Who Doesn't Love GCD? You are given a special array a of length n where every element ai is some power of 2. You are aske... |
How to Save Money 101 The author has recently joined the software industry. His dev lead, who is also from AUST, has assig... |
Master Plan Because of Eid-ul-Fitr, there is a BIG OFFER at your nearest super shop. You have decided to go shop... |
45th ICPC Unsolved Problem! ICPC is the oldest, largest, and most prestigious programming contest in the world. Each year, the I... |
ICPC to LCPC In the ICPC regional contest, you have got rejected for the ICPC World Finals contest selection. But... |
Squares Three teams from your university competed in the ICPC Asia Dhaka Regional Contest 2021. Sedulous, Re... |
Star Faija loves to do art. She has a graph, which has n rows and m columns. She creates new art every da... |
Reverse Hash Binary strings are strings that can only have 0 or 1 as the characters. The hash value of a string i... |
Isn't It Strange? Cherry isn't feeling well right now as she found a problem that she couldn't solve. So she started t... |
Exists or Not Exists You will be given some numbers. Then there will contain some queries. In every query there will be g... |
Ashik's Trouble Ashik is generally a good boy. But recently he has had some trouble with one of his classmates. His ... |
Niko Goes Farming Niko has completed his degree in CSE from North South University. Now he has been tenaciously lookin... |
Subset AND You are given an array A of n integers and an integer k. You need to find if there is any non-empty ... |
Palindromic Naming Convention In Strangeland, people name their child in a cute way. I'm sure you already know the way by the prob... |
Butcher of Vowels ...if I'm to choose between one evil and another, then I prefer not to choose at all. -- Geralt (Th... |
Noman's Birthday Today is our friend Noman's birthday. For celebration of his birthday, we have already used n baloon... |
Complex Operations You are given an array A of length N. You have to perform two different types of operations. In the ... |
Elementary Arithmetic When Shakib was little, his mother used to help him with his studies. Usually, around 7 PM in the ev... |
Is It Perfect Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f... |
Caesar Cipher Byang wants to write a secret message to his friend. He has recently discovered Caesar Cipher. Caesa... |
Big Factorials Given an integer N, print the trailing 4 digits of N! (N factorial). N!=N×(N−1)×(N−2)×...×1 Here are... |
The Perfect Collection Given an array A of N integers, if we choose any K of these integers and calculate their bitwise XOR... |
Unbelievable Array You will be given an array A of n integers and q operations. There are two types of operations: 1 x... |
Circles in a Rectangle Two circles are placed inside a rectangle. They do not intersect with each other but they are touchi... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |