Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Memes vs. Social Media In this era of modern technology social media is the most powerful weapon and the viral issue is the... |
Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |
Static Tree You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver... |
Cut the Rope Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ... |
Composite Facts Let's define two functions F and S: F(n) = 1 + n! S(n,m) = Sum of first m non-prime integers which ... |
Village Fair 2 There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ... |
MSIS! Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s... |
C++ Vector Simulation Array is an important data structure in computer science. It is also very important when it comes fo... |
Restore Missing Values Consider an array of 'N' integers which is indexed from '1' to 'N'. Exactly 'Q' queries numbered fr... |
Array Simulation You are given an array of N elements. Initially all the indices have a value of 0. You have to do fo... |
Powerful Array You are given an array A of N integers . Now you have to process Q queries in this array. Each query... |
Laser Light A 2D grid consists of a lot of special lights bulbs, which turns on upon the incidence of a laser li... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
Hablu's Team This year Hablu wants to participate in ICPC. He studies in “Habagoba University” along with $n$ oth... |
Yet Another Xinversion The problem statement is simple. You are given a rooted tree (1 is the root) and every node has a co... |
MEXFN This is a straightforward problem without much story behind the problem. You have to calculate MEXF... |
Social Distancing The country of KhoaNali is structured as a giant road with N buildings on both sides, the northern b... |
Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |
Byang and War Tactics Byang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
Device ID A device ID is a distinct number associated with a smartphone or similar handheld device. Every smar... |
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |
Hide and Seek You know how to play hide-and-seek, right? In a group of kids, one of them is selected to be the see... |