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C Program to Implement Student Database using Structure

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    This program is written using DEV C++ version 5. You can use any other standard C compiler to compile and run this program.

    The best way to learn programming is to do lot of practice writing programs and understanding the logic behind achieving the solution to the problems. In this way you can easily master the programming skills.

    AIM

     

    To write a program in C that implement Student database using Structures.

    PROGRAM

     

    

    

     
    

    


    


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    /* Write a program for maintaining record of 'n' students using structure */
    

    #include <stdio.h>
    

    #include <stdlib.h>
    

    #include <conio.h>
    

    struct Student{
    

    int rollno;
    

    char name[15];
    

    int marks;
    

    char grade;
    

    } ;
    

    int main()
    

    {
    

    struct Student s1[10];
    

    int i,n;
    

    char search[15];
    

    /* Read student information */
    

    printf(“How many Student Records to Store:n“);
    

    scanf(“%d”,&n);
    

    /* Enter student details */
    

    printf(“Enter Student Details:n“);
    

    for(i=0;i<n;i++)
    

    {
    

    printf(“Rollno:”);
    

    scanf(“%d”,&s1[i].rollno);
    

    printf(“n“);
    

    printf(“Name:”);
    

    scanf(“%s”,&s1[i].name);
    

    printf(“n“);
    

    printf(“Marks(in %):”);
    

    scanf(“%d”,&s1[i].marks);
    

    printf(“n“);
    

    printf(“Grade:”);
    

    if(s1[i].marks <=50)
    

    {
    

    s1[i].grade = ‘F’;
    

    }
    

    else if(s1[i].marks > 50 && s1[i].marks <= 59)
    

    {
    

    s1[i].grade = ‘C’;
    

    }
    

    else if(s1[i].marks >=60 && s1[i].marks <= 75)
    

    {
    

    s1[i].grade = ‘B’;
    

    }
    

    else if(s1[i].marks > 75 && s1[i].marks <= 95)
    

    {
    

    s1[i].grade = ‘A’;
    

    }
    

    else
    

    {
    

    s1[i].grade = ‘S’;
    

    }
    

    printf(“%ct“,s1[i].grade);
    

    printf(“n“);
    

    }
    

    printf(“Enter Student Name to Search:”);
    

    scanf(“%s”,&search);
    

    /* print the data base */
    

    printf(” Namett Markst Gradetn“);
    

    for(i=0;i<n;i++)
    

    {
    

    if(strcmp(search,s1[i].name)== 0 )
    

    {
    

    printf(“%stt %dt“,search,s1[i].name);
    

    }
    

    else if(search == “all”)
    

    {
    

    printf(“%stt %dt“,search,s1[i].name);
    

    }
    

    }
    

    system(“PAUSE”);
    

    return 0;
    

    }
    		

    
    

    

    

    OUTPUT
    

    

    


    


    

    
OUTPUT FROM STUDENT MARK DATABASE

    
    

    

    

    

    




    


    

    
	
    
			
    
					
    
	
    


    




    

        
        



		
    
			
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