Sum Query
Concepts Used Segment Trees Difficulty Level Easy Problem Statement : Given an array of N elements and Q queries. In each query he is given two values l,r. We have...
Maximum Divisor
Concepts Used Segment Trees, GCD Difficulty Level Medium Problem Statement : Given an array of N elements and Q queries. In each query, two values is given l and r....
Consecutive Permutation
Concepts Used Segment Trees Difficulty Level Hard Problem Statement : Given an array of N unique elements and Q queries. In each query, we are given two values l,r. We...
XOR Maximum
Concepts Used Trie Difficulty Level Medium Problem Statement : Given array of N numbers, we need to find the maximum xor between any pair of the numbers. See original problem...
Find words
Concepts Used Trie Difficulty Level Easy Problem Statement : Given a blank dictionary. Now in the first set of operations, you have to insert N integers in the dictionary. And...
Tug of War
Concepts Used Back Tracking Difficulty Level Hard Problem Statement : Given a set of n integers, divide the set in two subsets of n/2 sizes each such that the difference...