C programming

Sequential Program 

1. WAP to calculate sum of two numbers

#include <stdio.h>

int main()

{

    int a,b,sum;

 printf("Enter two numbers:”);

 scanf("%d %d", &a,&b);

 sum=a+b;

 printf("Sum= %d", sum);

 return 0;

}

output

Enter two numbers:2

3

Sum= 5

 

#include <stdio.h>

int main()

{

    int a,b,sum;

 printf("Enter two numbers:”);

 scanf("%d %d", &a,&b);

 sum=a+b;

 printf("Sum of %d and %d = %d", a,b,sum);

 return 0;

}

output

Enter two numbers:2

3

Sum of 2 and 3 = 5

 

2.  WAP to calculate the area of a rectangle in c. [Hints: a = l x b]

 #include <stdio.h>

int main()

{

    int b,l,area;

 printf("Enter length and breadth:”);

 scanf("%d %d", &l,&b);

area=l*b;

 printf("area of rectangle = %d", area);

 return 0;

}

output

Enter length and breadth:3

4

area of rectangle = 12

 

3. WAP to calculate the simple interest in c. [Hints: i= (ptr)/100]

#include <stdio.h>

int main()

{

    float p,t,r,si;

 printf("Enter principle,time,rate:”);

 scanf("%f %f %f", &p,&t,&r);

si=(p*t*r)/100;

 printf("simple interest = %f", si);

 return 0;

}

Output

Enter principle,time,rate:1000

2

12

simple interest = 240.000000

 

4. WAP to calculate the average of three number in c. [Hints: avg= (a+b+c)/3]

#include <stdio.h>

int main()

{

    float a,b,c,avg;

 printf("Enter three numbers:”);

 scanf("%f %f %f", &a,&b,&c);

avg=(a+b+c)/3;

 printf("average of three numbers = %f", avg);

 return 0;

}

Output

Enter three numbers:2

8

7

average of three numbers = 5.666667 

 

5.      WAP to calculate the volume of cylinder in c. [Hints: v= pi*r*r*h]

 #include <stdio.h>

int main()

{

    float pi=3.14,r,h,v;

 printf("Enter radius and height:”);

 scanf("%f %f", &r,&h);

v= pi*r*r*h;

 printf("volume of cylinder = %f", v);

 return 0;

}

Output

 

Enter radius and height:2

4

volume of cylinder = 50.240002 

6.  WAP to calculate the area of circle in c. [Hints: a= pi*r*r]

7.  WAP to calculate the circumference of circle in c. [Hints: c= 2pi*r]

8. WAP To convert degree Celsius and convert it into degree Fahrenheit where f=(9*c/5)+32.

9. WAP To find square of given number.

#include <stdio.h>

#include <math.h>

int main()

{

    int n,s;

 printf("Enter a number”);

 scanf("%d", &n);

s=pow(n,2);

 printf("square of %d = %d", n,s);

 return 0;

}

Output

Enter a number2

square of 2 = 4

10. WAP To find square root of given number.

#include <stdio.h>

#include <math.h>

int main()

{

    int n,s;

 printf("Enter a number”);

 scanf("%d", &n);

s=sqrt(n);

 printf("squareroot of %d = %d", n,s);

 return 0;

}

 

Note cuberoot: cbrt(n)


Conditional Program

1.      TO CHECK WHETHER GIVEN NUMBER IS POSITIVE OR NEGATIVE

#include <stdio.h>

int main()

{

    int n;

    printf("ENTER ANY NUMBER");

    scanf("%d",&n);

    if (n>0)  

    {

        printf("%d is positive number",n);

    }

        else        {

        printf("%d is negative number",n);

    }

    return 0;

} 

2.      TO CHECK WHETHER GIVEN NUMBER IS POSITIVE, NEGATIVE OR ZERO.

#include <stdio.h>

int main()

{

    int n;

    printf("ENTER ANY NUMBER");

    scanf("%d",&n);

    if (n>0)  

    {

        printf("%d is positive number",n);

    }

        else if (n<0)

        {

        printf("%d is negative number",n);

    }

      else

      {

        printf("%d is zero",n);

    }

    return 0;

} 

3.TO FIND THE SMALLEST NUMBER AMONG ANY TWO DIFFERENT NUMBERS

#include <stdio.h>

int main()

{

    int a,b;

    printf("Enter two numbers");

    scanf("%d %d",&a,&b);

    if (a<b)  

    {

        printf("%d is smaller than %d",a,b);

    }

      else

      {

        printf ("%d is smaller than %d",b,a);

      }

    return 0;

}

4. TO FIND THE GREATEST NUMBER AMONG ANY THREE DIFFERENT NUMBERS

 #include <stdio.h>

int main()

{

    int a,b,c;

    printf("Enter three numbers");

    scanf("%d %d %d",&a,&b,&c);

    if (a>b && a>c )  

    {

        printf("%d is greatest",a);

    }

      else if (b>a && b>c)

      {

        printf ("%d is greatest",b);

      }

      else

    {

        printf ("%d is greatest",c);

      }

         return 0;

}

 5. TO FIND THE MIDDLE NUMBER AMONG ANY THREE DIFFERENT NUMBERS

 #include <stdio.h>

int main()

{

    int a,b,c;

    printf("Enter three numbers");

    scanf("%d %d %d",&a,&b,&c);

    if ((a>b && a<c)||(a<b && a>c)) 

    {

        printf("%d is middle number",a);

    }

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

      {

        printf ("%d is middle number",b);

      }

      else

    {

        printf ("%d is middle number",c);

      }

     

    return 0;

}

 

6. TO TEST GIVEN NUMBER IS EXACTLY DIVISIBLE BY 7 OR NOT.

 #include <stdio.h>

int main()

{

    int n, r;

    printf("Enter a numbers");

    scanf("%d",&n);

    r=n%7;

    if (r==0) 

    {

        printf("%d is exactly divisible by 7",n);

    }

     

      else

    {

       printf("%d is not exactly divisible by 7",n);

      }

     

    return 0;

}

 

7. TO TEST GIVEN NUMBER IS ODD OR EVEN.

 #include <stdio.h>

int main()

{

    int n, r;

    printf("Enter a numbers");

    scanf("%d",&n);

    r=n%2;

    if (r==0) 

    {

        printf("%d is even number",n);

    }

     

      else

    {

       printf("%d is odd number",n);

      }

     

    return 0;

} 

8. TO CHECK WHETHER CITIZEN CAN VOTE OR NOT(IF VOTING AGE IS 18)

9. TO CHECK WHETHER STUDENT IS PASS OR FAIL IN SCIENCE(IF PASS MARKS IS 40)

10.TO FIND WHETHER A GIVEN YEAR IS A LEAP YEAR OR NOT.

Looping programs

1.      1,2,3,……10th term

#include <stdio.h>

int main()

{

    int i;

    for(i=1;i<=10;i++)

    {

        printf("%d\t",i);

    }

 

    return 0;

}

2.      10,9,8…….10th term

#include <stdio.h>

int main()

{

    int i;

    for(i=10;i>=1;i=i-1)

    {

        printf("%d\t",i);

    }

 

    return 0;

}

3.      1,3,5…….10th term

#include <stdio.h>

int main()

{

    int i;

    for(i=1;i<=10;i+=2)

    {

        printf("%d\t",i);

    }

     return 0;

}

4.      2,4,6…….10th term

#include <stdio.h>

int main()

{

    int i;

    for(i=2;i<=10;i+=2)

    {

        printf("%d\t",i);

    }

     return 0;

}

5.      1,2,4,7…….10th term

#include <stdio.h>

int main()

{

    int i,a=1;

    for(i=1;i<=10;i++)

    {

        printf("%d\t",a);

        a=a+i;

    }

     return 0;

}

6.      1,8,27…….10th term

#include <stdio.h>

#include <math.h>

int main()

{

    int i, a;

    for(i=1;i<=10;i=i+1)

    {

        a=pow(i,3);

        printf("%d\t",a);

    }

     return 0;

}

7.      5,10,15…….10th term

#include <stdio.h>

int main()

{

    int i, a=5;

    for(i=1;i<=10;i=i+1)

    {

        printf("%d\t",a);

        a=a+5;

    }

     return 0;

}

 

8.      5,25,125…….10th term

 

#include <stdio.h>

#include <math.h>

int main()

{

    int i, a;

    for(i=1;i<=10;i=i+1)

    {

        a=pow(5,i);

        printf("%d\t",a);

    }

     return 0;

}

9.      0,1,1,2…….10th term

#include <stdio.h>

int main()

{

    int i, a=0,b=1,c;

     printf("%d\t",a);

    printf("%d\t",b);

    for(i=1;i<=10;i=i+1)

    {

        c=a+b;

        a=b;

        b=c;

        printf("%d\t",c);

    }

 

    return 0;

}

10.  7,22,11,34…….10th term

#include <stdio.h>

int main()

{

    int i, n=7;

        for (i=1;i<=10;i=i+1)

    {

        printf("%d\t", n);

        if (n % 2 == 0)

            n = n / 2;

        else

            n = 3 * n + 1;

    }

        return 0;

}

Prime or composite

#include <stdio.h>

int main()

{

    int n, i, c = 0; 

    printf("Enter a number:");

    scanf("%d", &n);

    for (i =1;i<=n; i++) 

    {

        if (n % i == 0) 

        {

            c = c+1;

        }

    }

    if (c==2)

    {

        printf("%d is a prime number.", n);

    }

    else

    {

        printf("%d is a composite number.", n);

    }

    return 0;


}

Palindrome number or not

#include <stdio.h>

int main()

{

    int n,z,s,r;

        printf("ENTER ANY NUMBER: ");

    scanf("%d", &n);

   

     z = n;   

   s = 0;   

    while (n != 0)

    {

        r = n % 10;

        s = s * 10 + r;

        n = n / 10;

    }

    if (z == s)

        printf("%d IS PALINDROME\n", z);

    else

        printf("%d IS NOT PALINDROME\n", z);

        return 0;

}

Armstrong number or not

#include <stdio.h>

int main()

{

    int n, z, s = 0, r;

 

    printf("ENTER ANY NUMBER: ");

    scanf("%d", &n);

 

    z = n; 

 

    while (n != 0)

    {

        r = n % 10;        

        s = s + r * r * r;  

        n = n / 10;         

    }

 

    if (z == s)

        printf("%d IS AN ARMSTRONG NUMBER\n", z);

    else

        printf("%d IS NOT AN ARMSTRONG NUMBER\n", z);

 

    return 0;

}

8 


 


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