Programming World: 2014

Wednesday, 29 October 2014

PYRAMID STRUCTER

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j;

clrscr();

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

{

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

{

if((i+j)%2==0)

printf("1 ");

else

printf("0 ");

}

printf("\n");

}

getch();

}

OUTPUT:

0 1

1 0 1

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j,k=1;

clrscr();

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

{

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

{

printf("%d ",k);

k++;

}

printf("\n");

}

getch();

}

OUTPUT:

2 3

4 5 6

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j;

clrscr();

for(i=4;i>=1;i--)

{

for(j=i;j>=1;j--)

printf("%d ",j);

printf("\n");

}

getch();

}

OUTPUT:

4 3 2 1

3 2 1

2 1

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j;

clrscr();

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

{

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

printf("* ");

printf("\n");

}

getch();

}

OUTPUT:

* *

* * *

* * * *

* * * * *

MULTIPLICATION TABLE

/*MULTIPLICATION TABLE*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i,j,k;

clrscr();

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

{

printf("multiplication table of %d\n",i);

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

{

k=i*j;

printf("%d %d %d",i,j,k);

printf("\n");

}

printf("\n");

}

getch();

}

OUTPUT:

multiplication table of 1

1 1 1

1 2 2

1 3 3

1 4 4

1 5 5

1 6 6

1 7 7

1 8 8

1 9 9

1 10 10

multiplication table of 2

2 1 2

2 2 4

2 3 6

2 4 8

2 5 10

2 6 12

2 7 14

2 8 16

2 9 18

2 10 20

multiplication table of 3

3 1 3

3 2 6

3 3 9

3 4 12

3 5 15

3 6 18

3 7 21

3 8 24

3 9 27

3 10 30

multiplication table of 4

4 1 4

4 2 8

4 3 12

4 4 16

4 5 20

4 6 24

4 7 28

4 8 32

4 9 36

4 10 40

multiplication table of 5

5 1 5

5 2 10

5 3 15

5 4 20

5 5 25

5 6 30

5 7 35

5 8 40

5 9 45

5 10 50

Convert octal number to binary number

/*WAP to convert octal to binary*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

int oct,dec=0,d,t=0,bin=0,r=1;

clrscr();

printf("enter the octal number:");

scanf("%d",&oct);

while(oct!=0)

{

d=oct%10;

dec=dec+d*pow(8,t);

t++;

oct=oct/10;

}

while(dec!=0)

{

d=dec%2;

bin=bin+(d*r);

r=r*10;

dec=dec/2;

}

printf("the binary number is %d",bin);

getch();

}

OUTPUT:

enter the octal number:12

the binary number is 1010

Sum of digit of a given number

/*WAP to find out the sum of digit of a given number*/

#include<stdio.h>

#include<conio.h>

void main()

{

int n,d,r=0;

clrscr();

printf("enter the number:");

scanf("%d",&n);

while(n>0)

{

d=n%10;

r=r+d;

n=n/10;

}

printf("sum of digit is %d",r);

getch();

}

OUTPUT:

enter the number:123

sum of digit is 6

Convert the binary number to decimal number

/*WAP to convert the binary number to decimal number*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

int bin,dec=0,d,t=0;

clrscr();

printf("enter the binary number:");

scanf("%d",&bin);

while(bin!=0)

{

d=bin%10;

dec=dec+d*pow(2,t);

t++;

bin=bin/10;

}

printf("the decimal number is %d",dec);

getch();

}

OUTPUT:

enter the binary number:1111

the decimal number is 15

Convert the decimal number to binary number

/*WAP to convert the decimal number to binary number*/

#include<stdio.h>

#include<conio.h>

void main()

{

int dec,bin=0,d,t=1;

clrscr();

printf("enter the decimal number:");

scanf("%d",&dec);

while(dec!=0)

{

d=dec%2;

bin=bin+(d*t);

t=t*10;

dec=dec/2;

}

printf("the binary number is %d",bin);

getch();

}

OUTPUT:

enter the decimal number:15

the binary number is 1111

Convert the decimal number to octal number

/*WAP to convert the decimal number to octal number*/

#include<stdio.h>

#include<conio.h>

void main()

{

int dec,oct=0,d,t=1;

clrscr();

printf("enter the decimal number:");

scanf("%d",&dec);

while(dec!=0)

{

d=dec%8;

oct=oct+(d*t);

t=t*10;

dec=dec/8;

}

printf("the octal number is %d",oct);

getch();

}

OUTPUT:

enter the decimal number:10

the octal number is 12

Factorial of a number

/*WAP to find the factorial of a given number*/

#include<stdio.h>

#include<conio.h>

void main()

{

int n,i,s=1;

clrscr();

printf("enter the number:");

scanf("%d",&n);

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

s=s*i;

printf("%d!=%d",n,s);

getch();

}

OUTPUT:

enter the number:6

6!=720

Given number is a prime or not

/*WAP to check whether the given number is a prime or not*/

#include<stdio.h>

#include<conio.h>

void main()

{

int n,i,s=0;

clrscr();

printf("enter the number:");

scanf("%d",&n);

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

{

if(n%i==0)

s++;

}

if(s==2)

printf("%d is prime",n);

else

printf("%d is not a prime",n);

getch();

}

OUTPUT:

enter the number:19

19 is prime

Given number is a pallindrome or not

/*WAP to check whether the given number is a pallindrome or not*/

#include<stdio.h>

#include<conio.h>

void main()

{

int n,d,r=0,m;

clrscr();

printf("enter the number:");

scanf("%d",&n);

m=n;

while(n>0)

{

d=n%10;

r=r*10+d;

n=n/10;

}

if(m==r)

printf("%d is a pallindrome number",m);

else

printf("%d is not a pallindrome number",m);

getch();

}

OUTPUT:

enter the number:534

534 is not a pallindrome number

Generate the odd numbers between 1 to 100

/*WAP to generate the odd numbers between 1 to 100*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i;

clrscr();

printf("the odd numbers between 1 to 100 are:\n");

for(i=1;i<=100;i++)

{

if(i%2!=0)

printf("%d\t",i);

}

getch();

}

OUTPUT:

the odd numbers between 1 to 100 are:

1 3 5 7 9 11 13 15 17 19

21 23 25 27 29 31 33 35 37 39

41 43 45 47 49 51 53 55 57 59

61 63 65 67 69 71 73 75 77 79

81 83 85 87 89 91 93 95 97 99

Even number and odd number 1 to 20

/*WAP to generate the even and odd number 1 to 20*/

#include<stdio.h>

#include<conio.h>

void main()

{

int i;

clrscr();

printf("even number between 1 to 20 are:\n");

for(i=1;i<=20;i++)

{

if(i%2==0)

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

}

printf("odd number between 1 to 20 are:\n");

for(i=1;i<=20;i++)

{

if(i%2!=0)

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

}

getch();

}

OUTPUT:

even number between 1 to 20 are:

odd number between 1 to 20 are:

Fibonacci series

/*WAP to generate the fibonacci series*/

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c,n;

a=1,b=2;

clrscr();

printf("enter the value of n:");

scanf("%d",&n);

printf("%d %d ",a,b);

while(n>2)

{

c=a+b;

printf("%d ",c);

a=b;

b=c;

n--;

}

getch();

}

OUTPUT:

enter the value of n:5

1 2 3 5 8

Tuesday, 28 October 2014

Find the real root of a quadratic equation

/*WAP to find the real root of a quadratic equation*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

float a,b,c,d,r1,r2;

clrscr();

printf("enter the value of a,b and c:");

scanf("%f%f%f",&a,&b,&c);

d=b*b-4*a*c;

if(d<0)

printf("UNREAL ROOT");

else if(d==0)

{

r1=r2=-b/2*a;

printf("real roots are %.2f and %.2f",r1,r2);

}

else

{

r1=(-b+sqrt(d))/2*a;

r2=(-b-sqrt(d))/2*a;

printf("real roots are %.2f and %.2f",r1,r2);

}

getch();

}

OUTPUT:

enter the value of a,b and c:1 4 3

real roots are -1.00 and -3.00

Change the letter if it is in lower case to upper and vice-versa

/*WAP to change the letter if it is in lower case to upper and vice-versa*/

#include<stdio.h>

#include<conio.h>

void main()

{

char ch;

clrscr();

printf("enter the letter:");

scanf("%c",&ch);

if(ch>=65 && ch<=92)

{

ch=ch+32;

printf("letter is in upper case and its lower case is %c",ch);

}

else if(ch>=96 && ch<=122)

{

ch=ch-32;

printf("letter is in lower case and its upper case is %c",ch);

}

else

printf("INVALID LETTER");

getch();

}

OUTPUT:

enter the letter:g

letter is in lower case and its upper case is G

Check whether a year is a leap year or not

/*WAP to check whether a year is a leap year or not*/

#include<stdio.h>

#include<conio.h>

void main()

{

int yr;

clrscr();

printf("enter the year:");

scanf("%d",&yr);

if(yr%400==0||(yr%4==0 && yr%100!=0))

printf("%d is a leap year",yr);

else

printf("%d is not a leap year",yr);

getch();

}

OUTPUT:

enter the year:2000

2000 is a leap year

Enter marks in 5 subjects and print the divison

/*WAP to enter marks in 5 subjects and print the divison*/

#include<stdio.h>

#include<conio.h>

void main()

{

int n1,n2,n3,n4,n5;

float total,avg;

clrscr();

printf("enter 5 marks:");

scanf("%d%d%d%d%d",&n1,&n2,&n3,&n4,&n5);

total=n1+n2+n3+n4+n5;

avg=total/5;

if(avg>=60)

printf("FIRST CLASS");

else if(avg>=50)

printf("SECOND CLASS");

else if(avg>=30)

printf("THIRD CLASS");

else

printf("FAIL");

getch();

}

OUTPUT:

enter 5 marks:88 77 66 56 78

FIRST CLASS

Input a character and check it whether it is vowel or not using switch case

/*WAP to input a character and check it whether it is vowel or not using switch case*/

#include<stdio.h>

#include<conio.h>

void main()

{

char ch;

clrscr();

printf("enter the character:");

scanf("%c",&ch);

switch(ch)

{

case 'a':

case 'e':

case 'i':

case 'o':

case 'u':

case 'A':

case 'E':

case 'I':

case 'O':

case 'U':

printf("%c is vowel",ch);

break;

default:

printf("%c is not a vowel",ch);

}

getch();

}

OUTPUT:

enter the character:r

r is not a vowel

Check vowels using if....else statement

/*WAP to check vowels using if....else statement*/

#include<stdio.h>

#include<conio.h>

void main()

{

char ch;

clrscr();

printf("enter the character:");

scanf("%c",&ch);

if(ch=='a'||ch=='e'||ch=='i'||ch=='o'||ch=='u'||ch=='A'||ch=='E'||ch=='I' ||ch=='O'||ch =='U')

printf("%c is vowel",ch);

else

printf("%c is not a vowel",ch);

getch();

}

OUTPUT:

enter the character:r

r is not a vowel

Accept two number from the user and display their sum

/*WAP to accept two number from the user and display their sum*/

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

int a,b,s;

cout<<"Enter two numbers:";

cin>>a>>b;

s=a+b;

cout<<"Sum is "<<s;

getch();

}

OUTPUT:

Enter two numbers:45 55

Sum is 100

Find the largest of three numbers

/*WAP to find the largest of three numbers*/

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c;

clrscr();

printf("enter three numbers:");

scanf("%d%d%d",&a,&b,&c);

if(a>b && a>c)

printf("%d is gretest among them",a);

else if(b>c && b>a)

printf("%d is gretest among them",b);

else

printf("%d is gretest among them",c);

getch();

}

OUTPUT:

enter three numbers:333 656 767

767 is gretest among them

Finding area of triangle given its three side

/*WAP to find the area of a triangle given its three side*/

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

float p,q,r,a,s;

clrscr();

printf("enter the three sides:");

scanf("%f%f%f",&p,&q,&r);

s=(p+q+r)/2.0;

a=sqrt(s*(s-p)*(s-q)*(s-r));

printf("area of the triangle is %.2f",a);

getch();

}

OUTPUT:

enter the three sides:3 4 5

area of the triangle is 6.00