Problems
GCD Plus LCM In this problem you will be given two integers a, b. You have to answer if GCD(a,b)+LCM(a,b)=a+b is ... |
Good and Bad Boys As you all know that it is high time for good and bad boys to do good and bad things in the upcoming... |
Match Me If You Can Your friend Bela is a clever girl and she always outsmarts you some how. So this time you want to ou... 
Moderate
16/22/78 |
Coin Collection (Easy) Neema and Mouri loves to collect coins. When they get bored, they bring out all of their coins. Usua...
Easy
48/73/254 |
Cookie Monster and Healthy Diet Today, Cookie Monster is taking time from his busy schedule to answer fan mail. The first letter ask...
Moderate
93/146/397 |
Power of Army Recently Chikanu declared war against Shukanu. To win the battle against Shukanu he wants to form an... |
Divisor Difference If you have solved the previous problem, the problem setter is congratulating you. Now focus on your...
Very Easy
158/226/597 |
Birthday Gift for SJ Today is your best friend SJ’s birthday. You want to buy a birthday present for her. You want to buy... |
Multiplicative Persistence Multiplicative persistence proposes that any number can be expressed as a single digit number by mul...
Easy
81/96/241 |
Walk Less You live in a city which consists of N points. The points are numbered from 1 to n. The distance bet... |
Shape of Quadrilateral Atcoder is a name of famous online judge. Here lhe problem statement is described briefly. This prob...
Moderate
73/93/183 |
Bridge Puzzle There's a famous bridge puzzle, where you have four persons, each with a unique time required to cro... |
Subodh Subodh is going to paint a very big wall. The wall is composed of N adjacent parts in line. He wants... |
Cache Cash You are a software developer in a reputed firm. For a previously written badly optimized module you ...
Moderate
4/7/19 |
LazyM versus Arnab There is a monster called lazyM in Rihamland who is the leader of this land. But another betrayer mo...
Moderate
4/4/8 |
Bitcoin Currency Prediction Bitcoin is a digital currency created in 2009.It follows the ideas set out in a white paper by the m...
Moderate
3/3/4 |
Table Tennis One day you have invited Sohel bhai to come to East West University to see an intra-University table... |
A Simple Game Saif and Sabi is playing a game in a maze. They will start from 2 different initial points and they ...
Moderate
7/9/30 |
Shrawan Barsha Our hero ‘Shrawan’ is in love with a beautiful girl named ‘Barsha’. On the upcoming Valentine Day, h...
Moderate
5/6/16 |
Code Crack Miss Abida a tech-smart student. Her friend M.Roy developed a social media site bugbook.com. Miss Ab... |
Match the Color 'Subha' is a girl of 5 years old. Already she can recognize almost all of the colors and shapes even...
Hard
12/12/23 |
Lets walk on grid You will be given a grid of size N * M. The character of grid is either ‘.’ Or ‘#’. '.' means free l...
Moderate
4/5/9 |
Dot Hunter The birthday party is near to an end now. You, Sohel bhai and all his others friends are playing a g... |
Weapon Supplier Zorro is the chief in charge of central space station. He supplies weapons to all other space statio... |
Very Simple NOD(X) is the number of divisors of X. For example, NOD(10) is 4. 10 has 4 divisors: 1, 2, 5, and 10... |
Tags
2Sat, Adhoc, ApolloneasTheorem, Backtracking, BFS, Bignum, BinarySearch, BipartiteMatching, Bitmask, BruteForce, ChineseRemainderTheorem, Combinatorics, ConvexHull, CutVertex, DataStructure, DFS, DigitDP, DisjointSets, DivideAndConquer, DP, Eertree, EulerTour, ExpectedValue, FenwickTree, FFT, Flow, Game, GCD, Geometry, Graph, Greedy, Hashing, HeavyLightDecomposition, Implementation, InclusionExclusion, Interactive, KnuthMorrisPratt, LowestCommonAncestor, Math, Matrix, MatrixExponentiation, MergeSortTree, ModularExponentiation, MOSAlgorithm, MST, NTT, NumberTheory, Parsing, PersistentLiChaoTree, PersistentSegmentTree, PollardRho, PriorityQueue, Probability, Queue, RabinMiller, RangeOrderStatistics, Scheduling, SegmentTree, ShortestPath, Simulation, Sorting, SparseTable, SpragueGrundyTheorem, SqrtDecomposition, Stack, String, StronglyConnectedComponents, SuffixStructure, TernarySearch, Tree, Trie, TwoPointer, WaveletTree
