Trina Loves Mangoes Trina loves mangoes. And she is a valuable member of the famous Mango Eaters Community. This communi... |
Help Dr. Wu Dr. Wu is going to organize a competition. He has decided to judge the participants using an automat... |
Lucky Number Seven People often consider the number 7 as lucky. “But why?” - you might ask. Well, consider the fact tha... |
Matrix Resurrection We have a two-dimensional matrix consisting of N rows and M columns. The rows are numbered from 1 to... |
XOR-Gun YouKn0wWho has an integer sequence a1,a2,…,an. He will perform the following operation until the ... |
Give Me My Vector I am in a hurry. I have n 2D vectors. And I have created all possible subsets of these n vectors. Fo... |
Odd Query A subsequence is a sequence that can be derived from the given sequence by deleting zero or more ele... |
Once Upon a Time in Dhaka Dhaka is one of the mega cities of Bangladesh. At different times, Dhaka was entitled differently by... |
Old Wives' Game Kadambari wants to test the brains of the new bride Mrinalini. So she proposed the infamous Old Wive... |
Bi-Element Subsequence You are participating in a game show. In the final round, the host pulls up a large sequence of posi... |
Ator Ali's Income Ator Ali loves to make money. He does not care whether his source of income is good or evil. As his ... |
Car Selection Alice and Bob are two friends. They want to buy two cars, one for Alice and one for Bob. That's why ... |
The Feast Nafia and Shishir like to feed pets. Today, Nafia has m chocolates and Shishir has m cakes for some ... |
Water Dhoni has 3 types of water bottles. He has exactly a bottles of volume 0.5 liters, b bottles of volu... |
Yet Another Hello World The greatest company, Pied Piper, is developing encryption systems. The company has already built Md... |
Collectors Problem The Bat club controls Gotham City. They decided to bring equality to the city (Of course, with some ... |
Who Doesn't Love Shorter Strings? I hope you are not someone who hates longer strings, or fears longer strings like me. Strings can be... |
GoG Alice and Bob are playing GoG. GoG is a two-player board game. It consists of a grid with n rows and... |
And... Yet Another AND Problem YouKn0wWho has an integer n. He wants to find an integer sequence a of size exactly 2n such that 0≤a... |
GPU-Business You are a businessman who is fond of Vinia GPU. You buy Vinia GPUs from Byteland and sell them to Bi... |
Cheap Tourist The country of Byteland is divided into N provinces numbered from 1 to N. The provinces are connecte... |
Crossword Puzzle II A crossword puzzle consists of an MxN grid with M rows and N columns. Initially, some of the squares... |
Sum Game Rakib loves to play with words and numbers. Currently He invented a game where he wrote down some wo... |
DVD Rental Store You are the owner of a DVD rental store. There are N customers who want to rent a DVD of ‘The Matrix... |
Golden Cycle Mr. Xu is a student of CSE who is very curious in graph theory. In past years he solved different ty... |