C প্রোগ্রামিং - 12 অধ্যায়–Structure (কিছু : example) part 2

Namesort / ID sort / CGPA sort

 

 

normal :input output

#include<stdio.h>

#include<string.h>

struct cse12

{

    char name[20];

    int sid;

    double cgpa ;

}student;

int main()

{

   // struct cse12 student ;

    strcpy(student.name,"sharif");

    student.sid=1;

    student.cgpa=3.00;

    printf("student name :%s\n",student.name);

    printf("student ID :%d\n",student.sid);

    printf("student CGPA :%lf\n",student.cgpa);

    return 0;

}

using arrary

#include<stdio.h>

#include<string.h>

struct cse12

{

    char name[20];

    int sid;

    double cgpa ;

} student[10];

void print(struct cse12 student[])

{

    int i;

    for(i=0; i<10; i++)

    {

        printf("student name :%s\n",student[i].name);

        printf("student ID :%d\n",student[i].sid);

        printf("student CGPA :%lf\n",student[i].cgpa);

    }

}

int main()

{

    int i;

    //struct cse12 ;

    for(i=0; i<10; i++)

    {

        scanf("%s\n",student[i].name);

        scanf("%d\n",&student[i].sid);

        scanf("%lf\n",&student[i].cgpa);

    }

    print(student);

    return 0;

}

Namesort / ID sort // Cgpa sort

#include<stdio.h>

#include<string.h>

struct cse12

{

    char name[20];

    int sid;

    double cgpa ;

} student[10];

//...........................................

input(struct cse12 student[])

{

    int i;

    printf("Enter 5 student info:\n");

    for(i=0; i<5; i++)

    {

        scanf("%s\n",student[i].name);

        scanf("%d\n",&student[i].sid);

        scanf("%lf\n",&student[i].cgpa);

    }

}

//..........................................

void output(struct cse12 student[])

{

    int i;

    for(i=0; i<5; i++)

    {

        printf("student ID :%d\n",student[i].sid);

        printf("student name :%s\n",student[i].name);

        printf("student CGPA :%.2lf\n",student[i].cgpa);

    }

}

//.........................................

void namesort(struct cse12 student[])

{

    int i,j;

    for(i=0; i<4; i++)

    {

        for(j=i+1; j<5; j++)

        {

            if(strcmp(student[i].name,student[j].name)>0)

            {

                struct cse12 temp;

                strcpy(temp.name,student[i].name);

                temp.sid=student[i].sid;

                temp.cgpa=student[i].cgpa;

                strcpy(student[i].name,student[j].name);

                student[i].sid=student[j].sid;

                student[i].cgpa=student[j].cgpa;

                strcpy(student[j].name,temp.name);

                student[j].sid=temp.sid;

                student[j].cgpa=temp.cgpa;

            }

        }

    }

}

//...........................................

void idsort(struct cse12 student[])

{

    int i,j;

    for(i=0; i<4; i++)

    {

        for(j=i+1; j<5; j++)

        {

            if(student[i].sid>student[j].sid)

            {

                struct cse12 temp;

                strcpy(temp.name,student[i].name);

                temp.sid=student[i].sid;

                temp.cgpa=student[i].cgpa;

                strcpy(student[i].name,student[j].name);

                student[i].sid=student[j].sid;

                student[i].cgpa=student[j].cgpa;

                strcpy(student[j].name,temp.name);

                student[j].sid=temp.sid;

                student[j].cgpa=temp.cgpa;

            }

        }

    }

}

//.........................................

void cgpasort(struct cse12 student[])

{

    int i,j;

    for(i=0; i<4; i++)

    {

        for(j=i+1; j<5; j++)

        {

            if(student[i].cgpa>student[j].cgpa)

            {

                struct cse12 temp;

                strcpy(temp.name,student[i].name);

                temp.sid=student[i].sid;

                temp.cgpa=student[i].cgpa;

                strcpy(student[i].name,student[j].name);

                student[i].sid=student[j].sid;

                student[i].cgpa=student[j].cgpa;

                strcpy(student[j].name,temp.name);

                student[j].sid=temp.sid;

                student[j].cgpa=temp.cgpa;

            }

        }

    }

}

//..........................................

int main()

{

    input(student);

    output(student);

    //namesort(student);

      //idsort(student);

    cgpasort(student);

    printf("\n\nAfter sorting :");

    output(student);

    return 0;

}