C Programs.problems

7/31/2019 C Programs.problems

1/8

Program to find the biggest number in given three numbers:

#include

main()

{int a,b,c;

clrscr();

printf(Enter any three numbers=);

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

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

{

printf(A is big);

}

elseif (b>c)

{printf(B is big);

}else

{printf(C is big);

}

getch();}Program to use switch statement:

#include

main()

{int a,b,c,choice;

clrscr();

printf(Choice of Demonstration\n);

printf(1.Addition\n);printf(2.Subtraction\n);

printf(3.Multiplication\n);

printf(4.Division\n);

printf(Enter the number corresponding to your choice=);

scanf(%d,&choice);

switch(choice)

{case 1:

printf(Enter any two numbers=);

scanf(%d%d,&a,&b);c=a+b;


2/8

printf(A+B=%d\n,c);

break;

case 2:


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

c=a-b;printf(A-B=%d\n,c);

break;

case 3:


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

c=a*b;

printf(A*B=%d\n,c);

break;

case 4:

printf(Enter any two numbers=);scanf(%d%d,&a,&b);

c=a/b;

printf(A/B=%d\n,c);

break;

default:printf(You have entered the wrong number please try again\n);

break;

}getch();

}

Program for prime number or not

#include

main()

{

int n, c = 2;

printf("Enter a number to check if it is prime\n");

scanf("%d",&n);

for ( c = 2 ; c


3/8

Program to print a table:#include

{

int a=0,b=1,n;

clrscr();

do

{

scanf(%d,&n);

b=b*n;

a++;

}while(a


4/8

Program to print factorial of given number:

#include

main()

{

int a,b;

long fact = 1;

clrscr();

printf(Enter a number=);

scanf(%d,&a);

b=1;

do

{

fact = fact*b;b++;

}while(b


5/8

Printing given number Table:

#include

main()

{

int a,b;clrscr();

printf(Enter the number\n=);

scanf(%d,&a);

for(b=1;b


6/8

Functions adding two numbers#include

void main()

{int sum(int a,int b);

int c;

clrscr();

printf("\nEnter a & b values=");

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

c=add(a,b);

printf("Result is=%d",c);

}

int add(int x,int y){

int c;

c=a+b;

return c;

}Reading & writing of array elements:

#include

void main ()

{int a[5]={5,8,3,1,6};

int i;

clrscr();

for(i=0;i


7/8

}

Reading & writing of 2 dimensional arrays

#include

void main(){

int a[3][3],r,c;

clrscr();

printf("\nEnter any nine elements:");

for(r=0;r


8/8

Strings: strings are arrays of characters i.e. they are characters arranged

one after another in memory. To mark the end of the string, C uses the null

character. Strings in C are enclosed with in double quotes.

#include

main()

{

char string[] = "Hello World";

printf("%s\n", string);

}

Output of program:

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