Herumw's Blog

摘要： You got a box with a combination lock. The lock has a display showing n digits. There are two buttons on the box, each button changes ... 阅读全文

摘要： During the lunch break all n Berland State University students lined up in the food court. However, it turned out that the food court,... 阅读全文

摘要： Crazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix + biy + ci = 0, where ai and ... 阅读全文

摘要： New Year is coming, and Jaehyun decided to read many books during 2015, unlike this year. He has n books numbered by integers from 1 t... 阅读全文

摘要： Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to t... 阅读全文

摘要： Fox Ciel is playing a mobile puzzle game called "Two Dots". The basic levels are played on a board of size n × m cells, like this:Each... 阅读全文

摘要： Someday, Drazil wanted to go on date with Varda. Drazil and Varda live on Cartesian plane. Drazil's home is located in point (0, 0) an... 阅读全文

摘要： Vitaly is a diligent student who never missed a lesson in his five years of studying in the university. He always does his homework on... 阅读全文

摘要： Anya has bought a new smartphone that uses Berdroid operating system. The smartphone menu has exactly n applications, each application... 阅读全文

摘要： Om Nom is the main character of a game "Cut the Rope". He is a bright little monster who likes visiting friends living at the other si... 阅读全文