riemann_的博客

一、ProblemThe king is left alone on the chessboard. In spite of this loneliness, he doesn’t lose heart, because he has business of national importance. For example, he has to pay an official visit to ...

一、ProblemThe Olympic Games in Bercouver are in full swing now. Here everyone has their own objectives: sportsmen compete for medals, and sport commentators compete for more convenient positions to gi...

一、ProblemThere is a square matrix n × n, consisting of non-negative integer numbers. You should find such a way on it thatstarts in the upper left cell of the matrix;each following cell is to the ...

一、ProblemThe winner of the card game popular in Berland “Berlogging” is determined according to the following rules. If at the end of the game there is only one player with the maximum number of poin...

一、ProblemNowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different.In Ancient Berland arenas in circuses were shaped as a regular (equiangula...

一、题目In the popular spreadsheets systems (for example, in Excel) the following numeration of columns is used. The first column has number A, the second — number B, etc. till column 26 that is marked b...

一、题目Theatre Square in the capital city of Berland has a rectangular shape with the size n × m meters. On the occasion of the city’s anniversary, a decision was taken to pave the Square with square gr...