Hardest Problem Ever
Prof.Dr.DP is very famous professor. He is expert (actually legendary grandmaster) in Dynamic Progra...
Exponential Growth
You will be given two integers X and N, you have to calculate XN modulo 1000000007.
Cache Cash
You are a software developer in a reputed firm. For a previously written badly optimized module you ...
Moderate 4/7/19
Boys in the Assembly
N boys are standing in the assembly. There is a single line only. Boys are denoted by their roll num...
Bitcoin Currency Prediction
Bitcoin is a digital currency created in 2009.It follows the ideas set out in a white paper by the m...
Moderate 3/3/4
Life of Phi II
You will be given two integers n and m where GCD(n,m)=1. You have to tell that how many numbers are ...
Mr. Ant and His Problem
Mr. Ant has 3 boxes and the infinite number of marbles. Now he wants to know the number of ways he c...
Code Crack
Miss Abida a tech-smart student. Her friend M.Roy developed a social media site bugbook.com. Miss Ab...
Super Shop
A super shop sells only 26 items, labeled them from ā€˜Aā€™ to ā€˜Zā€™. The shop stores the list of products...
Match the Color
'Subha' is a girl of 5 years old. Already she can recognize almost all of the colors and shapes even...
Lazy Supermen
There are two hills in Sonargaon. The heights of them are H1 and H2 meter. The distance between the ...
Be Efficient!!
Little Anita was again thinking about a problem! Recently she was thinking about installing some foo...
mehdi_ Moderate 8/17/113
Meena's Fibonaccina
Meena likes Fibonaccina numbers a lot. She gave Raju an assignment on Fibonaccina numbers. So Raju a...
Moderate 22/47/161
Dot Hunter
The birthday party is near to an end now. You, Sohel bhai and all his others friends are playing a g...
Arrayman
Arrayman is a very famous person. He has an array of n integers. He wants to divide it in a number o...
Spanning Tree
There are N nodes in a tree. You can start from any node of that tree and you have to come back to t...
Graph Moderate 80/86/125
Village Fair 2
There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...
Big Bang Theory
Dr. Sheldon Cooper is working on a project that works on the 2D concept of the universe. In this pro...
Alice Loves to Play Games
Alice loves to play game. Recently, she downloaded a new game from google play store. In this game, ...
Just Primes II (Hard)
Given a positive integer N, calculate the minimum number of distinct primes required such that their...
Crisis in Antartica
Mr X and Y are famous chemists and mathematicians who live in Antartica. You know, it's a cold place...
Water Project of Black Iceland
Black Iceland is one of the largest populated city in this world. Due to pollution and scarcity of p...
Cover the Points
You are given a set of points P, and a set of target points M in 2D space. For each point M[i] in M,...
Just Primes II (Easy)
Given a positive integer N, calculate the minimum number of distinct primes required such that their...
War of Kingdoms
There is a country named WARLAND. It is a big country, so it is divided into N kingdoms. Each kingdo...
Toph uses cookies. By continuing you agree to our Cookie Policy.