# KCS151/KCS251 PPS Lab Exercise Program: 06

## LAB Exercise Program: 06

#### KCS151P/KCS251P

##### LAB 3

Write a program to print the entire prime no between 1 and 300.

Write a program to print out all the Armstrong numbers between 100 and 500.

Write a program to draw the following figures:
3 2 1
2 1
1

*
**
***

Write a program to receive a five-digit no and display as like 24689:
2
4
6
8
9

##### LAB 4

Write a function that returns the sum of all the odd digits of a given positive no entered through the keyboard.

Write a program to print the area of the rectangle using function & return its value to the main function.

Write a program to calculate the factorial for the given number using a function.

Write a program to find the sum of the Fibonacci series using a function.

Write factorial function & use the function to find the sum of series S = 1! + 2! + … + n!

##### LAB 5

Write a program to find the factorial of the given number using recursion.

Write a program to find the sum of digits of a 5 digit number using recursion.

Write a program to calculate the GCD of given numbers using recursion.

Write a program to convert a decimal number into a binary number.

Write a program to convert a binary number into a decimal number.

##### LAB 6

Write a program to delete duplicate element in a list of 10 elements & display it on screen.

Write a program to merge two sorted arrays & no element is repeated during merging.

Write a program to evaluate the addition of diagonal elements of two square matrixes.

Write a program to find the transpose of a given matrix & check whether it is symmetric or not.

Write a program to print the multiplication of two N*N (Square) matrix.

##### LAB 7

Write a program in C to check whether the given string is a palindrome or not.

Write a program to sort the array of characters (String) in alphabetical order like STRING in GINRST.

Write a program to remove all the blank space from the string & print it, also count the no of characters.

Write a program to store the following string “zero”, “one”, … “five”.
Print the no in words, given in figure as 3205.

##### LAB 8

Write a program to compare two given dates. To store a date uses a structure that contains three members namely day, month, and year. If the dates are equal then display message equal otherwise unequal.

Define a structure that can describe a hotel. It should have the member that includes the name, address, grade, room charge, and the number of rooms.
Write a function to print out the hotel of given grade in order of room charges.

Define a structure called cricket with player name, team name, batting average, for 55 players & 5 teams. Print team-wise list contains names of players with their batting average.

##### LAB 9

Write a C program to copy & count the character content of one file, says a.txt to another file b.txt.

Write a program to take 10 integers from a file and write the square of these integers in another file.

Write a program to read numbers from a file and then write all ‘odd’ numbers to file ODD.txt & all ‘even’ to file EVEN.txt.

Write a program to print all the prime numbers, between 1 to 100 in file prime.txt.

Write the following C program using pointer:
a) To sort the list of numbers through the pointer.
b) To reverse the string through the pointer.

##### LAB 10

Write a program to find the largest no among 20 integers array using dynamic memory allocation.

Using Dynamic Memory Allocation, Write a program to find the transpose of the given matrix.

Write a program to find the factorial of the given number using the command line argument.

Write a program to find the sum of digits of a 5 digit number using the command line argument.

## 6. Write a program to find the value of y for a particular value of n. The a, x, b, n is input by userif n = 1 y = ax % bif n = 2 y = ax2 + b2if n = 3 y = a - bxif n = 4 y = a + x/b

				
/*
File: Prgrm06.c
Date: Jan 15, 2021
Description: Program to find the value of y for a particular value of n. The a, x, b, n is input by user
if n = 1     y = ax % b
if n = 2     y = ax&#xB2; + b&#xB2;
if n = 3     y = a - bx
if n = 4     y = a + x/b
*/

#include <stdio.h>

int main (void)
{
int a, x, b, n;
float y;

//Input a, x, b, n
printf ("Input a: ");
scanf ("%d", &a);
printf ("Input x: ");
scanf ("%d", &x);
printf ("Input b: ");
scanf ("%d", &b);
printf ("Input n: ");
scanf ("%d", &n);

//Calculate y on the basis of n
switch (n)
{
case 1:
printf ("y = ax % b = ");
y = (a * x) % b;
break;
case 2:
printf ("y = ax&#xB2; + b&#xB2;: ");
y = a * x * x + b * b;
break;
case 3:
printf ("y = a - bx = ");
y = a - b * x;
break;
case 4:
printf ("y = a + x/b = ");
y = (float) a + (float) x / (float) b;
break;
default:
printf ("Error! Wrong input of n.");
return 0;
}

//Print result
printf ("%.2f", y);

return 0;
};



### Try it yourself

#### Sample Input and Output

Stdin Inputs:

5 7 3 4

Sample Result:

Input a: 5
Input x: 7
Input b: 3
Input n: 4
y = a + x/b = 7.33