Hablu's Team This year Hablu wants to participate in ICPC. He studies in “Habagoba University” along with $n$ oth... |
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... |
Donate Our Department We are students of CSE, IU. It is very well known that our departmental instruments are not so good.... |
Not As Hard As It Seems Sakib and Shamim are good friends. As Sakib is a little naughty, every night before exam he disturbs... |
Maximum Meetings I am the boss of my company. I have n employees. The office time of my company starts at 1. Every em... |
Powerful Array You are given an array A of N integers . Now you have to process Q queries in this array. Each query... |
Matching Brackets You will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ... |
Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |
Mario and Princess Peach The world of Mario can be imagined as 2D grid of $N$ rows and $M$ columns--containing a total of $N ... |
Remember the Name... There's a famous song written by Mike Shinoda, which has these lines: This is 10% luck, 20% skill, ... |
Distinctness A substring of string S is another string S' which occurs in string S. For example: S = aaba and one... |
Final Days of Goldfinger We see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge... |
Smart Query Handler Bit operators perform bit-wise operations between two binary numbers. Wikipedia says, binary operati... |
Primary Key "Clarity-Lon" is the new awesome e-commerce based startup that went to the top of the chart within f... |
Earthquake! Most houses are not as safe as they could be. Earthquake engineering is an interdisciplinary branch ... |
Expandable ListView Minas is working on his new language. He want to add a feature call expandable listview. Here he exp... |
Rio and Inversion One day Rio was returning home from his university and unfortunately lost his phone on the way. He a... |
New Year Couple The new year 2017 is here. To celebrate the 31st night, Mr Rio has thrown a big party at his house. ... |
Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Special Pair Mr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ... |
Smallest Subarray You are given an array A of N integers A1, A2, A3, ..., AN . If we select two indices (1 ≤ i ≤ j ≤ N... |
Another Update-Query Problem You will be given an array A of length N and you will have to perform Q operations on that array. Th... |
Array Simulation You are given an array of N elements. Initially all the indices have a value of 0. You have to do fo... |
Village Fair 2 There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ... |