Programming in C Laboratory Quiz

Course Information

• Institution: Sai Ram Engineering College
• Department: Mechanical Engineering
• Batch: 2024-2028
• Semester: First
• Course: Programming in C Laboratory
• Academic Year: 2024-2025
• Course Code: 24ESPL101

Laboratory Experiments

• Experiment 1: I/O statements and expressions

  • Aim: To write a C program to display values using data types.
  • Algorithm: Start, declare int, float, char variables, get input values, display values, stop.
  • Program: Includes <stdio.h>, declares integer, float, and character variables. Prompts the user to enter integer, float, and string values, reads the input values using scanf, prints the input values using printf.

• Experiment 2: Evaluate area of a triangle

  • Aim: To evaluate the area of a triangle using the Heron's formula.
  • Algorithm: Start, input sides (a, b, c), calculate semi-perimeter (s), calculate area (area = sqrt(s * (s - a) * (s - b) * (s - c))), print area, stop.
  • Program: Includes <stdio.h> and <math.h>, declares integer variables for sides (a, b, c) and float variables for semi-perimeter (s) and area (area). Prompts the user to enter the values of a, b, and c, reads the input values using scanf, calculates the area using the Heron's formula, and prints the calculated area using printf.

• Experiment 3: Check positive, negative or zero

  • Aim: To check whether a given number is positive, negative, or zero using if-else statements.
  • Algorithm: Start, input number, check if number > 0 (positive), number < 0 (negative), otherwise (zero), print result, stop.
  • Program: Includes <stdio.h>, declares an integer variable (num), gets input, uses if-else statements to determine whether the number is positive, negative, or zero and prints the result.

• Experiment 4: Greatest among two numbers

  • Aim: To find the greatest between two numbers using if-else statement.
  • Algorithm: Start, input two numbers (x and y), compare x and y, if x > y print x is greater, else if x < y print y is greater, else print x and y are equal, stop.
  • Program: Includes <stdio.h>, declares integer variables (x and y), gets inputs, uses if-else statements to compare the values and print the largest number.

• Experiment 5: Greatest among three numbers

  • Aim: To determine the greatest among three numbers using nested if-else.
  • Algorithm: Start, input three numbers (a, b, c), use nested if-else to compare and identify the largest, print result, end.
  • Program: Includes <stdio.h>, declares integer variables (a, b, c), gets inputs, uses nested if-else to compare the values and prints the largest number.

• Experiment 6: Check divisibility

  • Aim: To check if a number is divisible by 5 or 8, or both, using else if ladder.
  • Algorithm: Input a number, check divisibility by 5, then by 8, print result; end.
  • Program: Includes <stdio.h>, declares integer variable (a), gets input, uses if-else-if ladder to check divisibility rules and prints corresponding results.

• Experiment 7: Find Factorial

  • Aim: To calculate a factorial of a given number.
  • Algorithm: Start, input number, calculate factorial, display factorial, end.
  • Program: Includes <stdio.h>, declares integer variable (num), long variable (fact), calculate factorial using for loop, display result.

• Experiment 8: Find Average of 4 numbers

  • Aim: To calculate the average of 4 integers.
  • Algorithm: Input 4 numbers, calculate the sum, divide by 4, print the average, end.
  • Program: Includes <stdio.h>, declares integers for input numbers (num), sum, and average; calculates sum and average.

• **Experiment 9: Print half pyramid of * **

  • Aim: To print a half pyramid of asterisks.
  • Algorithm: Start, input number of rows, loop for each row, print asterisks increasing each row, end.
  • Program: Includes <stdio.h>, Takes input from user of number of rows, prints based on rows using nested for loops.

• Experiment 10: Display array elements

  • Aim: To display array elements in a 2D array
  • Algorithm: Declare a two-dimensional array, take input values into the array, and print elements.
  • Program: Includes <stdio.h>, declares 2D integer array, Takes input element in each row/column using nested for loops, print elements in a formatted manner

• Experiment 11: Perform swapping

  • Aim: To swap two numbers using a function.
  • Algorithm: Start, input two numbers, call a swap function which swaps the numbers, display swapped values, stop.
  • Program: Includes <stdio.h>, declares integer variables a, b and temporary variable for swapping. Takes input from user, calls the function to swap the values, displays result using printf.

• Experiment 12: Generate prime numbers

  • Aim: To display all prime numbers between two intervals using a function.
  • Algorithm: Input two numbers, loop through the numbers between the intervals using for loop, if prime print number, end.
  • Program: Includes <stdio.h>, declares integer variables for input numbers, use a user defined function to check for prime numbers using for loop.

• Experiment 13: Solve Towers of Hanoi

  • Aim: To solve Tower of Hanoi using recursion.
  • Algorithm: Start, Use recursion function, execute the function, end.
  • Program: Includes <stdio.h>, has recursive function to move disks from one rod to another via auxiliary rod.

• Experiment 14: Largest element in an array

  • Aim: To find the largest element in an array using a function.
    • Algorithm: Input size of array and elements using a for loop, call a user-defined function to find largest, print largest element, end.
    • Program: Includes <stdio.h>, takes input, has a user defined function to find largest element.

• Experiment 15: Concatenate two strings

  • Aim: To concatenate two strings.
    • Algorithm: Get the length of the first string, concatenate the second string to the end, display the concatenated string, end.
    • Program: Includes <stdio.h>, takes two strings as input, calculates length using a while loop. Concatenates them using a for loop, and displays the result.

• Experiment 16: Find length of string

  • Aim: Find the length of the string without using library function.
  • Algorithm: Input string, count characters until null character is encountered, display the count, end.
    • Program: Includes <stdio.h>, takes string as input, counts characters using while loop, prints the length.

• Experiment 17: Frequency of a character

  • Aim: To find the frequency of a character in a string.
  • Algorithm: Input String and character, traverse string, count occurrences; display frequency.
  • Program: Includes <stdio.h>, takes strings and character as input, counts using for loop.

• Experiment 18: Store and display student information in a structure

  • Aim: To store and display student information using a structure.
  • Algorithm: Defines a structure, takes student information as input (name, roll no, marks), stores data, and displays as output.

• Program: Includes <stdio.h>, defines a structure named "student", takes input data using for loops for multiple students; prints all student data with their roll number.

• Experiment 19: Process student information

  • Aim: To process and determine total marks, highest subject mark, and highest total mark of students.
  • Algorithm: Input student data, compute total marks, find highest marks in each subject, and the student with the highest overall total marks, display results.
  • Program: Includes <stdio.h>, defines structure, takes inputs for the details of students, computes the total for each student; finds the highest total score for each subject and for all subjects, displays result.

• Experiment 20: Demonstrate file operations

  • Aim: To demonstrate counting characters, words, and lines in a file and replacing specific words within a file.
  • Algorithm: Open file, compute counts, write buffer overwriting content in the file, display results.
  • Program: Includes <stdio.h>, <stdlib.h>, and <string.h>, functions to count characters, words, and lines, and another function to replace certain words in the file.

Test your knowledge on various concepts covered in the 24ESPL101 - Programming in C Laboratory. This quiz includes questions about basic operations in a calculator program, I/O statements, and experiments related to number properties. Perfect for students looking to reinforce their understanding of C programming fundamentals.