C program to print a pattern

Q: 1

1 2

1 2 3

1 2 3 4

#include

#include

void main()

{

int i,j,n,k=1;

clrscr();

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf(" ");

}

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

{

printf("%d ",k);

}

printf("\t\n");

}

getch();

}

C program to print a pattern

Q: 5

4 4

3 3 3

2 2 2 2

1 1 1 1 1

#include #include void main() { int i,j=1,n,k=1; clrscr(); printf("enter value of n:"); scanf("%d",&n); for(i=n;i>=1;i--) { printf("\t\n"); for(k=1;k<=j;k++) { printf("%d",i); } j++; printf("\t\n"); } getch(); }

C program to print a pattern

Q: print 1

1 2

1 2 3

1 2 3 4

#include

#include

void main()

{

int i,j,n,k;

clrscr();

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf(" ");

}

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

{

printf("%d",k);

}

printf("\n");

}

getch();

}

C program to print a pattern

Q:

!

2 3

4 5 6

7 8 9 10

#include

#include

void main()

{

int i,j,n,k=1,c=1;

clrscr();

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf(" ");

}

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

{

printf("%d ",c);

c++;

}

printf("\t\n");

}

getch();

}

C program to print a pattern

Q: 1

2 2

3 3 3

4 4 4 4

#include

#include

void main()

{

int i,j,n,k;

clrscr();

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf(" ");

}

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

{

printf("%d ",i);

}

printf("\t\n");

}

getch();

}

C program to print a pattern

Q:

1

22

333

4444

55555

#include

#include

void main()

{

int i,j,n,k;

clrscr();

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf(" ");

}

printf("\t\n");

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

{

printf("%d",i);

}

printf("\t\n");

}

getch();

}

C program to print a pattern

Q:Print 1

22

333

4444

55555

#include

#include

void main()

{

int i,j,n;

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf("%d",i);

}

printf("\n");

}

getch();

}

C program to print a pattern

Q: Print 1 2 3 4 5

1 2 3 4 5

1 2 3 4 5

1 2 3 4 5

#include

#include

void main()

{

int i,j,n;

printf("enter value of n:");

scanf("%d",&n);

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

{

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

{

printf("%d",j);

}

printf("\n");

}

getch();

}

C program to convert decimal into octal numbers

Q: program to find octal equivalent

#include

#include

#include

void main()

{

int no;

clrscr();

printf("enter any no: ");

scanf("%d",&no);

printf("octal=%o",no);

getch();

}

C program to print armstrong numbers

Q:A program to print Armstrong numbers between 1 to 500

#include

#include

#include

void main ()

{

int i=1,a,b,c;

clrscr();

while(i<=500)

{

a=i%10;

b=i%100;

b=(b-a)/10;

c=i/100;

if(a*a*a+b*b*b+c*c*c==i)

{

printf("armstrong no.:%d\n",i);

}

i++;

}

getch();

}

C program to print ascii values

Q:program to print all the ascii values and their equivalent characters using a while loop

#include

#include

#include

void main ()

{

int i=0;

clrscr();

while(i<=255)

{

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

i++;

}

getch();

}

C program to find power

Q: program to find the power of any number without using the function power

#include

#include

void main()

{

int no1,no2,i=1;

long int power=1;

printf("enter two nombers :);

scanf("%d",&no1);

scanf("\n%d",&no2);

while(no2>i)

{

power=power*x;

i++;

}

printf("%d",power);

getch();

}

C program to find power of any number

Q: To find the value of one number raised to another number using the power function.

#include

#include

#include

void main ()

{

int a,b,c;

printf("enter first no.");

scanf("%d",&a);

printf("enter second no.");

scanf("%d",&b);

c=pow(a,b);

printf("%d",c);

getch();

}

C program to find factorial

Q: program to find the factorial value of any number entered through the keyboard.

#include

#include

void main()

{

int i=1,num,fact=1;

clrscr();

printf("enter any number: ");

scanf("%d",&num);

while(i<=num)

{

fact=fact*i;

i++;

}

printf("\tfactorial=%d",fact);

getch();

}

C program to print result of a series

Q: program to print total of 1-2+3-4+5-6+7....

#include

#include

void main()

{

int k,sum=0;

clrscr();

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

{

if(k%2==1)

sum=sum+k;

else

sum=sum-k;

}

printf("sum=%d ",sum);

getch();

}

C program to print a series

Q: program to print total of (1/2)+(2/3)+....+(9/10)

#include

#include

void main()

{

float i=1,k,j=2,sum=0;

clrscr();

for(k=1;k<=9;k++)

{

sum=sum+(i/j);

i++;

j++;

}

printf("sum=%f ",sum);

getch();

}

C program to print sum of first 50 natural numbers

Q:program to print total of 1 to 50

#include

#include

void main()

{

int i,sum=0;

clrscr();

for(i=0;i<=50;i++)

{

sum=sum+i;

}

printf("sum=%d ",sum);

getch();

}

C program to print even numbers between 0 to 200

Q: program to print first 100 even numbers

#include

#include

void main()

{

int i;

clrscr();

for(i=0;i<=200;i++)

{

if(i%2==0)

printf("%d ",i);

}

getch();

}

C program to print series

Q: program to print 1,11,20,28,35,41,46,50,...........

#include

#include

void main()

{

int i=10,sum=1;

clrscr();

printf("%d ",sum);

for(i=10;i>=1;i--)

{

sum=sum+i;

printf("%d ",sum);

}

getch();

}

C program to print a series

Q: program to print 1,10,2,9,3,8,4,7,5,6.....

#include

#include

void main()

{

int i=1,c,j=10;

clrscr();

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

{

if(c%2==1)

{

printf("%d ",i);

i++;

}

else

{

printf("%d ",j);

j--;

}

}

getch();

}

C program to print ten natural numbers in reverse

Q:program to print 10 to 1

#include

#include

void main()

{

int i;

clrscr();

for(i=10;i>=1;i--)

{

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

}

getch();

}

C program to print the squares of natural numbers

Q: program to print 1,2,4,6,16,....

#include

#include

void main()

{

int i=1,p=1;

clrscr();

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

while(p<64)

{

p=(p*2);

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

}

getch();

}

C program to print even numbers

\\program to print 2,4,6,8....

#include

#include

void main()

{

int i;

clrscr();

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

{

if(i%2==0)

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

}

getch();

}

C program to print ten natural numbers

\\program to print 1 to 10

#include

#include

void main()

{

int i;

clrscr();

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

{

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

}

getch();

}

Counting of array elements

Q: nos are entered thru the keyboard and the no. of positive,negative and zero elements also the count of odd and even nos present in the array are displayed

#include

#include

void main()

{

int a[25],i,z=0,p=0,n=0,o=0,e=0;

clrscr();

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

{

printf("enter any no.:");

scanf("%d",&a[i]);

}

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

{

if(a[i]==0)

z++;

else if(a[i]>0)

p++;

else

n++;

}

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

{

if(a[i]%2==0)

e++;

else

o++;

}

printf("no of Zero elements:%d\n",z);

printf("no of positive nos:%d\n",p);

printf("no of negative nos:%d\n",n);

printf("no of odd nos:%d\n",o);

printf("no of even nos:%d\n",e);

getch();

}

Search no. in array

Q: nos are entered thru the keyboard and the no. searched by the user is displayed if it is present in the array

#include

#include

void main()

{

int a[25],i,n,c=0;

clrscr();

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

{

printf("enter any no.:");

scanf("%d",&a[i]);

}

printf("Enter the no. to be searched:");

scanf("%d",&n);

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

{

if(n==a[i])

c++;

}

if(c>0)

{

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

printf("the no is present %d times",c);

}

else

printf("no. not present in array");

getch();

}

C program to check if input year is leap year

Q:C program to check if input year is leap year or not when the year is input from the user

#include

#include

void main()

{

int year;

clrscr();

printf("enter any year: ");

scanf("%d",year);

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

{

printf("this year is leap year");

}

else

{

printf("this year is not leap year");

}

getch();

}

c program to check position of point in a circle

Q:Write a c program to check whether a given point is outside, inside or on the circle when radius and coordinates of points are input

#include

#include

void main()

{

int x,y,r,d;

clrscr();

printf("enter x co ordinate");

scanf("%d",&x);

printf("enter y co ordinate");

scanf("%d",&y);

printf("enter radius");

scanf("%d",&r);

d=(x*x)+(y*y);

r=r*r;

if(d==r)

{

printf("point is on the circle");

}

else if(d>r)

{

printf("point is outside the circle");

}

else if(d

{

printf("point is inside the circle");

}

getch();

}

C program to check if points are collinear

Q:Given three points,write a program to check whether the given points fall in a straight line

#include

#include

void main()

{

int x1,x2,y1,y2,x3,y3;

int s1,s2,s3;

clrscr();

printf("enter value of x1,y1:");

scanf("%d%d",&x1,&y1);

printf("enter value of x2,y2:");

scanf("%d%d",&x2,&y2);

printf("enter value of x3,y3:");

scanf("%d%d",&x3,&y3);

s1=abs(x2-x1)/abs(y2-y1);

s2=abs(x3-x1)/abs(y3-y1);

s3=abs(x3-x2)/abs(y3-y2);

if(s1==s2&&s1==s3)

{

printf("points are collinear");

}

else

{

printf("points are not collonear");

}

getch();

}

C program to compare area and perimeter

Q:Given the length and breadth of rectangular,write a program to find whether the area of the rectangle is greater than its perimeter.

#include

#include

void main()

{

int l,b,a,p;

clrscr();

printf("enter the length: ");

scanf("%d",&l);

printf("enter the bragth: ");

scanf("%d",&b);

a=l*b;

p=2*l+2*b;

if(a>p)

{

printf("area is big");

}

else

{

printf("perameter is big");

}

getch();

}

C program to check validity of triangle

Q:Write a c program to check whether a triangle is valid or not ..when the three angles of the triangle are entered through keyboard.A triangle is valid if sum of all angles is 180

#include

#include

void main()

{

int A1,A2,A3;

clrscr();

printf("enter three angles: ");

scanr("%d",&A1);

scanf("\n%d",&A2);

scanf("\n%d",&A3);

if(A1+A2+A3==180)

{

printf("valid tringle");

}

else

{

printf("invalid tringle");

}

getch();

}

C program to show age comparision

Q: IF the ages of ram, shyam and Ajay are input through the keyboard,write a program to determine the youngest of three

#include

#include

void main()

{

int Ar,As,Aa;

printf("enter the age of ram,shyam,ajay");

scanf("%d%d%d",&Ar,&As,&Aa);

if(Ar

{

printf("ram is youngest");

}

elseif(As

{

printf("shyam is youngest");

}

else

{

printf("ajay is youngest");

}

getch();

}

C program to display day on !st january of any year

Q:According to Gregorian calendar,it was monday on 01/01/1900.If any year is input through the keyboard.write a program to find out what was the date on 1st January of that year

#include

#include

void main()

{

long int nd,ld,td,fd,year;

clrscr();

printf("enter the year");

scanf("%ld",&year);

nd=(year-1)*365;

ld=(year-1)/4-(year-1)/100+(year-1)/400;

td=nd+ld;

fd=td%7;

if(fd==0)

printf("\n monday");

if(fd==1)

printf("\n tuesday");

if(fd==2)

printf("\n wednesday");

if(fd==3)

printf("\n thursday");

if(fd==4)

printf("\n friday");

if(fd==5)

printf("\n saturday");

if(fd==6)

printf("\n sunday");

getch();

}