Void main with out return

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

1B. Spreadsheets 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 tha...