Black or White Imagine an infinite chess board. The cell on the bottom-left most corner is labelled (0,0). The cell... |
Why Don't You Guys Believe Him? My friend, Qbaidul recently claimed again that he is stronger than a Yeti. But this time no one beli... |
I Love 0 Since childhood Abir loved to play with numbers, one day he was counting numbers from 1 to 100 and h... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
The Wonder Equation 2 Today we will tell you the story of a Prince, Charles, Prince of the Herroku island. He was trained ... |
Window Seats on a Bus Karim is traveling by bus. He has the window seat. However, he has to share the window with the pass... |
Flash in Trouble! There is no doubt that Flash is the “Fastest Man Alive”. But now flash is facing a problem for the o... |
BigNumSum You will be given two numbers of 40 digits each. You will have to print the summation of these two n... |
The Haunted House One night, a group of friends decided to take a stroll through the forest. Suddenly they realized th... |
Absolute U Do you know about absolute value function? In mathematics, the absolute value of a real number u, de... |
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... |
Kinderbijslag Kinderbijslag (children's allowance) is a social security payment which is distributed to the parent... |
GCD and LCM You will be given two integers A, B. If A × B (product of A and B) is equal to LCM(A, B) then you ha... |
Event Timing Bob is making a new application for Android phones. Front-end of his app has a button like this: Whe... |
Weather Report Santu is a newcomer in Rangpur. He is having trouble adjusting with the strange weather of Rangpur. ... |
Meena O Rajur Boring Class One day, the teacher in Meena and Raju's school was teaching the students about Fibonacci numbers. T... |
Poltu and Odd Number Today is Poltu’ first C programming class. And, he needs your help with a programming task. Given tw... |
Roll the Dice You have got a 6 sided dice. In a single roll, it may show any integers from 1 to 6. You are going t... |
Magic Moments You are going to a village by bus. You need k hours to do an important task while your bus journey w... |
Life of Phi The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ... |
45th ICPC Unsolved Problem! ICPC is the oldest, largest, and most prestigious programming contest in the world. Each year, the I... |
Irregular Is Tough, Regular Is Easy! Dr. Bari is working on some chemical formation. He believes that chemicals and shapes that are regul... |
In Search of a Friend Rafi lives in a 2D space. He wants to participate in the “Take-off Programming Contest Spring 2023” ... |
Colorful Friendship N friends are playing a game. N−1 of them have seated circling one person. So, there are N−1 adjacen... |
Corona Virus Attacked Kittuk A large number of people are being infected with the Corona virus in Kittuk country. In that situati... |