Is This a Give-Away?
Once there lived an ancient mage named Farabi. He could always give perfect weather forecast. He nev...
Delete the Array
There is an array of size n. You will be given an integer x. In each move you have to subtract x or ...
Dream of Twilight
ACM ICPC is one of the most prestigious competitions which is held every year all over the world. Th...
SUM Equals LCM
Given N, print a sequence of N positive integers A1​,A2​,…,AN​ that satisfy the following conditions...
Sofdar Ali's Next Day
Sofdor Ali goes to Karwan Bazar every Thursday to eat Jilapi! But he often forgets what day is Thurs...
Sweety Miya The Saver
The universe is at war again because of the Alien oppressive ruler Hitla Nagasaki. Hitla is so bruta...
Kingdom of Crisis Continues
The economic crisis continues in our beloved kingdom. The king has asked the data scientists to coll...
Oh No! Classes!
You will be given three pairs of integers, which denotes the starting and ending time in seconds of ...
Mad Engineer Aksir
Can you imagine? Mad Engineer Aksir finally got the job. His job is to set up toggle switch for a se...
LU_CONTESTANTS
Everyone knows about the popular coding website " codeforces.com ". It is a rating based programming...
Let's See!
There is a math wizard in the University of Mathcraft. In the inter-university problem-solving conte...
Penguins of Madagascar
One day the penguins of Madagascar found a string S... Wait... Wait. Actually the setter of the prob...
Love Letters!
Lately Fahim is getting a lot of love letters. A LOT of love letters. Since he is confused about whi...
Funmondi Contest!
There is a contest being held on Funmondi named ‘Funmondi Inter School Programming Contest’. You are...
Prime Team
There are n players standing in a line. Each of the players is assigned a unique jersey number. You ...
CGPA, the Golden Egg!
Jenith is a student of CSE of Metropolitan University (MU). Recently her fifth term’s result has bee...
National Flag
Today is the 16th December, a red letter day of our national history. The whole country equipped wit...
First Snow
One day Tomato woke up late in the morning and realized that she had a long list of todos. Frantical...
Make It Big!
You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...
The Depressed Guy
There is a guy named "Lucky" who is depressed now. His friend Jack knows why he is depressed. He has...
Only One’s
Samy is very good at math. He is so intelligent that he can multiply big numbers very fast. One day ...
Burrows and Scofield
Michael Scofield and Lincoln Burrows are working on a secret mission. Michael is needed to give a se...
Heavy Alphabet
Lily wants to build a beautiful string. She has been adding alphabets together to make this string. ...
Word Count
Counting the frequencies of words are a basic and important task in natural language processing. In ...
Crossword Puzzles
A crossword puzzle is usually a grid of RxC cells. Initially, each cell is either empty or blocked. ...
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