Problems
Byang's Additions Byang is learning how to add numbers. However, he gets confused whenever there is a carry. To help B... |
That's 1 Minute See You Tomorrow You may heard the name of Nas Daily, a Facebook page by a travel video blogger Nuseir Yassin. He cre... |
Mina and Raju Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of Mina... |
Let’s Build Nepal In our country, there are many political leaders belonging to different political parties. They alwa... |
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 |
Code Crack Miss Abida a tech-smart student. Her friend M.Roy developed a social media site bugbook.com. Miss Ab... |
Shrawan Barsha Our hero ‘Shrawan’ is in love with a beautiful girl named ‘Barsha’. On the upcoming Valentine Day, h...
Moderate
5/6/16 |
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 |
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 |
Hardest Problem Ever Prof.Dr.DP is very famous professor. He is expert (actually legendary grandmaster) in Dynamic Progra... |
Say It! You will be given an English letter'(A'-'Z' or 'a'-'z'). You have to say whether it is lowercase or ...
Easy
97/98/131 |
Sanvi and Happy Pairs Sanvi is a very little and so much cute girl. She was playing with an array A of length N. While doi... |
Hardest Update and Easiest Query You have an array A with n elements which is indexed from 1 to n. Now you have to deal with two type... |
Darun Akta Counter Moeen lives in a home section or blocks with 100 floors numbered from 0 to 99. The home has an eleva...
Moderate
6/9/15 |
Holy Day Maruf is a student of Dept. of Computer Science & Engineering, Sylhet Polytechnic Institute. Right n...
Moderate
39/40/42 |
Huge Number If N is an integer greater than 0, n factorial (n!) is the product: n × (n-1) × (n-2) × (n-3) × ... ... |
Can You Make It Close A boy named Poltu is very fond of food. He eats a lot and you can tell so by looking at him. There a...
Moderate
6/40/243 |
Institute of Mathematics Let's introduce you to our very own Mishal Sir. After completing his Ph.D. from the University of Ma...
Easy
134/152/301 |
Range Product Mr. Jack is a Genetic Engineer but he is not good at Mathematics. At this moment, he is facing a mat... |
Switches Technology is going ahead very fast. How can we know what will we get in future? One day you met a g... |
Boss Kauke Gune Na It was the time of General Aladeen. "Kabir The Boss" was then a little child. On his birthday, Gener... |
Room Number 13 Many hotels around the world skip the number 13 and go straight to 14 when numbering rooms. This is ...
Very Easy
80/114/293 |
Keep the Apples Suppose you have n bags of apples and one type of basket. In each of those baskets, you can keep at ... |
GCD and LCM You will be given two integers A, B. If A × B (product of A and B) is equal to LCM(A, B) then you ha... |
A Weird Dragon We all know about Daenerys Targaryen and her three dragons. And we also know that one of those drago...
Moderate
14/19/52 |
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
