Tutorial Playlist
132 Lessons1. Introduction to C Tutorial
2. Addition of Two Numbers in C
3. Anagram Program in C
4. Armstrong Number in C
5. Array in C
6. Array of Pointers in C
7. Array of Structure in C
8. C Program to Find ASCII Value of a Character
9. Assignment Operator in C
10. Binary Search in C
11. Binary to Decimal in C
12. Bitwise Operators in C
13. Boolean in C
14. C Compiler for Mac
15. C Compiler for Windows
16. C Function Call Stack
17. C Language Download
18. Operators in C
19. C/C++ Preprocessors
20. C Program for Bubble Sort
21. C Program for Factorial
22. C Program for Prime Numbers
23. C Program for String Palindrome
24. C Program to Reverse a Number
25. Reverse a String in C
26. C string declaration
27. String Input Output Functions in C
28. Calculator Program in C
29. Call by Value and Call by Reference in C
30. Ceil Function in C
31. Coding Vs. Programming
32. Command Line Arguments in C/C++
33. Comments in C
34. Compilation process in C
35. Conditional Statements in C
36. Conditional operator in the C
37. Constant Pointer in C
38. Constants in C
39. Dangling Pointer in C
40. Data Structures in C
41. Data Types in C
42. Debugging C Program
43. Convert Decimal to Binary in C
44. Define And include in C
45. Difference Between Arguments And Parameters
46. Difference Between Compiler and Interpreter
47. Difference Between If Else and Switch
48. Do While Loop In C
49. Double In C
50. Dynamic Array in C
51. Dynamic Memory Allocation in C
52. Enumeration (or enum) in C
53. Evaluation of Arithmetic Expression
54. Factorial of A Number in C
55. Features of C Language
56. Fibonacci Series Program in C Using Recursion
57. File Handling in C
58. For Loop in C
59. Format Specifiers in C
60. Functions in C
61. Function Pointer in C
62. goto statement in C
63. C Hello World Program
64. Header Files in C
65. Heap Sort in C Program
66. Hello World Program in C
67. History of C Language
68. How to compile a C program in Linux
69. How to Find a Leap Year Using C Programming
70. Identifiers in C
71. If Else Statement in C
72. If Statement in C
73. Implementation of Queue Using Linked List
74. Increment and decrement operators in c
75. Input and Output Functions in C
76. How To Install C Language In Mac
77. Jump Statements in C
78. Lcm of Two Numbers in C
79. Length of an Array in C
80. Library Function in C
81. Linked list in C
82. Logical Operators in C
83. Macros in C
84. Matrix multiplication in C
85. Nested if else statement in C
86. Nested Loop in C
87. One Dimensional Array in C
88. Operator Precedence and Associativity in C
89. Overflow And Underflow in C
90. Palindrome Program in C
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91. Pattern Programs in C
92. Pointer to Pointer in C
93. Pointers in C: A Comprehensive Tutorial
94. Pre-increment And Post-increment
95. Prime Number Program in C
96. Program for Linear Search in C
97. Pseudo-Code In C
98. Random Access Files in C
99. Random Number Generator in C
100. Recursion in C
101. Relational Operators in C
102. Simple interest program in C
103. Square Root in C
104. Stack in C
105. Stack Using Linked List in C
106. Static function in C
107. Stdio.h in C
108. Storage Classes in C
109. strcat() in C
110. Strcmp in C
111. Strcpy in C
112. String Comparison in C
113. String Functions in C
114. String Length in C
115. String Pointer in C
116. strlen() in C
117. Structures in C
118. Structure of C Program
119. Switch Case in C
120. C Ternary Operator
121. Tokens in C
122. Toupper Function in C
123. Transpose of a Matrix in C
124. Two Dimensional Array in C
125. Type Casting in C
126. Types of Error in C
127. Unary Operator in C
128. Use of C Language
129. User Defined Functions in C
130. What is Variables in C
131. Is C language case sensitive
132. Fibonacci Series in C
A palindrome is a term that retains the same spelling, regardless of whether it's read backwards or forward. An example of a palindrome is the word "radar", "madam", or "racecar".
In the realm of computer science, checking for palindromes serves as a common programming challenge, testing our understanding of different programming concepts.
In this comprehensive guide, we'll explore how to write a C program to check if a given string is a palindrome. We'll delve into palindrome in C using C's standard library functions as well as manually implementing the logic via loops.
There are several strategies in C program to check if a given string is palindrome or not. These may include a C program to check palindrome without using string functions, by using recursion and more. We will examine each method in detail, presenting the algorithm, code, explanation, and complexity.
This method uses a two-pointer technique. We compare the characters at the beginning and end of the string and move the pointers towards the centre of the string. If, at any point, the characters don't match, the string is not a palindrome.
Code:
#include <stdio.h> |
This method has a time complexity of O(n), where n is the string’s length. This is because, in the worst-case scenario, we're traversing half of the string. The space complexity is O(1), as we're not using any extra space that scales with the input size.
In this method, we'll encapsulate the logic of checking a palindrome inside a function. This makes our code modular and readable.
Code:
#include <stdio.h> |
The time and space complexities are the same as the standard method. The time complexity is O(n), and the space complexity is O(1).
This method leverages the string compare function strcmp() in C's standard library to compare the original string with its reversed string.
Code:
#include <stdio.h> |
The time complexity is O(n) because the strcpy(), strrev(), and strcmp() functions each take O(n) time. The space complexity is O(1) as no additional space is used that scales with the input size.
This method uses recursion to compare the characters at the beginning and end of the string.
Code:
#include <stdio.h> |
The time complexity is O(n) as we're recursively traversing the string until the base condition is met. The space complexity is O(n) because of the stack space required for recursion, which is proportional to the depth of recursion, i.e., the string’s length.
The above methods offer a glimpse into the versatility and power of C programming. Understanding and implementing these approaches solidifies fundamental concepts like loops, string manipulation, recursion, and function utilisation. Detecting palindromes, despite being a relatively simple task, provides a stepping stone to more complex data analysis and pattern recognition tasks.
It's important to note that while the four methods described here are standard approaches, they're by no means the only ones. As one's mastery of C programming deepens, alternative techniques may be discovered or invented. Some methods might leverage data structures, and others could explore the unique properties of palindromes.
With the foundational knowledge of detecting palindromes in C, you can explore more sophisticated problems and algorithms. To take your learning journey further, consider trying out Full Stack Software Development Bootcamp provided by upGrad. With a wide array of programming and data science courses, upGrad offers resources that can help you elevate your programming skills and delve deeper into the field of efficient development.
Implementing a palindrome program in C is an excellent way to solidify an understanding of various fundamental concepts. These include the usage of loops, string manipulation, and recursion. We've taken a comprehensive look at several methods to accomplish this, including using the standard method, creating a custom function, leveraging string library functions, and utilising recursion.
Remember, the best way to learn is by doing. So, why not give these methods a try? And if you're interested in exploring more about programming, upGrad programs can help you practice through a wide range of courses to enhance your skills and knowledge!
1. Can a palindrome program in C handle both uppercase and lowercase letters?
Yes, it can. However, C is case-sensitive. You might need to convert all characters to the same case (either lower or upper) before comparison.
2. How to handle spaces in a string when checking for palindromes in C?
Generally, spaces are ignored when checking for palindromes. For sentences or phrases, consider removing spaces before performing the palindrome check.
3. Can special characters affect the palindrome checking in C?
Yes, they can. If the string contains special characters, they will be considered part of the string when checking for a palindrome. To ignore them, remove these characters before performing the palindrome check.
4. Is there a limitation to the size of the string that can be checked for a palindrome in C?
The maximum size of the string depends on how the string is declared in the program. In the examples given in this article, the string size is defined as 100 characters. This size can be modified based on the requirements of your specific application.
5. How many loops are required to check if string is palindrome?
You generally require to use only one loop to evaluate if a string is palindrome or not. However, the number of loops may vary depending on the method of approach you opt for to analyse the string. For instance, the iterative method uses a single loop, but the reverse and comparing method takes two.
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upGrad does not grant credit; credits are granted, accepted or transferred at the sole discretion of the relevant educational institution offering the diploma or degree. We advise you to enquire further regarding the suitability of this program for your academic, professional requirements and job prospects before enr...