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merge two sorted linked lists in sorted order
Write a c program to merge two sorted linked lists in sorted order. For example if one linked list is 1->2->3->null and other is 1->3->5->6->null then the output should be...
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C program for longest substring without repeating characters
Write a C program for longest substring without repeating characters. For example if the string is “abcdabc” the longest substring without repeating is “abcd” of length 4. C program for longest...
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Print all nodes of the same level from binary tree
Print all nodes of the same level from binary tree. For example the output for the below binary tree is 6,8,5,8,3. C++ Print all nodes of the same level from binary tree #include <iostream>...
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Binary tree inorder traversal without recursion using stack
In this blog we are going to discuss how to implement binary tree inorder traversal without recursion using stack. #include <iostream> #include<stack> using namespace std; typedef struct l...
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c program for range minimum query
In this blog post we are going to learn how to write c program for range minimum query. What is range minimum query? The range minimum query is a problem of finding minimum value in a given range. For...
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How enum in c is different from enum in c++?
In this blog we will learn how enum in c is different from enum in c++. • In C enums are created as below #include<stdio.h> enum DAY { MON, TUE, WED, THU, FRI, SAT, SUN }; enum DAY day; int...
View ArticleUse of typedef in defining structure In C programming
In this blog we we will learn “use of typedef in defining structure In C programming+”. So let us write a very simple linked list data structure program without typedef and review the code....
View Articleinterview questions on doubly linked list
Many times when we face an interview doubly link list questions comes. In this blog we will see some important doubly linked list interview questions. What is doubly linked list and where it is used?...
View Articlemake binary search tree from array
Write a C program to make binary search tree from array. Given a array of positive integers like [3, 5, 2, 1, 4] the binary search tree would look like 3 / \ 1 4 / \ 2 5 The above binary search tree is...
View ArticleHow to reverse a const string in c++
In this blog we will learn How to reverse a const string in c++. In normal case , i mean when string is not constant we can use standard c++ std::reverse() function. For example let us take an example...
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