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 ... |
Gutibaji on Chessboard Let there be a chessboard of size N×M, and only one bishop in a cell (x,y). How many cells can the b... |
Power of Army Recently Chikanu declared war against Shukanu. To win the battle against Shukanu he wants to form an... |
Counting Is Difficult East West University Computer Programming Club is organizing a programming contest today. One of you... |
Game, Game Everywhere Binary and Ternary are playing a game. In this game, they initially choose an array with N elements.... |
Dengue Once upon a time there was a king. He had a huge kingdom and the king was very kind. All of his subj... |
Bad Boy Ekhlas Ekhlas is a bad boy, not the type of bad that you generally admire. When he was little, his primary ... |
Scholarship Your school is going to start a new scholarship program. To apply for this scholarship you have to w... |
Power and Mod Exponentiation is a mathematical operation, written as b n , involving two numbers, the base b and t... |
Arya and OR Little Arya loves to play with numbers. She likes to play in different ways with them. One day she s... |
Scary Big Chessboard Our friend Alice got stuck in a big chessboard. The chessboard has N rows and N columns. Some cells ... |
Spot It! Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t... |
Kinderbijslag Kinderbijslag (children's allowance) is a social security payment which is distributed to the parent... |
Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |
Sofdor Ali and Histogram The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ... |
Playing With Your Mind Given a non-negative integers N. You have to find an integer P such that, the following conditions s... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Red and Green Suppose, there is an array of N integers. Each index of the array is either red or green. The first ... |
Boltu vs Balti Boltu and Balti are two friends. Boltu is a great programmer whereas Balti is a newbie programmer. B... |
Arithmetic Sequence (Easy) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |
How Many Ways? Regular problem solvers starts their journey by solving ad hoc and number theory. After getting the ... |
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 ... |
Recursive World! See following the two recursive functions: C(0) = 0 C(1) = 5 C(K) = C(K-1) + 4 F(0) = 1 F(1) = 2 F(N... |
Arithmetic Sequence (Hard) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |
Circle and Square Meena and Raju are learning about different shapes. Meena's favourite shape is Circle while Raju lik... |