ICPC Is Coming in Hot!
Tanmoy is an ACM ICPC contestant. During practice he came across a problem named ‘OWLLEN’. He has ha...
Alayna and Vowels
Alayna loves playing. Every night before going to sleep, she plays different games with Baba. Now Al...
Caesar Cipher
Byang wants to write a secret message to his friend. He has recently discovered Caesar Cipher. Caesa...
Grid'y Rotations
Consider an M×N grid of numbers and then a series of (r,c) pairs. Each (r,c) pair corresponds to a p...
ASCII Progress Bar
In this problem, you need to write a code that prints an ASCII progress bar. In each test case, you ...
Cash Change
You have an unlimited number of cash notes of the following denominations: 1, 5, 10, 50, 100, 500. G...
Pascal's Triangle
Given an integer N, print the sum of the Nth row of the Pascal's triangle. In mathematics, Pascal's ...
Neat Brackets
Given a sequence of opening and closing parentheses ("(" and ")") you will have to determine if it i...
Remember-Remainder
Zarin is a sadist. She loves to give problems to her close people. Today she gives you an array cons...
Arya’s Counting
Little Arya has learnt to count the highest and the lowest number recently. She can easily find out ...
Tidy Bits
Read an integer variable, and determine the smallest positive integer that has the same number of 1s...
I Did Not Do the Assignment
Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants...
Sofdor Ali's Magical Blackboard!
Sofdor Ali found interest in mathematics very early in his life. And now, he wants to spread this in...
The Boat Filled With Love
You know a large part of our country is under water. The flood affected those areas immensely. Affec...
Byang's Assembly
Byang doesn't need your help with his projects... Except with this project that his teacher wants hi...
Mines
The game of mines is a tricky one. You start with a grid and you click your way through the cells to...
Alayna's Adventure Journey
Alayna recently went on her first adventure journey to Dumbulla Safari Park. She enjoyed the bumpy r...
Matching Brackets
You will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ...
Arithmetic Sequence (Easy)
Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar...
Little Subarray Sum
Given an array of N numbers and two indices, determine the sum of the numbers in the array between (...
#Hashtag
Giving Hashtag in Social Network is very popular now a day. But Poltu is very new in Social Network....
The Titan
The Titan, a giant ship started its journey on the dark sea. It was going to the North America. On t...
Alice and the Chessboard
It's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game called Ch...
A Feast for the Fans
Game of Thrones is an American fantasy drama television series created by David Benioff and D. B. We...
Life of Decimals
Given any circle, if you divide the circumference of that circle with its diameter, you would always...
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