Category: algorithm

Unraveling the DepthFirst Search Algorithm in Graphs: A Comprehensive Guide
Graphs, with their intricate connections, hold vast amounts of information. Traversing through a graph in a systematic manner is essential for analyzing and extracting valuable insights. One of the fundamental graph traversal algorithms is the DepthFirst Search (DFS). In this blog post, we will delve into the inner workings of DFS, understand its algorithmic approach,…

Exploring the BreadthFirst Search Algorithm in Graphs: A Comprehensive Guide
Graphs are powerful data structures that model relationships between entities. When analyzing graphs, traversing them efficiently becomes essential. One of the fundamental graph traversal algorithms is the BreadthFirst Search (BFS). In this blog post, we will delve into the inner workings of BFS, understand its algorithmic approach, analyze its time complexity, and provide code examples…

Find nCr
The problem of finding the value of nCr (n choose r) arises in various mathematical and combinatorial scenarios. nCr represents the number of ways to choose r elements from a set of n elements, where order does not matter. In this blog post, we will explore algorithms to solve this problem and provide implementations in…

Find next greater number with same number of set bits
The problem of finding the next greater number with the same number of set bits is an interesting challenge in computer programming. Given a positive integer, the goal is to find the smallest possible number greater than the given number that has the same number of set bits (i.e., 1s) in its binary representation. In…

0 – 1 knapsack problem and solution
The 0/1 Knapsack problem is a classic optimization problem in computer science and mathematics. Given a set of items with their weights and values, and a knapsack with a maximum weight capacity, the goal is to determine the most valuable combination of items to include in the knapsack without exceeding its capacity. In this blog…

Find Kth smallest element in an array
In many programming scenarios, it becomes necessary to find the Kth smallest element in an array. This problem can be solved using various algorithms, each with its own time complexity. In this blog post, we will explore the algorithms and provide implementations in C, C++, Python, and Java. Let’s dive in! Algorithm: Implementations: Conclusion:Finding the…

Kadane’s Algorithm, algorithm and time complexity, with example in C,C++,Python and java
The Maximum Subarray Sum problem is a classic programming challenge where we need to find the contiguous subarray with the largest sum within a given array. Kadane’s Algorithm provides an elegant solution to this problem. In this blog post, we will explore the algorithm, its time complexity, and provide code examples in four popular programming…

Find largest subarray with sum 0 in an array, algorithm and time complexity, with example in C,C++,Python and java
One common problem in programming is finding the largest subarray with a sum of 0 within a given array. In this blog post, we will explore an algorithm that efficiently solves this problem. Additionally, we will provide code examples in four popular programming languages: C, C++, Python, and Java. Algorithm:The algorithm we will discuss to…

Find missing number among 1 to n, in the given array of size n1, algorithm and time complexity with example in C,C++,Python and java
It is not uncommon to encounter scenarios where we need to find a missing number from a given array containing elements from 1 to N, where N is the expected size of the array. In this blog post, we will discuss a widely used algorithm to solve this problem efficiently. Additionally, we will provide code…

Find subarray with a given sum, algorithm and time complexity with example in C,C++,Python and java
In programming, it is common to encounter scenarios where we need to find a subarray within a larger array that has a specific sum. This task can be solved efficiently using a variety of algorithms. In this blog post, we will explore a popular approach to solve the problem and provide code examples in four…