Blog
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All Combinations of Strings that Can Be Used to Dial a Number
When dealing with dialing a number, especially in the context of phone keypad mappings (where each digit is associated with a set of characters), it's often...
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Find Cube Pairs | Set 1 (An O(n) Solution)
In the world of algorithms and problem-solving, finding cube pairs is an interesting problem. Given an array of integers, we need to determine if there exist...
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Finding the Cubic Root of a Number
The cubic root of a number \(x\) is a value \(y\) such that \(y^3 = x\). For example, the cubic root of 8 is 2 because \(2^3=8\). Finding the cubic root of a...
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Generating One Time Passwords and Unique Identification URLs
In our digital age, security and unique identity verification are of utmost importance. Two common techniques used for these purposes are One Time Passwords...
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Sub-string Divisibility by 3 Queries
In the realm of competitive programming and algorithmic problem - solving, queries related to sub - string properties are quite common. One such interesting...
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K'th Boom Number
Boom numbers are a fascinating concept in number theory. A boom number is a number that contains the digit sequence "666" in it. For example, 1666, 6665, 6661...
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C++ Bitset: Interesting Facts
In the realm of C++, the `std::bitset` class template provides a convenient and efficient way to handle fixed-size sequences of bits. It offers a set of...
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Android | Running your first Android app
Android is the most widely used mobile operating system globally, powering billions of devices. Developing an Android app can be an exciting and rewarding...
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Count Permutations that Produce Positive Result
In the realm of combinatorics and algorithmic problem-solving, counting permutations that meet a certain condition is a common and interesting task. In this...
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Finding the Number of Digits in the n'th Fibonacci Number
The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, usually starting with 0 and 1. The sequence goes like 0,...