Print 1 to 10 Series

#include<stdio.h>

#include<conio.h>

int main()

{

int a;

printf("the no from 1 to 10 are:\n");

for(a=1;a<=10;a++)

printf("%d\n", a);

getch();

}

Convert Decimal to Hexadecimal Number

#include<stdio.h>

#include<conio.h>

#include<process.h>

void main()

{

Int x, y=30, z;

clrscr();

printf(“Enter the number:”);

scanf(“%d”, &x);

printf(“\n conversion of decimal to hexadecimal number\n”);

for(;;)

{

if(x= =0)

exit(1);

z=x%16;

x=x/16;

gotoxy(y--,5);

switch(z)

{

Case 10:

Printf(“A”);

Break;

Case 11:

Printf(“%c”, „B?);

Break;

Case 12:

Printf(%c”, „C”);

Break;

Case 13:

Printf(“D”);

Break;

Case 14:

Printf(“E”);

Break;

Case 15:

Printf(“F”);

Default:

Printf(“%d”, z);

}

}

getch();

}

Output:

Enter the number: 31

Conversion of decimal to Hexa decimal number

1F

Mark list Analysis using Structures

#include<stdio.h>

#include<conio.h>

#include<string.h>

void main()

{

struct stud

{

int rno;

char name[15];

int marks[5];

int total;

float avg;

char class[15];

}

st[10],temp;

int i,n,j;

clrscr();

printf(“\n enter\n”);

scanf(“%d”,&n);

for(i=1;i<=n;i++)

{

printf(“\n enter the roll no..”);

scanf(“%d”,&st[i].rno);

printf(“name...\n”);

scanf(“%s”,&st[i].name);

printf(“enter three marks..”);

for(j=1;j<=3;j++)

scanf(“%d”,&st[i].marks[j]);

}

for(i=1;i<=n;i++)

{

st[i].total=0;

for(j=1;j<=3;j++)

{

st[i].total=st[i].total+st[i].marks[j];

}

st[i].avg=st[i].total/30;

if(st[i].avg>=75)

strcpy(st[i].grade,”distinction”);

elseif(st[i].avg>=60)

strcpy(st[i].grade,”first”);

elseif(st[i].avg>=50)

strcpy(st[i].grade,”second”);

else

strcpy(st[i].grade,”fail”);

}

for(i=1;i<=n;i++)

{

for(j=j+1;j<=n;j++)

{

if(st[i].total<st[j].total)

{

temp=st[i];

st[i]=st[j];

st[j]=temp;

}

}

}

printf(“\n the student details in rankwise\n”);

for(i=1;i<=n;i++)

{ 

printf(“\n\n roll no:%d”,st[i].rno);

printf(“\n name :%s”,st[i].name);

printf(“\n marks in three subjects”);

for(j=1;j<=3;j++)

{

printf(“\n %d,st[i].marks[j]);

}

printf (“\n total: %d”, st[i].total);

printf(“\n average:%f”,st[i].avg);

printf(“\n grade:%s”,st[i].grade);

}

getch();

}

Output:

enter

2

enter the roll no...105

name...sheik raja

enter the three marks...89

87

78

enter roll no...110

name...sriram

enter the three marks...98

96

95

the student details in rankwise

roll no:105

name:sheik raja

marks in three subjects

89

87

78

total:254

average:84.666664

grade:distinction

roll no:110

name:sriram

marks in three subjects

98

96

95

total:289

average:96.3333336

grade:distinction