Big Factorials
Given an integer N, print the trailing 4 digits of N! (N factorial). N!=N×(N−1)×(N−2)×...×1 Here are...
BigNumSum
You will be given two numbers of 40 digits each. You will have to print the summation of these two n...
Birthday Gift for SJ
Today is your best friend SJ’s birthday. You want to buy a birthday present for her. You want to buy...
Birthday Surprise
Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a...
Black or White
Imagine an infinite chess board. The cell on the bottom-left most corner is labelled (0,0). The cell...
Blanket
You have a suitcase with length X, width Y and height Z. You also have a very comfortable blanket. I...
Boltu vs Balti
Boltu and Balti are two friends. Boltu is a great programmer whereas Balti is a newbie programmer. B...
Boys in the Assembly
N boys are standing in the assembly. There is a single line only. Boys are denoted by their roll num...
Building Boundaries
Maarja wants to buy a rectangular piece of land and then construct three buildings on that land. The...
Building the Number
This is a straight-froward problem. You will be given N. You have to find the expected value of buil...
Byang's Additions
Byang is learning how to add numbers. However, he gets confused whenever there is a carry. To help B...
Calculate the Sum If You Can
This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+... Given n, you have ...
Calendar of Planet Biku
Mr. Hikiko is the emperor of a planet called Biku. He got a gift from planet earth which can count t...
Challenge From Mr. Professor
One Day Mr. Professor was taking His schedule class on Discrete Mathematics. In this lecture, He was...
Challenging Lover
Greetings to all of you. You must have heard about our star programmer Rafat bhai. One day he went o...
Chance of Passing the Quiz
Rocky is starting his online quizzes and he has been provided with some passing criteria. The rule o...
Chief Thief
A group of thieves steal only money. Every morning they deposit the money to their leader. The leade...
Choco Moco
Aminul & Imran are good friends. Not only friends but also teammates. Their team NSU MeowMax qualifi...
Choice Is Yours
For not participating on contests regularly, Hasnaine (read Has9) has decided to kill Santo. But nob...
Chowdhury Saheb & the Numbers
You like short description of problems? Me too! Let's go to an easy problem. You are given an array ...
Christmas Tree
Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia...
Circle and Square
Meena and Raju are learning about different shapes. Meena's favourite shape is Circle while Raju lik...
Circle of Death
Abir is a school going boy, who loves math. Also, he loves to play with stones. Recently he invented...
Clock Math
Given a time (hours as H and minutes as M), determine the smaller angle between the two hands of a c...
Cocoa Coalition
Alice and Bob decide to share a chocolate bar, which is an $n$ by $m$ rectangular grid of chocolate ...
Math Moderate 32/43/240
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