Penguins of Madagascar
One day the penguins of Madagascar found a string S... Wait... Wait. Actually the setter of the prob...
Answer the Queries
Given an array of N elements, indexed from 0 to N−1. Now you are given some queries in the form [L,R...
Do You Know LIS?
Alam has an array a with n elements a1​,a2​,…,an​ and an integer x. For each i (1≤i≤n−1) index i and...
Complex Operations
You are given an array A of length N. You have to perform two different types of operations. In the ...
Buildings
There are n buildings in a row. The height of the i-th building is hi​. You have ৳k. It is the amoun...
I Scream, You Scream!
Meem loves ice cream cones. So much so that she created an ice cream stand to share the joy of ice c...
Master Plan
Gakra Miah is a Wollywood movie lover. He watches movies almost everyday. He has watched so many mov...
Poltu and Interesting Number
Poltu Loves interesting number. So he wants to find this type of number. The definition of an intere...
Most Difficult Problem Ever
You are given a function like below: long long F(int A, int B, int C, long long x) { long long res =...
Largest Prime
A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe...
Lucky Shirt
Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac...
M-Sequence
A sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of...
Spot It!
Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t...
The Story of Stringland
The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ...
The Multiplayer Action Game
Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ...
An Obvious Interactive Problem
I pick a number. You guess it. You can guess at most 25 times. For every guess you make, I will tell...
Balanced Relief
Thanos just finished his relief work. We all know that Thanos loves balanced things. So he finds som...
N Cities
In a country there are N cities numbered from 1 to N. To Travel along the cities there are total N b...
XOR Partition
Neo has a hidden array A of n integers where 0 ≤ Ai ≤ 109 is satisfied for each i from 1 to n . You ...
Be Like Hasib
Hasib, the famous programmer, uses a little game when he teaches Binary Search to his students. He r...
Jenga Tower
Maybe you all are familiar with Jenga Game. "Jenga is played with 54 wooden blocks. Each block is th...
Mind Flayer Has Attacked Again!
Mind flayer, the shadow monster has attacked the town of Hawkins again. This time, the mind flayer h...
Kitorp and His Love
Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte...
Sofdor Ali and Attack Optimization
Tuki and Jha is in the middle of an interplanetary war and their base is under drone attack! They ar...
Easy Sequence 1
Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit...
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