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Category Archives: Divide and Conquer

Given an N-ary Tree rooted at 1, and an array val[] consisting of weights assigned to every node, and a matrix Q[][], consisting of queries… Read More
Given an array arr[] consisting of N integers, the task is to find the array K[] of minimum possible length such that after performing multiple… Read More
Given two arrays arr1[] and arr2[]. We can generate another array arr3[] by adding each element of the array arr1[] to each element arr2[]. The… Read More
Given an array arr[] consisting of integers and queries Q of the form (L, R), the task is to check whether any non-repeating element is… Read More
Given an array arr[] consisting of N integers, the task is to find the second largest element in the given array using N+log2(N) – 2… Read More
Given a numeric string S representing a large number, the task is to form a Fibonacci Sequence of at least length 3 from the given… Read More
Given binary string str, the task is to check whether the given string follows the below condition or not:   String starts with a ‘1’. Each… Read More
Given the constants of quadratic equation F(x) = Ax2 + Bx + C as A, B, and C and an integer K, the task is… Read More
QuickSort is a popular sorting technique based on divide and conquer algorithm. In this technique, an element is chosen as a pivot and the array… Read More
Given a valid parenthesis string S, the task is to find the weight of the parenthesis based on the following conditions:   Weight of “( )”… Read More
Given an array arr[] of N numbers. We can merge two adjacent numbers into one and the cost of merging the two numbers is equal… Read More
Given an array arr[] of N integers both positive and negative, our task is to find the number of unordered pairs (x, y) which satisfy… Read More
Given a positive integer N and K, the task is to divide N into K parts such that the first part has a value X,… Read More
Given N number of people, the task is to count the number of ways to form groups of size? N where, in each group, the… Read More
Given two arrays arr1[] and arr2[]. The array arr1[] is sorted. The task is to print the change in the median after removing each element… Read More

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