Passwords Alice wants to extract some passwords from a random string. A password can have any number of charac... |
Byang of Interest Byang is the most famous detective of Dhaka City. He has just received a secret document regarding h... |
Distinct Dishting You are given an array of N integers. Then there will be Q commands of the following type: Change ... |
Knapsack Revisited Given description of n items (weight and value) and a knapsack of capacity weight W, you have to cal...
Moderate
9/19/109 |
Number, Segment, Prefix - All In One (Hard) Xiao Po is building a validation framework for his current project. He is now stuck with this proble... |
Xiao-metry Master Shifu thinks, besides of being a kung fu master, Xiao Po is a Chinese. So, like his country m...
Moderate
4/5/7 |
GCD and NOD Given 3 numbers, G, A and B we have to find two numbers M and N such that they satisfy the following... |
Positive Area Triangles Given a grid with length X and height Y, we can select any lattice point ( lattice point = integer c... |
Minimizing Sphere You will be given some points in a 3D co-ordinate system. You have to find the minimum volume of the... |
Chemical Reaction In this problem you will be dealing with chemical reaction. In real life, the simulation of a chemic... |
Moderate
117/138/356 |
Horrible Queries You will be given an array A of n integers. All elements of the array are between 1 and 50 (inclusiv...
Moderate
70/95/245 |
Bubble Shooter Bloblob is a very famous bubble shooter. He has a Rifle with an infinite number of bullets to shoot ...
Moderate
48/53/118 |
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 |
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... |
Keep the Apples Suppose you have n bags of apples and one type of basket. In each of those baskets, you can keep at ... |
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 |
Boss Kauke Gune Na It was the time of General Aladeen. "Kabir The Boss" was then a little child. On his birthday, Gener... |
Switches Technology is going ahead very fast. How can we know what will we get in future? One day you met a g... |
Range Product Mr. Jack is a Genetic Engineer but he is not good at Mathematics. At this moment, he is facing a mat... |
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 |
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 |
Huge Number If N is an integer greater than 0, n factorial (n!) is the product: n × (n-1) × (n-2) × (n-3) × ... ... |
Holy Day Maruf is a student of Dept. of Computer Science & Engineering, Sylhet Polytechnic Institute. Right n...
Moderate
39/40/42 |
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 |