XOR Partition Neo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ... |
Meena Meets The Marauders December 14, 1975 Hogwarts School of Witchcraft and Wizardry It’s been a long long day. The Marauder... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Attacking Drones Bytelandian air force has designed a new weapon system. It is similar to a drone but instead of shoo... |
Towers of Doom Alice and Bob are famous for inventing weird games. They just invented a new game called Towers of D... |
Playing On A Directed Graph You are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca... |
Directed Rectangle Sami has just finished his assignments, to relax, he wants to play games. Since he’s banned from PUB... |
Magical Pascal Given an integer N, find the number of elements which are even in the first N rows of the Pascal's t... |
Binary Pigeons There are $N$ pigeons standing one after another in a straight line. There are two kinds of pigeons:... |
Laali Vs Bessie One day Raju discovered USACO and from that day he would spend all his time solving problems. Laali ... |
Smallest Subarray You are given an array A of N integers A1, A2, A3, ..., AN . If we select two indices (1 ≤ i ≤ j ≤ N... |
Byang and Kochuripana Trouble Byang is the chief software engineer at Toad Incorporated. His grandmother is planning to give him a... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
Biswa the Digital Gutibaj Being a digital gutibaj, Biswa is virtually busy with all his evil stuff all the time. As he is a di... |
Consistent Hashing In modern software development, hashing is an important concept. It involves generating unique integ... |
How Cow! There is a cow in a village. She eats as much grass as she wants. Fortunately there is a large field... |
Sequence Query You are given N integer numbers (A1,A2,A3…AN). You will also be given some query. Each query wil... |
Ant-Man And The Polygon Ant-Man before escaping from the quantum realm thought about roaming around the realm. And much to h... |
Sum of Medians You will be given an array of size $n$ where all elements of the array are pairwise distinct. You wi... |
The Selection SUST has n departments numbered from 1 to n where every pair of distinct departments is connected by... |
Kitorp and His Love Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte... |
Static Tree You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver... |
MaxXOR You are given an array A of n integers (A1, A2, ..., An) and some queries. In each query, you wil... |
Number Crafting Game is one type of competency, and when it befalls by any number its really astonish. Rifat is very... |
Help Optimus! In an alternate reality, due to a prolonged battle between Autobots and Decepticons, planet Cybertro... |