## Operations on Audio/Video files using ffmpeg, avconv, and youtube-dl

This article aims to explain how to perform the following operations on audio files using a linux terminal: Download a youtube video Convert Audio/Video files… Read More »

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This article aims to explain how to perform the following operations on audio files using a linux terminal: Download a youtube video Convert Audio/Video files… Read More »

Determine whether a universal sink exists in a directed graph. A universal sink is a vertex which has no edge emanating from it, and all… Read More »

Given an array of even size, task is to find minimum value that can be added to an element so that array become balanced. An… Read More »

Write a C program that doesn’t terminate when Ctrl+Z is pressed. It prints a message “Cannot be suspended using Ctrl+Z” and continues execution. We can… Read More »

Given two numbers n and x, we need to calculate the smallest value of x that is closest to given number n. Examples: Input :… Read More »

Given an array of 0s and 1s, in how many iterations the whole array can be filled with 1s if in a single iteration immediate… Read More »

Although practice is the only way that ensures increased performance in programming contests but having some tricks up your sleeve ensures an upper edge and… Read More »

Given an array, find the subarray (containing at least k numbers) which has the largest sum. Examples: Input : arr[] = {-4, -2, 1, -3}… Read More »

Given a positive number n, we need to find all the combinations of 2*n elements such that every element from 1 to n appears exactly… Read More »

Given an array of n duplicates or distinct integers sorted in ascending order, write a function that returns a Fixed Point in the array, if… Read More »

Given a set of m distinct positive integers and a value ‘N’. The problem is to count the total number of ways we can form… Read More »

We are given an array of size n containing positive integers. The absolute difference between values at indices i and j is |a[i] – a[j]|.… Read More »

Let’s say you are working on a project that needs to do web scraping but you don’t know websites on which scraping is to be… Read More »

Given a positive integer n, print the next smallest and the previous largest number that have the same number of 1 bits in their binary… Read More »

1) Technical Round (Skype): Print all palindromic substrings of the given string. In a given binary tree, find the size of the largest BST. 2)… Read More »