Problems
Helping Beksin Jho Beksin Jho is a very talented boy. Like all of you guys, he also has great interest in programming a... |
Sofdor Ali Is in Love Against all the odds, Sofdor Ali has fallen in love. He wishes to gift the girl the sweetest of subs... |
Recursive World! See following the two recursive functions: C(0) = 0 C(1) = 5 C(K) = C(K-1) + 4 F(0) = 1 F(1) = 2 F(N... |
Keep Moving Balurmath is a city which has N interesting tourist spots, which are connected between themselves by... |
Alice in Candyland Alice came up with a new game. In this game called "Candy Quest", there is a NxN size 2D grid. In ea... |
Chord Creation “One chord is fine. Two chords are pushing it. Three chords and you’re into jazz.” -Lou Reed Do you ... |
Guti Khela Guti Khela is an ancient village game of Bangladesh. This game is played between 2 players by diggin... |
Word Blitz! I am sure you have heard of the famous messenger game Word Blitz! You can play the game with an oppo... 
Moderate
2/3/10 |
How Many Paths? You are at the top left corner [position (1,1)] of a R×C grid. Your destination is bottom right corn... |
The Game of Two Sharan, the brave boy, is currently standing at the origin (0,0). He is taking part in The Game of T...
Moderate
10/15/40 |
Panir Niche Rastaa Bhalo Poltu is a cyclist. He loves commuting by cycle. When he was a kid, often he was cycling in his drea... |
Friendship Database You have created a new social media for testing the irrationality of human behavior. In order to con... |
Gift Today is Anik's Birthday. Saad wants to give Anik an array as birthday present. But Anik is afraid o...
Moderate
23/27/55 |
Expert Programmer Your dream is to become an expert programmer one day and you are practicing day and night for that d... |
Power and Mod Exponentiation is a mathematical operation, written as b n , involving two numbers, the base b and t... |
Again LCS You are given two permutations of the numbers from 1-N called P1 and P2. You are also given two inte... |
Little Bunny and Corns Little Bunny loves to eat corns. Fortunately, he lives near an abandoned house which has a huge corn... |
Smallest Interval Alice has a collection of N numbers. She would like to place them on a number line. She places each ... |
Amicable Numbers From Wikipedia: “Amicable numbers are two different numbers so related that the sum of the proper di... |
Light The Candle You have N candles of different lengths. For a candle of length L, you can light it for L minutes. N... |
An Interesting Game Stackmatch is a very popular game of Matland. In this game, they uses C types of coins and a stack. ... |
K-th DuoPalindrome Alice likes playing with Palindromes (strings that read the same backward as forward, such as 'madam... |
Bikpik Colony Bikpiks are very small aliens. Day by day they are becoming very dangerous for human being. They liv... |
Problematic Problem Setters A new national level contest will be held next month. So chief judge asked some problem setters to s... |
Secret Sorting Order You will be given a list of words which were sorted based on some unknown ordering among the letters... |
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
