List Of Programs

SESSION 1
session 1
To accept two numbers and perform basic arithmetic operations (+, - *, /, %)
Step 1: Start.
Step 2: Read two numbers.
Step 3: Compute addtion, subtraction, multiplication, division and modulo division between these numbers.
Step 4: Display results.
Step 5: Stop. 
#include <stdio.h>
                    
int main()
{
  int a, b;
  printf("Enter two numbers: ");
  scanf("%d %d", &a, &b);

  int sum = a+b;
  int subtraction = a-b;
  int multiplication = a*b;
  float division = a/(float)b;
  int moduloDivision = a%b;

  printf("Sum = %d\n", sum);
  printf("Subtraction = %d\n", subtraction);
  printf("Multiplication = %d\n", multiplication);
  printf("Division = %f\n", division);
  printf("Modulo division = %d\n", moduloDivision);

  return 0;
}
session 1
To find the volume of a Sphere using the formula, Volume = (4/3) π r³
Step 1: Start.
Step 2: Read radius.
Step 3: Compute volume = (4/3)*π*radius³
Step 4: Display volume.
Step 5: Stop. 
#include <stdio.h>
                           
int main()
{
  int r;
  float volume;

  printf("Enter radius: ");
  scanf("%d", &r);

  volume = (4/3.0)*3.14*r*r*r;

  printf("Volume of sphere with radius %d is: = %f\n", r, volume);

  return 0;
}
session 1
To find the area of a Triangle with 3 sides given using formula, Area = √(s(s-a) (s-b) (s-c))
Step 1: Start.
Step 2: Read three sides a, b, c.
Step 3: Compute semi parameter, s = [(a+b+c)/2] and area = √(s(s-a)(s-b)(s-c))
Step 4: Display area.
Step 5: Stop. 
#include <stdio.h>
                    
// To compute square root
#include <math.h>

int main()
{
  int a, b, c;
  float s, area;

  printf("Enter a, b and c: ");
  scanf("%d %d %d", &a, &b, &c);

  s = (a+b+c)/2.0;
  area = sqrt(s*(s-a)*(s-b)*(s-c));

  printf("Area of triangle is: %f\n", area);

  return 0;
}
SESSION 2
session 2
Given the values of the variables x, y and z, write a program to rotate their values such that x has the value of y, y has the value of z, and z has the value of x.
Step 1: Start.
Step 2: Declare temp and read three variables x, y and z and display them.
Step 3: Swap value of temp with x, value of x with y and value of z with temp.
Step 4: Display swapped values.
Step 5: Stop. 
#include <stdio.h>

int main()
{
  int x, y, z;
  int temp;

  printf("Enter x, y, z: ");
  scanf("%d %d %d", &x, &y, &z);

  printf("Entered values:\n");
  printf("x=%d, y=%d and z=%d\n", x, y, z);

  temp = x;
  x = y;
  y = z;
  z = temp;

  printf("Swapped values:\n");
  printf("x=%d, y=%d and z=%d\n", x, y, z);

  return 0;
}
session 2
To read floating-pointing number and then displays the right-most digit of the integral part of the number.
Step 1: Start.
Step 2: Declare integral and rightmost part and read floating-pointing number.
Step 3: Compute integral part using type casting and rightmost part by modulo operator.
Step 4: Display rightmost part.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    float number;
    int integralPart, rightmostPart;

    printf("Enter floating-pointing number: ");
    scanf("%f", &number);

    integralPart = (int)number;
    rightmostPart = integralPart%10;

    printf("Rightmost integral part = %d\n", rightmostPart);
    
    return 0;
}
session 2
To read floating-pointing number, separate and displays the integral and decimal part of the given.
Step 1: Start.
Step 2: Read floating-pointing number.
Step 3: Compute integral part using type casting. Decimal part is difference of number and integral part.
Step 4: Display decimal part and integral part.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    float number, decimalPart;
    int integralPart;

    printf("Enter floating-pointing number: ");
    scanf("%f", &number);

    integralPart = (int)number;
    decimalPart = number - integralPart;

    printf("Decimal part = %f and integral part = %d\n", decimalPart, integralPart);
    
    return 0;
}
session 2
To print the size of various data types in "C" programming language using "sizeof" operator
Step 1: Start.
Step 2: Display size of char, int, float and double datatype using sizeof() operator.
Step 3: Stop. 
#include <stdio.h>

int main()
{
    printf("Size of char : %d bytes\n", sizeof(char));
    printf("Size of int : %d bytes\n", sizeof(int));
    printf("Size of float : %d bytes\n", sizeof(float));
    printf("Size of double : %d bytes\n", sizeof(double));
    
    return 0;
}
SESSION 3
session 3
Using "ternary" operator, check whether a given number is Positive or Negative
Step 1: Start.
Step 2: Read number.
Step 3: Check whether number is > 0 (positive); else check if number is equal to zero, else negative.
Step 4: Display positive, zero or negative.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    int number;
    printf("Enter number: ");
    scanf("%d", &number);

    (number > 0)? 
    printf("Number is positive.\n"): 
    (number == 0)? printf("Number is zero.\n"): printf("Number is negative.\n");
    
    return 0;
}
session 3
Using "ternary" operator, to check whether a given Year is a Leap Year or Not
Step 1: Start.
Step 2: Read year.
Step 3: Check if year is completely divisible by 400 then leap year else if year is divible by 4 and not divisible by 100 then also leap year; else not a leap year.
Step 4: Display leap year or not.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    int year;
    printf("Enter year: ");
    scanf("%d", &year);

    (year%400 == 0)? 
    printf("%d is a leap year.\n", year): 
    (year%4 == 0 && year%100 != 0)? 
    printf("%d is a leap year.\n", year): 
    printf("%d isn't a leap year.\n", year);
    
    return 0;
}
session 3
Using "ternary" operator, find the largest of three numbers
Step 1: Start.
Step 2: Read three numbers a, b and c.
Step 3: Check if a is greater than both a and c ->
   then a is largest
   else if b is greater than c -> then b is largest
   else c is largest.
Step 4: Display largest.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    int a, b, c;
    printf("Enter three numbers: ");
    scanf("%d %d %d", &a, &b, &c);

    (a>b && a>c)?
    printf("%d is largest.\n", a):
    (b>c)?
    printf("%d is largest.\n", b): printf("%d is largest.\n", c);
    
    return 0;
}
session 3
Using "&" operator, check whether a given number is Odd or Even
Step 1: Start.
Step 2: Read a number.
Step 3: Check whether number gives 1 after bitwise-and(&) operation with 1 then odd; else even.
Step 4: Display even or odd.
Step 5: Stop. 
#include <stdio.h>

int main()
{
    int number;
    printf("Enter number: ");
    scanf("%d", &number);

    (number&1 == 1)?
    printf("%d is odd.\n", number):
    printf("%d is even.\n", number);
    
    return 0;
}
SESSION 4
session 4
To illustrate the use of increment operator (postfix & prefix)
Step 1: Start.
Step 2: Read a number.
Step 3: Display number before and after performing postfix and prefix increment.
Step 4: Stop. 
#include <stdio.h>
                    
int main()
{
    int number;
    printf("Enter a number: ");
    scanf("%d", &number);

    printf("Number = %d\n", number);
    printf("Printing number and doing postfix increment: %d\n", number++);
    printf("Number after postfix increment = %d\n\n", number);

    printf("Number = %d\n", number);
    printf("Printing number and doing prefix increment: %d\n", ++number);
    printf("Number after prefix increment = %d\n\n", number);
    
    return 0;
}
session 4
To illustrate the use of decrement operator (postfix & prefix)
Step 1: Start.
Step 2: Read a number.
Step 3: Display number before and after performing postfix and prefix decrement.
Step 4: Stop. 
#include <stdio.h>
                    
int main()
{
    int number;
    printf("Enter a number: ");
    scanf("%d", &number);

    printf("Number = %d\n", number);
    printf("Printing number and doing postfix decrement: %d\n", number--);
    printf("Number after postfix decrement = %d\n\n", number);

    printf("Number = %d\n", number);
    printf("Printing number and doing prefix decrement: %d\n", --number);
    printf("Number after prefix decrement = %d\n\n", number);
    
    return 0;
}
session 4
To perform the following using bitwise operators: c = a & b ; d = a | b ; e = ~a f = a >> n; g = a << n; h = a ^ b
Step 1: Start.
Step 2: Read three numbers.
Step 3: Compute binary and, or, not, xor, right shift and left shift operations.
Step 4: Display results.
Step 5: Stop. 
#include <stdio.h>
                    
int main()
{
    int a, b, n;
    int c, d, e, f, g, h;
    printf("Enter three number a, b and n: ");
    scanf("%d %d %d", &a, &b, &n);
    
    c = a&b;
    d = a|b;
    e = ~a;
    f = a>>n;
    g = a<<n;
    h = a^b;

    printf("a&b = %d\n", c);
    printf("a|b = %d\n", d);
    printf("~a = %d\n", e);
    printf("a>>n = %d\n", f);
    printf("a<<n = %d\n", g);
    printf("a^b = %d\n", h);
    
    return 0;
}
SESSION 5
session 5
To determine whether a given number is "Odd" or "Even" and print the message NUMBER IS EVEN or NUMBER IS ODD with and without using "else" statement.
Step 1: Start.
Step 2: Read a number.
Step 3:
  • If number gives remainder 0 after division by 2 then it is even, else odd.
  • Compute even or odd.
Step 4: Display number is even or odd.
Step 5: Stop. 
#include <stdio.h>
                    
int main()
{
    int n;
    printf("Enter a number: ");
    scanf("%d", &n);

    printf("With using 'else' statement:\n");
    if (n%2 != 0)
    {
        printf("NUMBER IS ODD\n");
    }
    else
    {
        printf("NUMBER IS EVEN\n");
    }

    printf("Without using 'else' statement:\n");
    if (n%2 != 0)
    {
        printf("NUMBER IS ODD\n");
    }
    if (n%2 == 0)
    {
        printf("NUMBER IS EVEN\n");
    }
    
    return 0;
}
session 5
To determine whether a given number is "Positive", Negative" or "ZERO" and print the message "NUMBER IS POSITIVE", "NUMBER IS NEGATIVE" or "NUMBER IS ZERO" using nested "if" statement.
Step 1: Start.
Step 2: Read a number.
Step 3: Check whether number is greater than, or equal to or less than zero.
Step 4: Display number is negative, zero or positive.
Step 5: Stop. 
#include <stdio.h>
                    
int main()
{
    int n;
    printf("Enter a number: ");
    scanf("%d", &n);

    if (n >= 0)
    {
        if (n == 0)
        {
            printf("NUMBER IS ZERO.\n");
        }
        else
        {
            printf("NUMBER IS POSITIVE.\n");
        }
    }
    else
    {
        printf("NUMBER IS NEGATIVE.\n");
    }                    
    
    return 0;
}
session 5
To compute all the roots of a quadratic equation by accepting the non-zero coefficients. Print appropriate messages.
Step 1: Start.
Step 2: Read a number.
Step 3: Check whether number is greater than, or equal to or less than zero.
Step 4: Display number is negative, zero or positive.
Step 5: Stop. 
#include <stdio.h>
#include <math.h>
                    
int main()
{
    float a, b, c;
    printf("Enter coefficient of x², x and a constant: ");
    scanf("%f %f %f", &a, &b, &c);

    if (a != 0)
    {
        float x1, x2;
        float d = b*b-(4*a*c);

        if (d > 0)
        {
            printf("Roots are real and different:\n");
            x1 = (-b + sqrt(d)) / (2*a);
            x2 = (-b + sqrt(d)) / (2*a);
            printf("x1: %f, x2: %f\n", x1, x2);
        }
        else if (d == 0)
        {
            printf("Roots are real and equal:\n");
            x1 = -b / (2*a);
            printf("x1 = x2 = %f\n", x1);
        }
        else
        {
            printf("Roots are imaginary:\n");
            float realPart = -b / (2*a);
            float imgPart = sqrt(-d) / (2*a);
            printf("x1: %f+%fi, x2: %f-%fi\n", realPart, imgPart, realPart, imgPart); 
        }
    }
    else
    {
        printf("Equation is not quadratic.\n");
    }
    
    return 0;
}
SESSION 6
session 6
To generate an electricity bill by accepting meter number of the consumer, number of units consumed and print out the detail charges for the below scenario:

An electricity board charges the following rates for the use of electricity:
  • for the first 200 units 80 paise per unit
  • for the next 100 units 90 paise per unit
  • beyond 300 units Rs 1 per unit
All users are charged a minimum of Rs. 100 as meter charge. If the total amount is more than Rs. 400, then an additional surcharge of 15% of total amount is charged.
Step 1: Start.
Step 2: Read meter number and units.
Step 3: Compute total amount according to units consumed. (According to question)
Step 4: Display meter number and total amount.
Step 5: Stop. 
#include <stdio.h>
                    
int main()
{
    int meterNumber;
    float units, totalAmount = 100;
    printf("Enter meter number and number of units consumed: ");
    scanf("%d %f", &meterNumber, &units);

    if (units <= 200)
    {
        totalAmount += units*0.8;
    }
    else if (units <= 200+100)
    {
        totalAmount += 200*0.8;
        totalAmount += (units-200)*0.9;
    }
    else
    {        
        totalAmount += 200*0.8;
        totalAmount += 100*0.9;
        totalAmount += (units-300)*1;
    }

    if (totalAmount > 400)
    {
        totalAmount += totalAmount*0.15;
    }
    
    printf("Total totalAmount for Meter-%d is: RS %.2f\n", meterNumber, totalAmount);
    
    return 0;
}