Problems on Basic Number System

• Check weather a given number is positive or negative
• Even or Odd
• Factorial of a number
• Factors of a given number
• Print all prime factors of the given number
• Greatest of three numbers
• Leap Year or not
• Maximum and Minimum digit in a number
• Reverse digits of a number
• Sum of digits of a number
• Sum of first N natural numbers
• Sum of numbers in the given range
• Check if a number is palindrome or not
• Check if a number is prime or not
• Find all Palindrome numbers in a given range
• Prime numbers in a given range
• Check if a Number is Automorphic
• Check if a number is a strong number or not
• Check if a number is armstrong number of not
• Program to find roots of a Quadratic Equation

Problmes on Arrays

• Average or Mean of all elements in an array

• Calculate sum of the elements of the array
• Count frequency of each element in an array
• Distance between Two Points
• Find all repeating elements in an array
• Find out whether the jet plane returns to the same position from where it took off.
• Find the largest number in an array
• Find the median of the given array
• Find the smallest number in an array
• Moves Zeros in Right side of Array
• Rat Count House
• Reverse a given array
• Rotate array by K elements – Block Swap Algorithm
• Search an element in an array(Binary Search)
• Search an element in an array(Linear Search)
• Second Smallest and Second Largest element in an array
• Sum of diviisble by 5 and 3
• Sum of not Divisble Intergers in Range
• Uno Number or Not
• Create Uno Number or Not

Problmes on String

• Calculate frequency of characters in a string
• Create Calculate frequency of characters in a string
• Capitalize first and last character of each word
• Change case of each character in a string
• Check if a given string is palindrome or not
• Count number of vowels, consonants in String
• Count words in String
• Find Repeating characters of a String
• Find the ASCII value of a character 
• Remove all vowels from the string
• Remove characters from a string except alphabets
• Remove spaces from a string
• Reverse a String
• Sum of the numbers in a String

Problems on Seaching

• Binary Search
• Linear Search

Problmes on Sorting

Problmes on Recursion

Problmes on Linked List

• Check Two Linked List are Identical or not.cpp
• Check if Linked List is Sorted.cpp
• Count Number of Nodes in Linked List.cpp
• Delete Head of Linked List
• Delete Kth Postion in Linked List.cpp
• Delete Node with Key Value in Linked List.cpp
• Delete Node without Header.cpp
• Delete Tail of Linked List.cpp
• Detect Loop in Linked List.cpp
• Insert at Head Double Linked List.cpp
• Insert at Head of Linked List.cpp
• Insert at Kth Position of Linked List.cpp
• Insert at Kth Postion in Doubly Linked List.cpp
• Insert at Tail in Doubly Linked List.cpp
• Insert at Tail of Linked List.cpp
• Linear Search in Linked List.cpp
• Maximum Node Of Linked List.cpp
• Middle Node of Linked List.cpp
• Print Circular Linked List.cpp
• Print Doubly Linked List.cpp
• Printing Linked List.cpp
• Reverse Linked List.cpp
• Sum of Nodes in Linked List.cpp

Problmes on Stack

• Balance Parentheses.cpp
• Infix to Postfix
• Postfix Expression Evaluation.cpp
• Prefix Expression Evalution.cpp
• Reverse String Using Stack.cpp
• Stack using Array.cpp
• Stack using Linked List.cpp

Problmes on Queue