A Big Confusion
Facebook has gone through many changes. Nowadays, Facebook has a choice of five reactions to give on...
Very Easy 136/152/283
Lowercase or Uppercase
You are given a string S consisting of lowercase English letters (a, b, c ….. z), uppercase English ...
Eet Izz Phet!
A long long time ago, I left the country that was my home and with my head full of brains and shoes ...
Blanket
You have a suitcase with length X, width Y and height Z. You also have a very comfortable blanket. I...
Gauss - The Great Mathematician
Carl Friedrich Gauss was a great mathematician. When he was a child, his teacher told him to sum up ...
Sofdor Ali and Histogram
The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ...
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...
Byang's Assembly
Byang doesn't need your help with his projects... Except with this project that his teacher wants hi...
The Strange Shopkeeper and His First Loss
Once upon a time there was a strange shopkeeper. He used to buy things and sell them with the same a...
AI Will Makes Our Life Easier
Once upon a time, in a world not so different from our own, there was a brilliant computer scientist...
Weird Subtraction
You are given two integers n and m. You have to subtract m from n until n becomes less than or equal...
The Haunted House
One night, a group of friends decided to take a stroll through the forest. Suddenly they realized th...
B-Number
Bruce Lee has recently become the sensei (Master) of the very institute which taught him everything....
Very Easy 280/280/329
Think Inside the Box
Babu Bhai is a student of AUST. He has some favorite numbers. His favorite numbers are those number ...
Equation Equals Hazards
You are given the equation, GCD(A,M)=1. You have to determine whether there exists at least one inte...
Ice-cream of Montu Mia
Montu Mia is a student of “Omok School”. He likes to eat an icecream everyday. But he also likes to ...
Greedy Grid Game
“Uban game world” is an indoor gaming zone. It offers 5 game segments for only one ticket. Today, Al...
Once Upon a Time in Dhaka
Dhaka is one of the mega cities of Bangladesh. At different times, Dhaka was entitled differently by...
Armed Bandit (Easy)
You are in a casino, and you are anxious to play on the new one-armed bandit – a slot machine they j...
Very Easy 81/90/148
String in a Grid 2
Prof. Bari loves to play with string. He is also very skilled in drawing. One day he was drawing a g...
Make It Big!
You are given a number N (10 ≤ N ≤ 2×109). You have to perform exactly two swap operation. You can c...
Lets Make a Plan
It’s not easy to hang out with your friends during weekends when you have a full-time job and bills ...
Very Easy 269/272/360
PIZZA Problem
Faiza, Afia and Tashfiah, are close friends. They got chance in BRAC University CSE Department toget...
Very Easy 148/166/286
Jigsaw Puzzle
The class teacher of class 7 gave all the students an assignment. The assignment was to solve a “Jig...
Birthday Surprise
Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a...
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