Water Project of Black Iceland Black Iceland is one of the largest populated city in this world. Due to pollution and scarcity of p... |
War of Kingdoms There is a country named WARLAND. It is a big country, so it is divided into N kingdoms. Each kingdo... |
Biswa and Red-Black Ants Biswa has come to Antland for a trip. There are N holes in total in Antland. He can start visiting f... |
Acer Rubrum You are given a tree. Each of N vertices has time, when it is active (from tstart to tend inclusiv... |
Bomb Disposal Strings Prohor is the cheif of bomb disposal unit of "Anti Terrorists Squad" (ATTS). She is now in PeculiarL... |
Poga The War Stopper Poga is a war victim who lost everyone dear to her in war. Now, she leads a team of veterans who try... |
All the Cuts In a two dimensional plane, there are “R” red points, “B” blue points and “G” green points. These po...
Moderate
4/4/9 |
Maruo and the Sequence Maruo has a sequece A = {a1,a2,......an}. Let us define a function func(A,l,r) which is the minimum... |
Joker Batman has come to visit RUET. All on a sudden Ironman has landed in front of Low CG Chottor. "Oh, t... |
Thor vs Superman vs Goku One of the biggest arguments between comic and anime fans is the topic of Superman vs Goku. Another ... |
Trust me, this is stopper! Do you know Doctor Strange from Marvel? He thought he was the master of time. But one day he came to... |
Cent Savings To host a regional contest like NWERC a lot of preparation is necessary: organizing rooms and comput... |
Productive Employees Congratulations on becoming the new boss of "Horizontal Company, branch: Sylhet"! But now you have a... |
Superman and the Buildings of Dahaka To end the long-running feud between Superman and Goku fans regarding who's stronger, Zeron has deci... |
Information Retrieval When you search in Google or any other search engines, you are provided with a list of links that ar... |
No Onion, No Cry -Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I... |
Earn Your Cupcake A delicious NxN grid is given to you. All the lattice points of this grid contain a cupcake each exc... |
Magical Tree Query You are given a rooted tree (a connected graph with no cycles) with n vertices. The vertices are num... |
Jealous Youngsters It is chaos playtime at kindergarten again, and teacher Tom is having some difficulties. You see, ki... |
Himi's Negligence Himi is a very nice girl but also very lazy and inattentive to her studies. So, her tutor decided to... |
Fighting Over a Duster There are two sections in Toph school and college named section A and section B. Recently the studen... |
Sum of Medians You will be given an array of size $n$ where all elements of the array are pairwise distinct. You wi... |
OverloadedOsim $NullNoman$ is a good boy. He loves programming and array very much. In this quarantine, he solves p... |
No More Shortest Path You are given a weighted directed graph with $n$ nodes and $m$ edges. Node $S$ is marked as the sour... |
Caching Combinatorics Recently Arya the little panda got a permutation of size $A$ as a birthday present from his parents.... |