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Category Archives: C++ Programs

In shellSort, we make the array h-sorted for a large value of h. We keep reducing the value of h until it becomes 1. An… Read More
Bubble Sort is the simplest sorting algorithm that works by repeatedly swapping the adjacent elements if they are in the wrong order. This algorithm is… Read More
Given two numbers, write a C program to swap the given numbers. Input : x = 10, y = 20; Output : x = 20,… Read More
Given an array of integers, find sum of its elements. Examples : Input : arr[] = {1, 2, 3} Output : 6 1 + 2… Read More
Similar to the Merge Sort algorithm, the Quick Sort algorithm is a Divide and Conquer algorithm. It initially selects an element as a pivot element… Read More
Given a number ‘n’, how to check if n is a Fibonacci number. First few Fibonacci numbers are 0, 1, 1, 2, 3, 5, 8,… Read More
Topological sorting for Directed Acyclic Graph (DAG) is a linear ordering of vertices such that for every directed edge uv, vertex u comes before v… Read More
Heap sort is a comparison-based sorting technique based on Binary Heap data structure. It is similar to the selection sort where we first find the… Read More
Given a number n, print all primes smaller than or equal to n. It is also given that n is a small number. For example,… Read More
LCS Problem Statement: Given two sequences, find the length of longest subsequence present in both of them. A subsequence is a sequence that appears in… Read More
The Longest Increasing Subsequence (LIS) problem is to find the length of the longest subsequence of a given sequence such that all elements of the… Read More
The Longest Increasing Subsequence (LIS) problem is to find the length of the longest subsequence of a given sequence such that all elements of the… Read More
In mathematical terms, the sequence Fn of Fibonacci numbers is defined by the recurrence relation Fn = Fn-1 + Fn-2 with seed values F0 =… Read More
Given a string s1 and a string s2, write a snippet to say whether s2 is a rotation of s1? (eg given s1 = ABCD… Read More
Given an array arr[] consisting of positive integers that occur even number of times, except one number, which occurs odd number of times. The task… Read More

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