fopen("studentinfo.txt","r");
if (fp == NULL) {
printf("I couldn't open studentinfo.txt for printing.\n");
exit(0);
}
while (flag)
{
printf("Please type the student number to look at the student's information: ");
scanf("%d",&studentnum);
for (i = 0;i<MAX;i++)
{
while (fscanf(fp, "%s %s %d %d %d %d %d %d %d %d %d %d %d %d %d\n", student[i].firstname, student[i].lastname,&student[i].studentnumber,
&student[i].markAssignment[0],&student[i].markAssignment[1],&student[i].markAssignment[2],&student[i].markAssignment[3],
&student[i].markAssignment[4],&student[i].markLab[0],&student[i].markLab[1],&student[i].markLab[2],&student[i].markLab[3],
&student[i].markLab[4],&student[i].markMidterm,&student[i].markFinal)== 15)
if (studentnum == student[i].studentnumber) // finding whether the colour is invalid or not
{
printf("\nF Name L Name Student# A1 A2 A3 A4 A5 L1 L2 L3 L4 L5 Midterm Final\n");
printf("________________________________________________________________________________\n");
printf("%s %s %d %d %d %d %d %d %d %d %d %d %d %d %d\n",
student[i].firstname,student[i].lastname,student[i].studentnumber,student[i].markAssignment[0],
student[i].markAssignment[1],student[i].markAssignment[2],student[i].markAssignment[3],student[i].markAssignment[4],
student[i].markLab[0],student[i].markLab[1],student[i].markLab[2],student[i].markLab[3],student[i].markLab[4],student[i].markMidterm, student[i].markFinal);
fclose(fp);
printf("\n Please press key to continue. ");
getch();
system("cls");
prompt();
}
else
{
flag = 1;
}
}
if(flag == 1)
{
printf("Invalid student number. Please type it again.\n");
getch();
getinfoStudent();
}
}
}
void addstudentInfo()
{
char first[30],last[30];
int stunum,a1,a2,a3,a4,a5,l1,l2,l3,l4,l5,m,f,ch,ln;
FILE *fp;
fp = fopen("studentinfo.txt","a+");
if (fp == NULL)
{
printf("I couldn't open studentinfo.txt for printing.\n");
exit(0);
}
ch = 1;
while(ch)
{
printf("What is the student's first name? :");
scanf("%s",first);
printf("What is the student's last name? :");
scanf("%s",last);
printf("What is the student number? :");
scanf("%d",&stunum);
char s1[50] = "What is the student's Assignment 1 mark? :";
a1 = compare(s1);
char s2[50] = "What is the student's Assignment 2 mark? :";
a2 = compare(s2);
char s3[50] = "What is the student's Assignment 3 mark? :";
a3 = compare(s3);
char s4[50] = "What is the student's Assignment 4 mark? :";
a4 = compare(s4);
char s5[50] = "What is the student's Assignment 5 mark? :";
a5 = compare(s5);
char s6[50] = " What is the student's Lab 1 mark? :";
l1 = compare(s6);
char s7[50] = " What is the student's Lab 2 mark? :";
l2 = compare(s7);
char s8[50] = " What is the student's Lab 3 mark? :";
l3 = compare(s8);
char s9[50] = " What is the student's Lab 4 mark? :";
l4 = compare(s9);
char s10[50] = " What is the student's Lab 5 mark? :";
l5 = compare(s10);
char s11[50] = " What is the student's Midterm mark? :";
m = compare(s11);
char s12[50] = " What is the student's Final mark? :";
f = compare(s12);
fprintf(fp,"\n%s %s %d %d %d %d %d %d %d %d %d %d %d %d %d\n",first,last,stunum,a1,a2,a3,a4,a5,l1,l2,l3,l4,l5,m,f);
printf("\nStudent information is succesfully added.\n\n");
printf("Added Student\n");
printf(" Name: %s %s\nStudent Number: %d\n",first,last,stunum);
printf("\npress 1 to continue adding student info or 0 to exit: ");
scanf("%d",&ln);
ch = ln;
system("cls");
}
fclose(fp);
prompt();
}
int compare(char st[50])
{
int a;
int flag = 1;
while(flag)
{
printf("%s",st);
scanf("%d",&a);
if(a > 120 || a < 0)
{
printf("Invalid mark. Please enter again\n");
flag = 1;
}
else
{
flag = 0;
}
}
return a;
}
void update()
{
}
Inside of my studentinfo.txt file
