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Top Interview Questions for Programmers

Introduction:

Let’s see some most asked Interview questions in this post. Today we learn about specific question in array, linked list, and strings.

Arrays

#1 How do you find the missing number in a given integer array of 1 to 100?

#2 How do you find the duplicate number on a given integer array ?

#3 How do you find the largest and smallest number in an unsorted integer array ?

#4 How do you find all pairs of an integer array whose sum is equal to a given number?

#5 How do you find duplicate numbers in an array if it contains multiple duplicates ?

#6 How so you remove duplicates from an array in place?

#7 How are duplicate removed from an array without using any library ?

Linked Lists

#1 How do you find the middle element of a singly linked list in one pass ?

#2 How do you check if a given linked list contains a cycle? How do you find the starting node of the cycle?

#3 How do you reverse a linked list?

#4 How do you reverse a singly linked list without recursion?

#5 How are duplicate nodes removed in an unsorted linked list?

#6 How do you find the length of a singly linked list?

#7 How do you find the third node from the end in a singly linked list?

#8 How do you find the sum of two linked lists using Stack?

Strings

#1 How do you print duplicate characters from a string?

#2 How do you print the first non-repeated character from a string?

#3 How can a given string be reversed using recursion?

#4 How do you check if a string contains only digits ?

#5 How are duplicate characters found in a string ?

#6 How do you count a number of vowels and consonants in a given string?

#7 How do you count the occurrence of a given character in a string?

#8 How do you check if a given string is a palindrome?

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One thought on “Top Interview Questions for Programmers
  1. Heya i’m for the primary time here. I found this board and I find It really useful & it helped me out much.
    I hope to give one thing back and help others like you helped
    me.

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