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...
nfssdq Moderate 3/5/6
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...
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
Toph uses cookies. By continuing you agree to our Cookie Policy.