## Minimum flips to make all 1s in left and 0s in right | Set 1 (Using Bitmask)

Given a binary array, we can flip all the 1 are in the left part and all the 0 to the right part.Calculate the minimum… Read More »

Given a binary array, we can flip all the 1 are in the left part and all the 0 to the right part.Calculate the minimum… Read More »

Given a string s, break s such that every substring of the partition can be found in the dictionary.Return the minimum break needed. Examples: Given… Read More »

There is a given binary matrix, we need to find if there exists any rectangle or square in the given matrix whose all four corners… Read More »

Given that integers are being read from a data stream. Find median of all the elements read so far starting from the first integer till… Read More »

Given a string of numbers, the task is to find the maximum value from the string, you can add a ‘+’ or ‘*’ sign between… Read More »

Given a string containing uppercase alphabets and integer digits (from 0 to 9), the task is to print the alphabets in the order followed by… Read More »

An encoded string (s) is given, the task is to decode it. The pattern in which the strings are encoded is as follows. <count>[sub_str] ==>… 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 string that contains ternary expressions. The expressions may be nested, task is convert the given ternary expression to a binary Tree. Examples: Input… Read More »

Facebook hacker cup is an annual algorithmic programming contest organized by Facebook. Be it students, professionals or experts it attracts numerous programming enthusiasts from all… Read More »

Given an array with positive number the task is that we find largest subset from array that contain elements which are Fibonacci numbers. Asked in… Read More »

Given two numbers as strings. The numbers may be very large (may not fit in long long int), the task is to find sum of… Read More »

Given two unsorted arrays of distinct elements, the task is to find all pairs from both arrays whose sum is equal to x. Examples: Input… Read More »

Given an array of distinct elements. The task is to find triplets in array whose sum is zero. Examples: Input : arr[] = {0, -1,… Read More »

Given a dictionary, a method to do lookup in dictionary and a M x N board where every cell has one character. Find all possible… Read More »