Startup Funding
An e-commerce startup pitches to the investors to get funding. They have been functional for n weeks now and also have a website! For each week they […]
Month: May 2020
Yash And Trees
Yash loves playing with trees and gets especially excited when they have something to do with prime numbers. On his 20th birthday he was granted […]
Fibonacci-ish II
Yash is finally tired of computing the length of the longest Fibonacci-ish sequence. He now plays around with more complex things such as Fibonacci-ish potentials. […]
XOR Equation
Two positive integers a and b have a sum of s and a bitwise XOR of x. How many possible values are there for the ordered pair (a, b)? Input The first line of the input […]
Factory Repairs
A factory produces thimbles in bulk. Typically, it can produce up to a thimbles a day. However, some of the machinery is defective, so it can currently […]
Package Delivery
Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, […]
Preorder Test
For his computer science class, Jacob builds a model tree with sticks and balls containing n nodes in the shape of a tree. Jacob has spent a i minutes building […]
Table Compression
Little Petya is now fond of data compression algorithms. He has already studied gz, bz, zip algorithms and many others. Inspired by the new knowledge, Petya is now developing […]
Image Preview
Vasya’s telephone contains n photos. Photo number 1 is currently opened on the phone. It is allowed to move left and right to the adjacent photo by […]
Clockwork Bomb
My name is James diGriz, I’m the most clever robber and treasure hunter in the whole galaxy. There are books written about my adventures and […]
Voting for Photos
After celebrating the midcourse the students of one of the faculties of the Berland State University decided to conduct a vote for the best photo. […]
Chat Order
Polycarp is a big lover of killing time in social networks. A page with a chatlist in his favourite network is made so that when […]
Promocodes with Mistakes
During a New Year special offer the “Sudislavl Bars” offered n promo codes. Each promo code consists of exactly six digits and gives right to one free […]
Running with Obstacles
A sportsman starts from point x start = 0 and runs to point with coordinate x finish = m (on a straight line). Also, the sportsman can jump — to jump, he should first take […]
Parliament of Berland
There are n parliamentarians in Berland. They are numbered with integers from 1 to n. It happened that all parliamentarians with odd indices are Democrats and all parliamentarians with even […]
Processing Queries
In this problem you have to simulate the workflow of one-thread server. There are n queries to process, the i-th will be received at moment t i and needs to be […]
Hostname Aliases
There are some websites that are accessible through several different addresses. For example, for a long time MaiXuanViet was accessible with two hostnames maixuanviet.com and maixuanviet.vn. You are […]
