岁月流风、、

Vasya the Great Magician and Conjurer loves all kinds of miracles and wizardry. In one wave of a magic wand he can turn an object into something else. But, as you all know, there is no better magic in

You've got two rectangular tables with sizes na × ma and nb × mb cells. The tables consist of zeroes and ones. We will consider the rows and columns of both tables indexed starting from 1. Then we w

A piece of paper contains an array of n integers a1, a2, ..., an. Your task is to find a number that occurs the maximum number of times in this array.However, before looking for such number, you